mercurial-scm/hg: rust/hg-core/src/dirstate

annotate rust/hg-core/src/dirstate_tree/status.rs @ 49145:dd2503a63d33 stable

rust-dirstate-v2: save proper data size if no new data on append This is currently only triggered with the tests ran with `--rhg` without `--rust`, by "luck", there probably always was something to write, like an mtime when also using Rust extensions alongside `rhg`. Differential Revision: https://phab.mercurial-scm.org/D12580

author	Rapha?l Gom?s <rgomes@octobus.net>
date	Thu, 21 Apr 2022 14:47:13 +0200
parents	dd6b67d5c256
children	f3e8b0b0a8c2 6cd249556e20

rev	line source
48193 320de901896a dirstate-v2: Truncate directory mtimes to 31 bits of seconds Simon Sapin <simon.sapin@octobus.net> parents: 48192 diff changeset	1 use crate::dirstate::entry::TruncatedTimestamp;
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	2 use crate::dirstate::status::IgnoreFnType;
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	3 use crate::dirstate::status::StatusPath;
47347 73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	4 use crate::dirstate_tree::dirstate_map::BorrowedPath;
47333 69530e5d4fe5 dirstate-tree: Add `NodeRef` and `ChildNodesRef` enums Simon Sapin <simon.sapin@octobus.net> parents: 47331 diff changeset	5 use crate::dirstate_tree::dirstate_map::ChildNodesRef;
47112 d5956136d19d dirstate-tree: Give to `status()` mutable access to the `DirstateMap` Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	6 use crate::dirstate_tree::dirstate_map::DirstateMap;
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	7 use crate::dirstate_tree::dirstate_map::NodeData;
47333 69530e5d4fe5 dirstate-tree: Add `NodeRef` and `ChildNodesRef` enums Simon Sapin <simon.sapin@octobus.net> parents: 47331 diff changeset	8 use crate::dirstate_tree::dirstate_map::NodeRef;
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	9 use crate::dirstate_tree::on_disk::DirstateV2ParseError;
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	10 use crate::matchers::get_ignore_function;
47112 d5956136d19d dirstate-tree: Give to `status()` mutable access to the `DirstateMap` Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	11 use crate::matchers::Matcher;
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	12 use crate::utils::files::get_bytes_from_os_string;
47338 f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	13 use crate::utils::files::get_path_from_bytes;
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	14 use crate::utils::hg_path::HgPath;
47115 1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	15 use crate::BadMatch;
47112 d5956136d19d dirstate-tree: Give to `status()` mutable access to the `DirstateMap` Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	16 use crate::DirstateStatus;
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	17 use crate::EntryState;
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	18 use crate::HgPathBuf;
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	19 use crate::HgPathCow;
47112 d5956136d19d dirstate-tree: Give to `status()` mutable access to the `DirstateMap` Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	20 use crate::PatternFileWarning;
d5956136d19d dirstate-tree: Give to `status()` mutable access to the `DirstateMap` Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	21 use crate::StatusError;
d5956136d19d dirstate-tree: Give to `status()` mutable access to the `DirstateMap` Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	22 use crate::StatusOptions;
47118 c92e63762573 dirstate-tree: Add #[timed] attribute to `status` and `DirstateMap::read` Simon Sapin <simon.sapin@octobus.net> parents: 47117 diff changeset	23 use micro_timer::timed;
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	24 use rayon::prelude::*;
47409 0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	25 use sha1::{Digest, Sha1};
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	26 use std::borrow::Cow;
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	27 use std::io;
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	28 use std::path::Path;
47112 d5956136d19d dirstate-tree: Give to `status()` mutable access to the `DirstateMap` Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	29 use std::path::PathBuf;
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	30 use std::sync::Mutex;
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	31 use std::time::SystemTime;
47112 d5956136d19d dirstate-tree: Give to `status()` mutable access to the `DirstateMap` Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	32
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	33 /// Returns the status of the working directory compared to its parent
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	34 /// changeset.
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	35 ///
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	36 /// This algorithm is based on traversing the filesystem tree (`fs` in function
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	37 /// and variable names) and dirstate tree at the same time. The core of this
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	38 /// traversal is the recursive `traverse_fs_directory_and_dirstate` function
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	39 /// and its use of `itertools::merge_join_by`. When reaching a path that only
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	40 /// exists in one of the two trees, depending on information requested by
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	41 /// `options` we may need to traverse the remaining subtree.
47118 c92e63762573 dirstate-tree: Add #[timed] attribute to `status` and `DirstateMap::read` Simon Sapin <simon.sapin@octobus.net> parents: 47117 diff changeset	42 #[timed]
49000 dd6b67d5c256 rust: fix unsound `OwningDirstateMap` Rapha?l Gom?s <rgomes@octobus.net> parents: 48973 diff changeset	43 pub fn status<'dirstate>(
dd6b67d5c256 rust: fix unsound `OwningDirstateMap` Rapha?l Gom?s <rgomes@octobus.net> parents: 48973 diff changeset	44 dmap: &'dirstate mut DirstateMap,
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	45 matcher: &(dyn Matcher + Sync),
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	46 root_dir: PathBuf,
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	47 ignore_files: Vec<PathBuf>,
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	48 options: StatusOptions,
49000 dd6b67d5c256 rust: fix unsound `OwningDirstateMap` Rapha?l Gom?s <rgomes@octobus.net> parents: 48973 diff changeset	49 ) -> Result<(DirstateStatus<'dirstate>, Vec<PatternFileWarning>), StatusError>
dd6b67d5c256 rust: fix unsound `OwningDirstateMap` Rapha?l Gom?s <rgomes@octobus.net> parents: 48973 diff changeset	50 {
48973 e2f8ed37201c rust-status: cap the number of concurrent threads to 16 Rapha?l Gom?s <rgomes@octobus.net> parents: 48794 diff changeset	51 // Force the global rayon threadpool to not exceed 16 concurrent threads.
e2f8ed37201c rust-status: cap the number of concurrent threads to 16 Rapha?l Gom?s <rgomes@octobus.net> parents: 48794 diff changeset	52 // This is a stop-gap measure until we figure out why using more than 16
e2f8ed37201c rust-status: cap the number of concurrent threads to 16 Rapha?l Gom?s <rgomes@octobus.net> parents: 48794 diff changeset	53 // threads makes `status` slower for each additional thread.
e2f8ed37201c rust-status: cap the number of concurrent threads to 16 Rapha?l Gom?s <rgomes@octobus.net> parents: 48794 diff changeset	54 // We use `ok()` in case the global threadpool has already been
e2f8ed37201c rust-status: cap the number of concurrent threads to 16 Rapha?l Gom?s <rgomes@octobus.net> parents: 48794 diff changeset	55 // instantiated in `rhg` or some other caller.
e2f8ed37201c rust-status: cap the number of concurrent threads to 16 Rapha?l Gom?s <rgomes@octobus.net> parents: 48794 diff changeset	56 // TODO find the underlying cause and fix it, then remove this.
e2f8ed37201c rust-status: cap the number of concurrent threads to 16 Rapha?l Gom?s <rgomes@octobus.net> parents: 48794 diff changeset	57 rayon::ThreadPoolBuilder::new()
e2f8ed37201c rust-status: cap the number of concurrent threads to 16 Rapha?l Gom?s <rgomes@octobus.net> parents: 48794 diff changeset	58 .num_threads(16)
e2f8ed37201c rust-status: cap the number of concurrent threads to 16 Rapha?l Gom?s <rgomes@octobus.net> parents: 48794 diff changeset	59 .build_global()
e2f8ed37201c rust-status: cap the number of concurrent threads to 16 Rapha?l Gom?s <rgomes@octobus.net> parents: 48794 diff changeset	60 .ok();
e2f8ed37201c rust-status: cap the number of concurrent threads to 16 Rapha?l Gom?s <rgomes@octobus.net> parents: 48794 diff changeset	61
47409 0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	62 let (ignore_fn, warnings, patterns_changed): (IgnoreFnType, _, _) =
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	63 if options.list_ignored \|\| options.list_unknown {
47409 0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	64 let mut hasher = Sha1::new();
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	65 let (ignore_fn, warnings) = get_ignore_function(
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	66 ignore_files,
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	67 &root_dir,
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	68 &mut \|pattern_bytes\| hasher.update(pattern_bytes),
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	69 )?;
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	70 let new_hash = *hasher.finalize().as_ref();
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	71 let changed = new_hash != dmap.ignore_patterns_hash;
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	72 dmap.ignore_patterns_hash = new_hash;
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	73 (ignore_fn, warnings, Some(changed))
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	74 } else {
47409 0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	75 (Box::new(\|&_\| true), vec![], None)
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	76 };
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	77
48501 4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	78 let filesystem_time_at_status_start =
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	79 filesystem_now(&root_dir).ok().map(TruncatedTimestamp::from);
48745 94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	80
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	81 // If the repository is under the current directory, prefer using a
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	82 // relative path, so the kernel needs to traverse fewer directory in every
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	83 // call to `read_dir` or `symlink_metadata`.
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	84 // This is effective in the common case where the current directory is the
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	85 // repository root.
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	86
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	87 // TODO: Better yet would be to use libc functions like `openat` and
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	88 // `fstatat` to remove such repeated traversals entirely, but the standard
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	89 // library does not provide APIs based on those.
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	90 // Maybe with a crate like https://crates.io/crates/openat instead?
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	91 let root_dir = if let Some(relative) = std::env::current_dir()
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	92 .ok()
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	93 .and_then(\|cwd\| root_dir.strip_prefix(cwd).ok())
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	94 {
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	95 relative
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	96 } else {
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	97 &root_dir
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	98 };
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	99
48422 000130cfafb6 rhg: Update the dirstate on disk after status Simon Sapin <simon.sapin@octobus.net> parents: 48391 diff changeset	100 let outcome = DirstateStatus {
000130cfafb6 rhg: Update the dirstate on disk after status Simon Sapin <simon.sapin@octobus.net> parents: 48391 diff changeset	101 filesystem_time_at_status_start,
000130cfafb6 rhg: Update the dirstate on disk after status Simon Sapin <simon.sapin@octobus.net> parents: 48391 diff changeset	102 ..Default::default()
000130cfafb6 rhg: Update the dirstate on disk after status Simon Sapin <simon.sapin@octobus.net> parents: 48391 diff changeset	103 };
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	104 let common = StatusCommon {
47336 8d0260d0dbc9 dirstate-v2: Make the dirstate bytes buffer available in more places Simon Sapin <simon.sapin@octobus.net> parents: 47335 diff changeset	105 dmap,
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	106 options,
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	107 matcher,
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	108 ignore_fn,
48422 000130cfafb6 rhg: Update the dirstate on disk after status Simon Sapin <simon.sapin@octobus.net> parents: 48391 diff changeset	109 outcome: Mutex::new(outcome),
47409 0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	110 ignore_patterns_have_changed: patterns_changed,
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	111 new_cachable_directories: Default::default(),
47474 c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	112 outated_cached_directories: Default::default(),
48422 000130cfafb6 rhg: Update the dirstate on disk after status Simon Sapin <simon.sapin@octobus.net> parents: 48391 diff changeset	113 filesystem_time_at_status_start,
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	114 };
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	115 let is_at_repo_root = true;
47347 73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	116 let hg_path = &BorrowedPath::OnDisk(HgPath::new(""));
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	117 let has_ignored_ancestor = false;
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	118 let root_cached_mtime = None;
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	119 let root_dir_metadata = None;
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	120 // If the path we have for the repository root is a symlink, do follow it.
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	121 // (As opposed to symlinks within the working directory which are not
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	122 // followed, using `std::fs::symlink_metadata`.)
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	123 common.traverse_fs_directory_and_dirstate(
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	124 has_ignored_ancestor,
47333 69530e5d4fe5 dirstate-tree: Add `NodeRef` and `ChildNodesRef` enums Simon Sapin <simon.sapin@octobus.net> parents: 47331 diff changeset	125 dmap.root.as_ref(),
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	126 hg_path,
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	127 &root_dir,
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	128 root_dir_metadata,
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	129 root_cached_mtime,
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	130 is_at_repo_root,
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	131 )?;
47350 04d1f17f49e7 dirstate-v2: Write .hg/dirstate back to disk on directory cache changes Simon Sapin <simon.sapin@octobus.net> parents: 47349 diff changeset	132 let mut outcome = common.outcome.into_inner().unwrap();
47409 0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	133 let new_cachable = common.new_cachable_directories.into_inner().unwrap();
47474 c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	134 let outdated = common.outated_cached_directories.into_inner().unwrap();
47409 0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	135
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	136 outcome.dirty = common.ignore_patterns_have_changed == Some(true)
47474 c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	137 \|\| !outdated.is_empty()
47409 0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	138 \|\| !new_cachable.is_empty();
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	139
47474 c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	140 // Remove outdated mtimes before adding new mtimes, in case a given
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	141 // directory is both
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	142 for path in &outdated {
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	143 let node = dmap.get_or_insert(path)?;
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	144 if let NodeData::CachedDirectory { .. } = &node.data {
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	145 node.data = NodeData::None
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	146 }
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	147 }
47409 0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	148 for (path, mtime) in &new_cachable {
47474 c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	149 let node = dmap.get_or_insert(path)?;
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	150 match &node.data {
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	151 NodeData::Entry(_) => {} // Don’t overwrite an entry
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	152 NodeData::CachedDirectory { .. } \| NodeData::None => {
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	153 node.data = NodeData::CachedDirectory { mtime: *mtime }
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	154 }
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	155 }
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	156 }
47409 0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	157
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	158 Ok((outcome, warnings))
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	159 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	160
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	161 /// Bag of random things needed by various parts of the algorithm. Reduces the
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	162 /// number of parameters passed to functions.
47347 73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	163 struct StatusCommon<'a, 'tree, 'on_disk: 'tree> {
47336 8d0260d0dbc9 dirstate-v2: Make the dirstate bytes buffer available in more places Simon Sapin <simon.sapin@octobus.net> parents: 47335 diff changeset	164 dmap: &'tree DirstateMap<'on_disk>,
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	165 options: StatusOptions,
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	166 matcher: &'a (dyn Matcher + Sync),
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	167 ignore_fn: IgnoreFnType<'a>,
47347 73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	168 outcome: Mutex<DirstateStatus<'on_disk>>,
48193 320de901896a dirstate-v2: Truncate directory mtimes to 31 bits of seconds Simon Sapin <simon.sapin@octobus.net> parents: 48192 diff changeset	169 new_cachable_directories:
320de901896a dirstate-v2: Truncate directory mtimes to 31 bits of seconds Simon Sapin <simon.sapin@octobus.net> parents: 48192 diff changeset	170 Mutex<Vec<(Cow<'on_disk, HgPath>, TruncatedTimestamp)>>,
47474 c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	171 outated_cached_directories: Mutex<Vec<Cow<'on_disk, HgPath>>>,
47409 0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	172
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	173 /// Whether ignore files like `.hgignore` have changed since the previous
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	174 /// time a `status()` call wrote their hash to the dirstate. `None` means
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	175 /// we don’t know as this run doesn’t list either ignored or uknown files
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	176 /// and therefore isn’t reading `.hgignore`.
0ef8231e413f dirstate-v2: Store a hash of ignore patterns (.hgignore) Simon Sapin <simon.sapin@octobus.net> parents: 47350 diff changeset	177 ignore_patterns_have_changed: Option<bool>,
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	178
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	179 /// The current time at the start of the `status()` algorithm, as measured
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	180 /// and possibly truncated by the filesystem.
48501 4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	181 filesystem_time_at_status_start: Option<TruncatedTimestamp>,
47112 d5956136d19d dirstate-tree: Give to `status()` mutable access to the `DirstateMap` Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	182 }
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	183
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	184 enum Outcome {
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	185 Modified,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	186 Added,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	187 Removed,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	188 Deleted,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	189 Clean,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	190 Ignored,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	191 Unknown,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	192 Unsure,
47112 d5956136d19d dirstate-tree: Give to `status()` mutable access to the `DirstateMap` Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	193 }
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	194
47347 73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	195 impl<'a, 'tree, 'on_disk> StatusCommon<'a, 'tree, 'on_disk> {
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	196 fn push_outcome(
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	197 &self,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	198 which: Outcome,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	199 dirstate_node: &NodeRef<'tree, 'on_disk>,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	200 ) -> Result<(), DirstateV2ParseError> {
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	201 let path = dirstate_node
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	202 .full_path_borrowed(self.dmap.on_disk)?
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	203 .detach_from_tree();
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	204 let copy_source = if self.options.list_copies {
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	205 dirstate_node
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	206 .copy_source_borrowed(self.dmap.on_disk)?
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	207 .map(\|source\| source.detach_from_tree())
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	208 } else {
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	209 None
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	210 };
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	211 self.push_outcome_common(which, path, copy_source);
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	212 Ok(())
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	213 }
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	214
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	215 fn push_outcome_without_copy_source(
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	216 &self,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	217 which: Outcome,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	218 path: &BorrowedPath<'_, 'on_disk>,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	219 ) {
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	220 self.push_outcome_common(which, path.detach_from_tree(), None)
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	221 }
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	222
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	223 fn push_outcome_common(
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	224 &self,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	225 which: Outcome,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	226 path: HgPathCow<'on_disk>,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	227 copy_source: Option<HgPathCow<'on_disk>>,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	228 ) {
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	229 let mut outcome = self.outcome.lock().unwrap();
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	230 let vec = match which {
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	231 Outcome::Modified => &mut outcome.modified,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	232 Outcome::Added => &mut outcome.added,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	233 Outcome::Removed => &mut outcome.removed,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	234 Outcome::Deleted => &mut outcome.deleted,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	235 Outcome::Clean => &mut outcome.clean,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	236 Outcome::Ignored => &mut outcome.ignored,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	237 Outcome::Unknown => &mut outcome.unknown,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	238 Outcome::Unsure => &mut outcome.unsure,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	239 };
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	240 vec.push(StatusPath { path, copy_source });
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	241 }
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	242
47115 1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	243 fn read_dir(
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	244 &self,
47115 1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	245 hg_path: &HgPath,
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	246 fs_path: &Path,
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	247 is_at_repo_root: bool,
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	248 ) -> Result<Vec<DirEntry>, ()> {
47338 f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	249 DirEntry::read_dir(fs_path, is_at_repo_root)
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	250 .map_err(\|error\| self.io_error(error, hg_path))
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	251 }
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	252
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	253 fn io_error(&self, error: std::io::Error, hg_path: &HgPath) {
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	254 let errno = error.raw_os_error().expect("expected real OS error");
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	255 self.outcome
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	256 .lock()
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	257 .unwrap()
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	258 .bad
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	259 .push((hg_path.to_owned().into(), BadMatch::OsError(errno)))
47115 1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	260 }
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	261
47474 c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	262 fn check_for_outdated_directory_cache(
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	263 &self,
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	264 dirstate_node: &NodeRef<'tree, 'on_disk>,
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	265 ) -> Result<(), DirstateV2ParseError> {
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	266 if self.ignore_patterns_have_changed == Some(true)
48193 320de901896a dirstate-v2: Truncate directory mtimes to 31 bits of seconds Simon Sapin <simon.sapin@octobus.net> parents: 48192 diff changeset	267 && dirstate_node.cached_directory_mtime()?.is_some()
47474 c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	268 {
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	269 self.outated_cached_directories.lock().unwrap().push(
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	270 dirstate_node
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	271 .full_path_borrowed(self.dmap.on_disk)?
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	272 .detach_from_tree(),
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	273 )
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	274 }
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	275 Ok(())
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	276 }
c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	277
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	278 /// If this returns true, we can get accurate results by only using
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	279 /// `symlink_metadata` for child nodes that exist in the dirstate and don’t
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	280 /// need to call `read_dir`.
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	281 fn can_skip_fs_readdir(
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	282 &self,
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	283 directory_metadata: Option<&std::fs::Metadata>,
48193 320de901896a dirstate-v2: Truncate directory mtimes to 31 bits of seconds Simon Sapin <simon.sapin@octobus.net> parents: 48192 diff changeset	284 cached_directory_mtime: Option<TruncatedTimestamp>,
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	285 ) -> bool {
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	286 if !self.options.list_unknown && !self.options.list_ignored {
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	287 // All states that we care about listing have corresponding
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	288 // dirstate entries.
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	289 // This happens for example with `hg status -mard`.
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	290 return true;
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	291 }
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	292 if !self.options.list_ignored
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	293 && self.ignore_patterns_have_changed == Some(false)
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	294 {
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	295 if let Some(cached_mtime) = cached_directory_mtime {
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	296 // The dirstate contains a cached mtime for this directory, set
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	297 // by a previous run of the `status` algorithm which found this
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	298 // directory eligible for `read_dir` caching.
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	299 if let Some(meta) = directory_metadata {
48218 15dedc0c5c35 status: Extract TruncatedTimestamp from fs::Metadata without SystemTime Simon Sapin <simon.sapin@octobus.net> parents: 48193 diff changeset	300 if cached_mtime
48257 f45d35950db6 dirstate: rename a `very_likely_equal` method to `likely_equal` Simon Sapin <simon.sapin@octobus.net> parents: 48218 diff changeset	301 .likely_equal_to_mtime_of(meta)
48218 15dedc0c5c35 status: Extract TruncatedTimestamp from fs::Metadata without SystemTime Simon Sapin <simon.sapin@octobus.net> parents: 48193 diff changeset	302 .unwrap_or(false)
15dedc0c5c35 status: Extract TruncatedTimestamp from fs::Metadata without SystemTime Simon Sapin <simon.sapin@octobus.net> parents: 48193 diff changeset	303 {
15dedc0c5c35 status: Extract TruncatedTimestamp from fs::Metadata without SystemTime Simon Sapin <simon.sapin@octobus.net> parents: 48193 diff changeset	304 // The mtime of that directory has not changed
15dedc0c5c35 status: Extract TruncatedTimestamp from fs::Metadata without SystemTime Simon Sapin <simon.sapin@octobus.net> parents: 48193 diff changeset	305 // since then, which means that the results of
15dedc0c5c35 status: Extract TruncatedTimestamp from fs::Metadata without SystemTime Simon Sapin <simon.sapin@octobus.net> parents: 48193 diff changeset	306 // `read_dir` should also be unchanged.
15dedc0c5c35 status: Extract TruncatedTimestamp from fs::Metadata without SystemTime Simon Sapin <simon.sapin@octobus.net> parents: 48193 diff changeset	307 return true;
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	308 }
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	309 }
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	310 }
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	311 }
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	312 false
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	313 }
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	314
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	315 /// Returns whether all child entries of the filesystem directory have a
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	316 /// corresponding dirstate node or are ignored.
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	317 fn traverse_fs_directory_and_dirstate(
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	318 &self,
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	319 has_ignored_ancestor: bool,
47347 73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	320 dirstate_nodes: ChildNodesRef<'tree, 'on_disk>,
73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	321 directory_hg_path: &BorrowedPath<'tree, 'on_disk>,
47115 1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	322 directory_fs_path: &Path,
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	323 directory_metadata: Option<&std::fs::Metadata>,
48193 320de901896a dirstate-v2: Truncate directory mtimes to 31 bits of seconds Simon Sapin <simon.sapin@octobus.net> parents: 48192 diff changeset	324 cached_directory_mtime: Option<TruncatedTimestamp>,
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	325 is_at_repo_root: bool,
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	326 ) -> Result<bool, DirstateV2ParseError> {
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	327 if self.can_skip_fs_readdir(directory_metadata, cached_directory_mtime)
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	328 {
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	329 dirstate_nodes
47338 f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	330 .par_iter()
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	331 .map(\|dirstate_node\| {
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	332 let fs_path = directory_fs_path.join(get_path_from_bytes(
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	333 dirstate_node.base_name(self.dmap.on_disk)?.as_bytes(),
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	334 ));
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	335 match std::fs::symlink_metadata(&fs_path) {
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	336 Ok(fs_metadata) => self.traverse_fs_and_dirstate(
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	337 &fs_path,
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	338 &fs_metadata,
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	339 dirstate_node,
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	340 has_ignored_ancestor,
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	341 ),
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	342 Err(e) if e.kind() == std::io::ErrorKind::NotFound => {
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	343 self.traverse_dirstate_only(dirstate_node)
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	344 }
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	345 Err(error) => {
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	346 let hg_path =
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	347 dirstate_node.full_path(self.dmap.on_disk)?;
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	348 Ok(self.io_error(error, hg_path))
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	349 }
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	350 }
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	351 })
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	352 .collect::<Result<_, _>>()?;
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	353
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	354 // We don’t know, so conservatively say this isn’t the case
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	355 let children_all_have_dirstate_node_or_are_ignored = false;
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	356
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	357 return Ok(children_all_have_dirstate_node_or_are_ignored);
47338 f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	358 }
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	359
47115 1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	360 let mut fs_entries = if let Ok(entries) = self.read_dir(
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	361 directory_hg_path,
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	362 directory_fs_path,
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	363 is_at_repo_root,
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	364 ) {
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	365 entries
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	366 } else {
47346 5e12b6bfdd3e dirstate-tree: Fix status algorithm with unreadable directory Simon Sapin <simon.sapin@octobus.net> parents: 47338 diff changeset	367 // Treat an unreadable directory (typically because of insufficient
5e12b6bfdd3e dirstate-tree: Fix status algorithm with unreadable directory Simon Sapin <simon.sapin@octobus.net> parents: 47338 diff changeset	368 // permissions) like an empty directory. `self.read_dir` has
5e12b6bfdd3e dirstate-tree: Fix status algorithm with unreadable directory Simon Sapin <simon.sapin@octobus.net> parents: 47338 diff changeset	369 // already called `self.io_error` so a warning will be emitted.
5e12b6bfdd3e dirstate-tree: Fix status algorithm with unreadable directory Simon Sapin <simon.sapin@octobus.net> parents: 47338 diff changeset	370 Vec::new()
47115 1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	371 };
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	372
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	373 // `merge_join_by` requires both its input iterators to be sorted:
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	374
47333 69530e5d4fe5 dirstate-tree: Add `NodeRef` and `ChildNodesRef` enums Simon Sapin <simon.sapin@octobus.net> parents: 47331 diff changeset	375 let dirstate_nodes = dirstate_nodes.sorted();
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	376 // `sort_unstable_by_key` doesn’t allow keys borrowing from the value:
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	377 // https://github.com/rust-lang/rust/issues/34162
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	378 fs_entries.sort_unstable_by(\|e1, e2\| e1.base_name.cmp(&e2.base_name));
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	379
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	380 // Propagate here any error that would happen inside the comparison
ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	381 // callback below
ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	382 for dirstate_node in &dirstate_nodes {
47336 8d0260d0dbc9 dirstate-v2: Make the dirstate bytes buffer available in more places Simon Sapin <simon.sapin@octobus.net> parents: 47335 diff changeset	383 dirstate_node.base_name(self.dmap.on_disk)?;
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	384 }
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	385 itertools::merge_join_by(
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	386 dirstate_nodes,
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	387 &fs_entries,
47333 69530e5d4fe5 dirstate-tree: Add `NodeRef` and `ChildNodesRef` enums Simon Sapin <simon.sapin@octobus.net> parents: 47331 diff changeset	388 \|dirstate_node, fs_entry\| {
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	389 // This `unwrap` never panics because we already propagated
ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	390 // those errors above
47336 8d0260d0dbc9 dirstate-v2: Make the dirstate bytes buffer available in more places Simon Sapin <simon.sapin@octobus.net> parents: 47335 diff changeset	391 dirstate_node
8d0260d0dbc9 dirstate-v2: Make the dirstate bytes buffer available in more places Simon Sapin <simon.sapin@octobus.net> parents: 47335 diff changeset	392 .base_name(self.dmap.on_disk)
8d0260d0dbc9 dirstate-v2: Make the dirstate bytes buffer available in more places Simon Sapin <simon.sapin@octobus.net> parents: 47335 diff changeset	393 .unwrap()
8d0260d0dbc9 dirstate-v2: Make the dirstate bytes buffer available in more places Simon Sapin <simon.sapin@octobus.net> parents: 47335 diff changeset	394 .cmp(&fs_entry.base_name)
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	395 },
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	396 )
60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	397 .par_bridge()
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	398 .map(\|pair\| {
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	399 use itertools::EitherOrBoth::*;
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	400 let has_dirstate_node_or_is_ignored;
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	401 match pair {
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	402 Both(dirstate_node, fs_entry) => {
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	403 self.traverse_fs_and_dirstate(
47338 f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	404 &fs_entry.full_path,
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	405 &fs_entry.metadata,
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	406 dirstate_node,
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	407 has_ignored_ancestor,
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	408 )?;
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	409 has_dirstate_node_or_is_ignored = true
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	410 }
47333 69530e5d4fe5 dirstate-tree: Add `NodeRef` and `ChildNodesRef` enums Simon Sapin <simon.sapin@octobus.net> parents: 47331 diff changeset	411 Left(dirstate_node) => {
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	412 self.traverse_dirstate_only(dirstate_node)?;
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	413 has_dirstate_node_or_is_ignored = true;
47333 69530e5d4fe5 dirstate-tree: Add `NodeRef` and `ChildNodesRef` enums Simon Sapin <simon.sapin@octobus.net> parents: 47331 diff changeset	414 }
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	415 Right(fs_entry) => {
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	416 has_dirstate_node_or_is_ignored = self.traverse_fs_only(
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	417 has_ignored_ancestor,
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	418 directory_hg_path,
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	419 fs_entry,
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	420 )
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	421 }
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	422 }
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	423 Ok(has_dirstate_node_or_is_ignored)
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	424 })
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	425 .try_reduce(\|\| true, \|a, b\| Ok(a && b))
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	426 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	427
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	428 fn traverse_fs_and_dirstate(
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	429 &self,
47338 f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	430 fs_path: &Path,
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	431 fs_metadata: &std::fs::Metadata,
47347 73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	432 dirstate_node: NodeRef<'tree, 'on_disk>,
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	433 has_ignored_ancestor: bool,
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	434 ) -> Result<(), DirstateV2ParseError> {
47474 c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	435 self.check_for_outdated_directory_cache(&dirstate_node)?;
47347 73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	436 let hg_path = &dirstate_node.full_path_borrowed(self.dmap.on_disk)?;
47338 f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	437 let file_type = fs_metadata.file_type();
47114 aeb03758f37a dirstate-tree: Ignore FIFOs etc. in the status algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47113 diff changeset	438 let file_or_symlink = file_type.is_file() \|\| file_type.is_symlink();
aeb03758f37a dirstate-tree: Ignore FIFOs etc. in the status algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47113 diff changeset	439 if !file_or_symlink {
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	440 // If we previously had a file here, it was removed (with
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	441 // `hg rm` or similar) or deleted before it could be
47114 aeb03758f37a dirstate-tree: Ignore FIFOs etc. in the status algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47113 diff changeset	442 // replaced by a directory or something else.
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	443 self.mark_removed_or_deleted_if_file(&dirstate_node)?;
47114 aeb03758f37a dirstate-tree: Ignore FIFOs etc. in the status algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47113 diff changeset	444 }
aeb03758f37a dirstate-tree: Ignore FIFOs etc. in the status algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47113 diff changeset	445 if file_type.is_dir() {
aeb03758f37a dirstate-tree: Ignore FIFOs etc. in the status algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47113 diff changeset	446 if self.options.collect_traversed_dirs {
47347 73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	447 self.outcome
73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	448 .lock()
73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	449 .unwrap()
73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	450 .traversed
73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	451 .push(hg_path.detach_from_tree())
47114 aeb03758f37a dirstate-tree: Ignore FIFOs etc. in the status algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47113 diff changeset	452 }
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	453 let is_ignored = has_ignored_ancestor \|\| (self.ignore_fn)(hg_path);
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	454 let is_at_repo_root = false;
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	455 let children_all_have_dirstate_node_or_are_ignored = self
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	456 .traverse_fs_directory_and_dirstate(
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	457 is_ignored,
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	458 dirstate_node.children(self.dmap.on_disk)?,
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	459 hg_path,
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	460 fs_path,
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	461 Some(fs_metadata),
48193 320de901896a dirstate-v2: Truncate directory mtimes to 31 bits of seconds Simon Sapin <simon.sapin@octobus.net> parents: 48192 diff changeset	462 dirstate_node.cached_directory_mtime()?,
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	463 is_at_repo_root,
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	464 )?;
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	465 self.maybe_save_directory_mtime(
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	466 children_all_have_dirstate_node_or_are_ignored,
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	467 fs_metadata,
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	468 dirstate_node,
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	469 )?
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	470 } else {
47114 aeb03758f37a dirstate-tree: Ignore FIFOs etc. in the status algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47113 diff changeset	471 if file_or_symlink && self.matcher.matches(hg_path) {
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	472 if let Some(state) = dirstate_node.state()? {
47333 69530e5d4fe5 dirstate-tree: Add `NodeRef` and `ChildNodesRef` enums Simon Sapin <simon.sapin@octobus.net> parents: 47331 diff changeset	473 match state {
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	474 EntryState::Added => {
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	475 self.push_outcome(Outcome::Added, &dirstate_node)?
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	476 }
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	477 EntryState::Removed => self
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	478 .push_outcome(Outcome::Removed, &dirstate_node)?,
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	479 EntryState::Merged => self
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	480 .push_outcome(Outcome::Modified, &dirstate_node)?,
47338 f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	481 EntryState::Normal => self
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	482 .handle_normal_file(&dirstate_node, fs_metadata)?,
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	483 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	484 } else {
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	485 // `node.entry.is_none()` indicates a "directory"
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	486 // node, but the filesystem has a file
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	487 self.mark_unknown_or_ignored(
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	488 has_ignored_ancestor,
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	489 hg_path,
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	490 );
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	491 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	492 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	493
47336 8d0260d0dbc9 dirstate-v2: Make the dirstate bytes buffer available in more places Simon Sapin <simon.sapin@octobus.net> parents: 47335 diff changeset	494 for child_node in dirstate_node.children(self.dmap.on_disk)?.iter()
8d0260d0dbc9 dirstate-v2: Make the dirstate bytes buffer available in more places Simon Sapin <simon.sapin@octobus.net> parents: 47335 diff changeset	495 {
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	496 self.traverse_dirstate_only(child_node)?
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	497 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	498 }
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	499 Ok(())
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	500 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	501
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	502 fn maybe_save_directory_mtime(
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	503 &self,
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	504 children_all_have_dirstate_node_or_are_ignored: bool,
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	505 directory_metadata: &std::fs::Metadata,
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	506 dirstate_node: NodeRef<'tree, 'on_disk>,
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	507 ) -> Result<(), DirstateV2ParseError> {
48501 4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	508 if !children_all_have_dirstate_node_or_are_ignored {
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	509 return Ok(());
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	510 }
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	511 // All filesystem directory entries from `read_dir` have a
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	512 // corresponding node in the dirstate, so we can reconstitute the
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	513 // names of those entries without calling `read_dir` again.
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	514
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	515 // TODO: use let-else here and below when available:
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	516 // https://github.com/rust-lang/rust/issues/87335
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	517 let status_start = if let Some(status_start) =
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	518 &self.filesystem_time_at_status_start
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	519 {
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	520 status_start
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	521 } else {
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	522 return Ok(());
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	523 };
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	524
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	525 // Although the Rust standard library’s `SystemTime` type
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	526 // has nanosecond precision, the times reported for a
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	527 // directory’s (or file’s) modified time may have lower
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	528 // resolution based on the filesystem (for example ext3
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	529 // only stores integer seconds), kernel (see
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	530 // https://stackoverflow.com/a/14393315/1162888), etc.
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	531 let directory_mtime = if let Ok(option) =
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	532 TruncatedTimestamp::for_reliable_mtime_of(
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	533 directory_metadata,
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	534 status_start,
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	535 ) {
48501 4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	536 if let Some(directory_mtime) = option {
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	537 directory_mtime
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	538 } else {
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	539 // The directory was modified too recently,
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	540 // don’t cache its `read_dir` results.
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	541 //
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	542 // 1. A change to this directory (direct child was
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	543 // added or removed) cause its mtime to be set
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	544 // (possibly truncated) to `directory_mtime`
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	545 // 2. This `status` algorithm calls `read_dir`
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	546 // 3. An other change is made to the same directory is
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	547 // made so that calling `read_dir` agin would give
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	548 // different results, but soon enough after 1. that
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	549 // the mtime stays the same
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	550 //
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	551 // On a system where the time resolution poor, this
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	552 // scenario is not unlikely if all three steps are caused
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	553 // by the same script.
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	554 return Ok(());
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	555 }
48501 4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	556 } else {
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	557 // OS/libc does not support mtime?
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	558 return Ok(());
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	559 };
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	560 // We’ve observed (through `status_start`) that time has
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	561 // “progressed” since `directory_mtime`, so any further
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	562 // change to this directory is extremely likely to cause a
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	563 // different mtime.
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	564 //
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	565 // Having the same mtime again is not entirely impossible
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	566 // since the system clock is not monotonous. It could jump
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	567 // backward to some point before `directory_mtime`, then a
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	568 // directory change could potentially happen during exactly
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	569 // the wrong tick.
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	570 //
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	571 // We deem this scenario (unlike the previous one) to be
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	572 // unlikely enough in practice.
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	573
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	574 let is_up_to_date =
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	575 if let Some(cached) = dirstate_node.cached_directory_mtime()? {
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	576 cached.likely_equal(directory_mtime)
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	577 } else {
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	578 false
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	579 };
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	580 if !is_up_to_date {
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	581 let hg_path = dirstate_node
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	582 .full_path_borrowed(self.dmap.on_disk)?
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	583 .detach_from_tree();
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	584 self.new_cachable_directories
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	585 .lock()
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	586 .unwrap()
4afb9627dc77 dirstate-v2: Apply SECOND_AMBIGUOUS to directory mtimes too Simon Sapin <simon.sapin@octobus.net> parents: 48454 diff changeset	587 .push((hg_path, directory_mtime))
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	588 }
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	589 Ok(())
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	590 }
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	591
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	592 /// A file with `EntryState::Normal` in the dirstate was found in the
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	593 /// filesystem
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	594 fn handle_normal_file(
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	595 &self,
47347 73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	596 dirstate_node: &NodeRef<'tree, 'on_disk>,
47338 f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	597 fs_metadata: &std::fs::Metadata,
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	598 ) -> Result<(), DirstateV2ParseError> {
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	599 // Keep the low 31 bits
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	600 fn truncate_u64(value: u64) -> i32 {
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	601 (value & 0x7FFF_FFFF) as i32
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	602 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	603
47333 69530e5d4fe5 dirstate-tree: Add `NodeRef` and `ChildNodesRef` enums Simon Sapin <simon.sapin@octobus.net> parents: 47331 diff changeset	604 let entry = dirstate_node
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	605 .entry()?
47333 69530e5d4fe5 dirstate-tree: Add `NodeRef` and `ChildNodesRef` enums Simon Sapin <simon.sapin@octobus.net> parents: 47331 diff changeset	606 .expect("handle_normal_file called with entry-less node");
47338 f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	607 let mode_changed =
f27f2afb15da dirstate-tree: Skip readdir() in `hg status -mard` Simon Sapin <simon.sapin@octobus.net> parents: 47336 diff changeset	608 \|\| self.options.check_exec && entry.mode_changed(fs_metadata);
48022 f2a9db29cb2d rust: Make the fields of DirstateEntry private Simon Sapin <simon.sapin@octobus.net> parents: 47475 diff changeset	609 let size = entry.size();
f2a9db29cb2d rust: Make the fields of DirstateEntry private Simon Sapin <simon.sapin@octobus.net> parents: 47475 diff changeset	610 let size_changed = size != truncate_u64(fs_metadata.len());
f2a9db29cb2d rust: Make the fields of DirstateEntry private Simon Sapin <simon.sapin@octobus.net> parents: 47475 diff changeset	611 if size >= 0 && size_changed && fs_metadata.file_type().is_symlink() {
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	612 // issue6456: Size returned may be longer due to encryption
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	613 // on EXT-4 fscrypt. TODO maybe only do it on EXT4?
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	614 self.push_outcome(Outcome::Unsure, dirstate_node)?
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	615 } else if dirstate_node.has_copy_source()
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	616 \|\| entry.is_from_other_parent()
48022 f2a9db29cb2d rust: Make the fields of DirstateEntry private Simon Sapin <simon.sapin@octobus.net> parents: 47475 diff changeset	617 \|\| (size >= 0 && (size_changed \|\| mode_changed()))
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	618 {
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	619 self.push_outcome(Outcome::Modified, dirstate_node)?
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	620 } else {
48260 269ff8978086 dirstate: store mtimes with nanosecond precision in memory Simon Sapin <simon.sapin@octobus.net> parents: 48257 diff changeset	621 let mtime_looks_clean;
269ff8978086 dirstate: store mtimes with nanosecond precision in memory Simon Sapin <simon.sapin@octobus.net> parents: 48257 diff changeset	622 if let Some(dirstate_mtime) = entry.truncated_mtime() {
269ff8978086 dirstate: store mtimes with nanosecond precision in memory Simon Sapin <simon.sapin@octobus.net> parents: 48257 diff changeset	623 let fs_mtime = TruncatedTimestamp::for_mtime_of(fs_metadata)
48263 83d0bd45b662 dirstate-v2: actually use sub-second mtime precision Simon Sapin <simon.sapin@octobus.net> parents: 48260 diff changeset	624 .expect("OS/libc does not support mtime?");
48391 b80e5e75d51e dirstate: remove `lastnormaltime` mechanism Pierre-Yves David <pierre-yves.david@octobus.net> parents: 48263 diff changeset	625 // There might be a change in the future if for example the
b80e5e75d51e dirstate: remove `lastnormaltime` mechanism Pierre-Yves David <pierre-yves.david@octobus.net> parents: 48263 diff changeset	626 // internal clock become off while process run, but this is a
b80e5e75d51e dirstate: remove `lastnormaltime` mechanism Pierre-Yves David <pierre-yves.david@octobus.net> parents: 48263 diff changeset	627 // case where the issues the user would face
b80e5e75d51e dirstate: remove `lastnormaltime` mechanism Pierre-Yves David <pierre-yves.david@octobus.net> parents: 48263 diff changeset	628 // would be a lot worse and there is nothing we
b80e5e75d51e dirstate: remove `lastnormaltime` mechanism Pierre-Yves David <pierre-yves.david@octobus.net> parents: 48263 diff changeset	629 // can really do.
48260 269ff8978086 dirstate: store mtimes with nanosecond precision in memory Simon Sapin <simon.sapin@octobus.net> parents: 48257 diff changeset	630 mtime_looks_clean = fs_mtime.likely_equal(dirstate_mtime)
269ff8978086 dirstate: store mtimes with nanosecond precision in memory Simon Sapin <simon.sapin@octobus.net> parents: 48257 diff changeset	631 } else {
269ff8978086 dirstate: store mtimes with nanosecond precision in memory Simon Sapin <simon.sapin@octobus.net> parents: 48257 diff changeset	632 // No mtime in the dirstate entry
269ff8978086 dirstate: store mtimes with nanosecond precision in memory Simon Sapin <simon.sapin@octobus.net> parents: 48257 diff changeset	633 mtime_looks_clean = false
269ff8978086 dirstate: store mtimes with nanosecond precision in memory Simon Sapin <simon.sapin@octobus.net> parents: 48257 diff changeset	634 };
269ff8978086 dirstate: store mtimes with nanosecond precision in memory Simon Sapin <simon.sapin@octobus.net> parents: 48257 diff changeset	635 if !mtime_looks_clean {
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	636 self.push_outcome(Outcome::Unsure, dirstate_node)?
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	637 } else if self.options.list_clean {
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	638 self.push_outcome(Outcome::Clean, dirstate_node)?
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	639 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	640 }
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	641 Ok(())
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	642 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	643
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	644 /// A node in the dirstate tree has no corresponding filesystem entry
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	645 fn traverse_dirstate_only(
ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	646 &self,
47347 73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	647 dirstate_node: NodeRef<'tree, 'on_disk>,
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	648 ) -> Result<(), DirstateV2ParseError> {
47474 c657beacdf2e dirstate-v2: Drop cached read_dir results after .hgignore changes Simon Sapin <simon.sapin@octobus.net> parents: 47409 diff changeset	649 self.check_for_outdated_directory_cache(&dirstate_node)?;
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	650 self.mark_removed_or_deleted_if_file(&dirstate_node)?;
47333 69530e5d4fe5 dirstate-tree: Add `NodeRef` and `ChildNodesRef` enums Simon Sapin <simon.sapin@octobus.net> parents: 47331 diff changeset	651 dirstate_node
47336 8d0260d0dbc9 dirstate-v2: Make the dirstate bytes buffer available in more places Simon Sapin <simon.sapin@octobus.net> parents: 47335 diff changeset	652 .children(self.dmap.on_disk)?
47333 69530e5d4fe5 dirstate-tree: Add `NodeRef` and `ChildNodesRef` enums Simon Sapin <simon.sapin@octobus.net> parents: 47331 diff changeset	653 .par_iter()
47335 ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	654 .map(\|child_node\| self.traverse_dirstate_only(child_node))
ed1583a845d2 dirstate-v2: Make more APIs fallible, returning Result Simon Sapin <simon.sapin@octobus.net> parents: 47333 diff changeset	655 .collect()
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	656 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	657
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	658 /// A node in the dirstate tree has no corresponding file on the
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	659 /// filesystem
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	660 ///
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	661 /// Does nothing on a "directory" node
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	662 fn mark_removed_or_deleted_if_file(
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	663 &self,
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	664 dirstate_node: &NodeRef<'tree, 'on_disk>,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	665 ) -> Result<(), DirstateV2ParseError> {
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	666 if let Some(state) = dirstate_node.state()? {
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	667 let path = dirstate_node.full_path(self.dmap.on_disk)?;
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	668 if self.matcher.matches(path) {
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	669 if let EntryState::Removed = state {
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	670 self.push_outcome(Outcome::Removed, dirstate_node)?
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	671 } else {
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	672 self.push_outcome(Outcome::Deleted, &dirstate_node)?
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	673 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	674 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	675 }
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	676 Ok(())
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	677 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	678
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	679 /// Something in the filesystem has no corresponding dirstate node
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	680 ///
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	681 /// Returns whether that path is ignored
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	682 fn traverse_fs_only(
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	683 &self,
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	684 has_ignored_ancestor: bool,
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	685 directory_hg_path: &HgPath,
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	686 fs_entry: &DirEntry,
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	687 ) -> bool {
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	688 let hg_path = directory_hg_path.join(&fs_entry.base_name);
47114 aeb03758f37a dirstate-tree: Ignore FIFOs etc. in the status algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47113 diff changeset	689 let file_type = fs_entry.metadata.file_type();
aeb03758f37a dirstate-tree: Ignore FIFOs etc. in the status algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47113 diff changeset	690 let file_or_symlink = file_type.is_file() \|\| file_type.is_symlink();
aeb03758f37a dirstate-tree: Ignore FIFOs etc. in the status algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47113 diff changeset	691 if file_type.is_dir() {
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	692 let is_ignored =
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	693 has_ignored_ancestor \|\| (self.ignore_fn)(&hg_path);
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	694 let traverse_children = if is_ignored {
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	695 // Descendants of an ignored directory are all ignored
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	696 self.options.list_ignored
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	697 } else {
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	698 // Descendants of an unknown directory may be either unknown or
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	699 // ignored
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	700 self.options.list_unknown \|\| self.options.list_ignored
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	701 };
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	702 if traverse_children {
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	703 let is_at_repo_root = false;
47115 1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	704 if let Ok(children_fs_entries) = self.read_dir(
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	705 &hg_path,
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	706 &fs_entry.full_path,
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	707 is_at_repo_root,
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	708 ) {
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	709 children_fs_entries.par_iter().for_each(\|child_fs_entry\| {
47115 1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	710 self.traverse_fs_only(
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	711 is_ignored,
1b4f0f819f92 dirstate-tree: Handle I/O errors in status Simon Sapin <simon.sapin@octobus.net> parents: 47114 diff changeset	712 &hg_path,
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	713 child_fs_entry,
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	714 );
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	715 })
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	716 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	717 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	718 if self.options.collect_traversed_dirs {
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	719 self.outcome.lock().unwrap().traversed.push(hg_path.into())
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	720 }
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	721 is_ignored
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	722 } else {
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	723 if file_or_symlink {
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	724 if self.matcher.matches(&hg_path) {
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	725 self.mark_unknown_or_ignored(
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	726 has_ignored_ancestor,
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	727 &BorrowedPath::InMemory(&hg_path),
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	728 )
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	729 } else {
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	730 // We haven’t computed whether this path is ignored. It
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	731 // might not be, and a future run of status might have a
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	732 // different matcher that matches it. So treat it as not
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	733 // ignored. That is, inhibit readdir caching of the parent
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	734 // directory.
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	735 false
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	736 }
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	737 } else {
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	738 // This is neither a directory, a plain file, or a symlink.
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	739 // Treat it like an ignored file.
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	740 true
94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	741 }
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	742 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	743 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	744
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	745 /// Returns whether that path is ignored
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	746 fn mark_unknown_or_ignored(
47117 60d852ae7e7b dirstate-tree: Paralellize the status algorithm with Rayon Simon Sapin <simon.sapin@octobus.net> parents: 47115 diff changeset	747 &self,
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	748 has_ignored_ancestor: bool,
47347 73ddcedeaadf dirstate-tree: Change status() results to not borrow DirstateMap Simon Sapin <simon.sapin@octobus.net> parents: 47346 diff changeset	749 hg_path: &BorrowedPath<'_, 'on_disk>,
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	750 ) -> bool {
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	751 let is_ignored = has_ignored_ancestor \|\| (self.ignore_fn)(&hg_path);
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	752 if is_ignored {
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	753 if self.options.list_ignored {
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	754 self.push_outcome_without_copy_source(
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	755 Outcome::Ignored,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	756 hg_path,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	757 )
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	758 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	759 } else {
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	760 if self.options.list_unknown {
48454 473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	761 self.push_outcome_without_copy_source(
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	762 Outcome::Unknown,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	763 hg_path,
473af5cbc209 rhg: Add support for `rhg status --copies` Simon Sapin <simon.sapin@octobus.net> parents: 48422 diff changeset	764 )
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	765 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	766 }
47475 94e38822d395 status: Extend read_dir caching to directories with ignored files Simon Sapin <simon.sapin@octobus.net> parents: 47474 diff changeset	767 is_ignored
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	768 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	769 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	770
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	771 struct DirEntry {
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	772 base_name: HgPathBuf,
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	773 full_path: PathBuf,
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	774 metadata: std::fs::Metadata,
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	775 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	776
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	777 impl DirEntry {
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	778 /// Returns unsorted entries in the given directory, with name and
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	779 /// metadata.
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	780 ///
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	781 /// If a `.hg` sub-directory is encountered:
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	782 ///
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	783 /// * At the repository root, ignore that sub-directory
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	784 /// * Elsewhere, we’re listing the content of a sub-repo. Return an empty
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	785 /// list instead.
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	786 fn read_dir(path: &Path, is_at_repo_root: bool) -> io::Result<Vec<Self>> {
48745 94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	787 // `read_dir` returns a "not found" error for the empty path
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	788 let at_cwd = path == Path::new("");
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	789 let read_dir_path = if at_cwd { Path::new(".") } else { path };
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	790 let mut results = Vec::new();
48745 94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	791 for entry in read_dir_path.read_dir()? {
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	792 let entry = entry?;
48774 dcec16e799dd status: fix hg status race against file deletion Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48263 diff changeset	793 let metadata = match entry.metadata() {
dcec16e799dd status: fix hg status race against file deletion Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48263 diff changeset	794 Ok(v) => v,
dcec16e799dd status: fix hg status race against file deletion Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48263 diff changeset	795 Err(e) => {
dcec16e799dd status: fix hg status race against file deletion Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48263 diff changeset	796 // race with file deletion?
dcec16e799dd status: fix hg status race against file deletion Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48263 diff changeset	797 if e.kind() == std::io::ErrorKind::NotFound {
dcec16e799dd status: fix hg status race against file deletion Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48263 diff changeset	798 continue;
dcec16e799dd status: fix hg status race against file deletion Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48263 diff changeset	799 } else {
dcec16e799dd status: fix hg status race against file deletion Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48263 diff changeset	800 return Err(e);
dcec16e799dd status: fix hg status race against file deletion Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48263 diff changeset	801 }
dcec16e799dd status: fix hg status race against file deletion Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48263 diff changeset	802 }
dcec16e799dd status: fix hg status race against file deletion Arseniy Alekseyev <aalekseyev@janestreet.com> parents: 48263 diff changeset	803 };
48745 94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	804 let file_name = entry.file_name();
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	805 // FIXME don't do this when cached
48745 94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	806 if file_name == ".hg" {
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	807 if is_at_repo_root {
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	808 // Skip the repo’s own .hg (might be a symlink)
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	809 continue;
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	810 } else if metadata.is_dir() {
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	811 // A .hg sub-directory at another location means a subrepo,
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	812 // skip it entirely.
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	813 return Ok(Vec::new());
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	814 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	815 }
48745 94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	816 let full_path = if at_cwd {
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	817 file_name.clone().into()
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	818 } else {
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	819 entry.path()
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	820 };
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	821 let base_name = get_bytes_from_os_string(file_name).into();
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	822 results.push(DirEntry {
48745 94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	823 base_name,
94e36b230990 status: prefer relative paths in Rust code Simon Sapin <simon.sapin@octobus.net> parents: 48501 diff changeset	824 full_path,
47113 be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	825 metadata,
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	826 })
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	827 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	828 Ok(results)
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	829 }
be579775c2d9 dirstate-tree: Add the new `status()` algorithm Simon Sapin <simon.sapin@octobus.net> parents: 47112 diff changeset	830 }
47349 7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	831
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	832 /// Return the `mtime` of a temporary file newly-created in the `.hg` directory
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	833 /// of the give repository.
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	834 ///
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	835 /// This is similar to `SystemTime::now()`, with the result truncated to the
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	836 /// same time resolution as other files’ modification times. Using `.hg`
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	837 /// instead of the system’s default temporary directory (such as `/tmp`) makes
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	838 /// it more likely the temporary file is in the same disk partition as contents
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	839 /// of the working directory, which can matter since different filesystems may
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	840 /// store timestamps with different resolutions.
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	841 ///
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	842 /// This may fail, typically if we lack write permissions. In that case we
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	843 /// should continue the `status()` algoritm anyway and consider the current
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	844 /// date/time to be unknown.
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	845 fn filesystem_now(repo_root: &Path) -> Result<SystemTime, io::Error> {
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	846 tempfile::tempfile_in(repo_root.join(".hg"))?
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	847 .metadata()?
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	848 .modified()
7138c863d0a1 dirstate-v2: Skip readdir in status based on directory mtime Simon Sapin <simon.sapin@octobus.net> parents: 47347 diff changeset	849 }

Mercurial > public > mercurial-scm > hg

annotate rust/hg-core/src/dirstate_tree/status.rs @ 49145:dd2503a63d33 stable