mercurial-scm/hg-stable: rust/hg-core/src/repo.rs annotate

annotate rust/hg-core/src/repo.rs @ 47983:e834b79def74

rust: Switch to the memmap2-rs crate https://github.com/RazrFalcon/memmap2-rs This is a fork of the original memmap crate which appears to be unmaintained: https://github.com/danburkert/memmap-rs/issues/90 This fork is the most popular according to https://crates.io/keywords/mmap Differential Revision: https://phab.mercurial-scm.org/D11397

author	Simon Sapin <simon.sapin@octobus.net>
date	Fri, 10 Sep 2021 09:53:09 +0200
parents	9cd35c8c6044
children	81aedf1fc897

rev	line source
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	1 use crate::config::{Config, ConfigError, ConfigParseError};
47980 9cd35c8c6044 rust: Move VFS code to its own module Simon Sapin <simon.sapin@octobus.net> parents: 47977 diff changeset	2 use crate::errors::HgError;
47413 6e49769b7f97 rhg: add exit code to HgError::Abort() Pulkit Goyal <7895pulkit@gmail.com> parents: 47411 diff changeset	3 use crate::exit_codes;
46167 8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	4 use crate::requirements;
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	5 use crate::utils::files::get_path_from_bytes;
46753 97ac588b6d9e rhg: Don?t make repository path absolute too early Simon Sapin <simon.sapin@octobus.net> parents: 46748 diff changeset	6 use crate::utils::SliceExt;
47980 9cd35c8c6044 rust: Move VFS code to its own module Simon Sapin <simon.sapin@octobus.net> parents: 47977 diff changeset	7 use crate::vfs::{is_dir, is_file, Vfs};
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	8 use std::collections::HashSet;
46167 8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	9 use std::path::{Path, PathBuf};
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	10
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	11 /// A repository on disk
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	12 pub struct Repo {
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	13 working_directory: PathBuf,
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	14 dot_hg: PathBuf,
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	15 store: PathBuf,
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	16 requirements: HashSet<String>,
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	17 config: Config,
46167 8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	18 }
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	19
46514 1dcd9c9975ed rust: Fold find_root and check_requirements into Repo::find Simon Sapin <simon.sapin@octobus.net> parents: 46511 diff changeset	20 #[derive(Debug, derive_more::From)]
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	21 pub enum RepoError {
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	22 NotFound {
46555 d8730ff51d5a rhg: Add support for -R and --repository command-line arguments Simon Sapin <simon.sapin@octobus.net> parents: 46545 diff changeset	23 at: PathBuf,
46514 1dcd9c9975ed rust: Fold find_root and check_requirements into Repo::find Simon Sapin <simon.sapin@octobus.net> parents: 46511 diff changeset	24 },
1dcd9c9975ed rust: Fold find_root and check_requirements into Repo::find Simon Sapin <simon.sapin@octobus.net> parents: 46511 diff changeset	25 #[from]
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	26 ConfigParseError(ConfigParseError),
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	27 #[from]
46514 1dcd9c9975ed rust: Fold find_root and check_requirements into Repo::find Simon Sapin <simon.sapin@octobus.net> parents: 46511 diff changeset	28 Other(HgError),
1dcd9c9975ed rust: Fold find_root and check_requirements into Repo::find Simon Sapin <simon.sapin@octobus.net> parents: 46511 diff changeset	29 }
1dcd9c9975ed rust: Fold find_root and check_requirements into Repo::find Simon Sapin <simon.sapin@octobus.net> parents: 46511 diff changeset	30
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	31 impl From<ConfigError> for RepoError {
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	32 fn from(error: ConfigError) -> Self {
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	33 match error {
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	34 ConfigError::Parse(error) => error.into(),
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	35 ConfigError::Other(error) => error.into(),
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	36 }
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	37 }
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	38 }
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	39
46167 8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	40 impl Repo {
47411 88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	41 /// tries to find nearest repository root in current working directory or
88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	42 /// its ancestors
88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	43 pub fn find_repo_root() -> Result<PathBuf, RepoError> {
88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	44 let current_directory = crate::utils::current_dir()?;
88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	45 // ancestors() is inclusive: it first yields `current_directory`
88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	46 // as-is.
88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	47 for ancestor in current_directory.ancestors() {
47779 cf5f8da2244c rhg: Propagate permission errors when finding a repository Simon Sapin <simon.sapin@octobus.net> parents: 47674 diff changeset	48 if is_dir(ancestor.join(".hg"))? {
47411 88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	49 return Ok(ancestor.to_path_buf());
88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	50 }
88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	51 }
88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	52 return Err(RepoError::NotFound {
88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	53 at: current_directory,
88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	54 });
88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	55 }
88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	56
46557 a25033eb43b5 rhg: add limited support for the `config` sub-command Simon Sapin <simon.sapin@octobus.net> parents: 46555 diff changeset	57 /// Find a repository, either at the given path (which must contain a `.hg`
a25033eb43b5 rhg: add limited support for the `config` sub-command Simon Sapin <simon.sapin@octobus.net> parents: 46555 diff changeset	58 /// sub-directory) or by searching the current directory and its
a25033eb43b5 rhg: add limited support for the `config` sub-command Simon Sapin <simon.sapin@octobus.net> parents: 46555 diff changeset	59 /// ancestors.
46555 d8730ff51d5a rhg: Add support for -R and --repository command-line arguments Simon Sapin <simon.sapin@octobus.net> parents: 46545 diff changeset	60 ///
46557 a25033eb43b5 rhg: add limited support for the `config` sub-command Simon Sapin <simon.sapin@octobus.net> parents: 46555 diff changeset	61 /// A method with two very different "modes" like this usually a code smell
a25033eb43b5 rhg: add limited support for the `config` sub-command Simon Sapin <simon.sapin@octobus.net> parents: 46555 diff changeset	62 /// to make two methods instead, but in this case an `Option` is what rhg
a25033eb43b5 rhg: add limited support for the `config` sub-command Simon Sapin <simon.sapin@octobus.net> parents: 46555 diff changeset	63 /// sub-commands get from Clap for the `-R` / `--repository` CLI argument.
a25033eb43b5 rhg: add limited support for the `config` sub-command Simon Sapin <simon.sapin@octobus.net> parents: 46555 diff changeset	64 /// Having two methods would just move that `if` to almost all callers.
46555 d8730ff51d5a rhg: Add support for -R and --repository command-line arguments Simon Sapin <simon.sapin@octobus.net> parents: 46545 diff changeset	65 pub fn find(
d8730ff51d5a rhg: Add support for -R and --repository command-line arguments Simon Sapin <simon.sapin@octobus.net> parents: 46545 diff changeset	66 config: &Config,
47410 ebdef6283798 rhg: read [paths] for `--repository` value Pulkit Goyal <7895pulkit@gmail.com> parents: 47380 diff changeset	67 explicit_path: Option<PathBuf>,
46555 d8730ff51d5a rhg: Add support for -R and --repository command-line arguments Simon Sapin <simon.sapin@octobus.net> parents: 46545 diff changeset	68 ) -> Result<Self, RepoError> {
d8730ff51d5a rhg: Add support for -R and --repository command-line arguments Simon Sapin <simon.sapin@octobus.net> parents: 46545 diff changeset	69 if let Some(root) = explicit_path {
47779 cf5f8da2244c rhg: Propagate permission errors when finding a repository Simon Sapin <simon.sapin@octobus.net> parents: 47674 diff changeset	70 if is_dir(root.join(".hg"))? {
46753 97ac588b6d9e rhg: Don?t make repository path absolute too early Simon Sapin <simon.sapin@octobus.net> parents: 46748 diff changeset	71 Self::new_at_path(root.to_owned(), config)
47779 cf5f8da2244c rhg: Propagate permission errors when finding a repository Simon Sapin <simon.sapin@octobus.net> parents: 47674 diff changeset	72 } else if is_file(&root)? {
46743 dfd35823635b rhg: Fall back to Python for bundle repositories Simon Sapin <simon.sapin@octobus.net> parents: 46741 diff changeset	73 Err(HgError::unsupported("bundle repository").into())
46555 d8730ff51d5a rhg: Add support for -R and --repository command-line arguments Simon Sapin <simon.sapin@octobus.net> parents: 46545 diff changeset	74 } else {
d8730ff51d5a rhg: Add support for -R and --repository command-line arguments Simon Sapin <simon.sapin@octobus.net> parents: 46545 diff changeset	75 Err(RepoError::NotFound {
d8730ff51d5a rhg: Add support for -R and --repository command-line arguments Simon Sapin <simon.sapin@octobus.net> parents: 46545 diff changeset	76 at: root.to_owned(),
d8730ff51d5a rhg: Add support for -R and --repository command-line arguments Simon Sapin <simon.sapin@octobus.net> parents: 46545 diff changeset	77 })
46514 1dcd9c9975ed rust: Fold find_root and check_requirements into Repo::find Simon Sapin <simon.sapin@octobus.net> parents: 46511 diff changeset	78 }
46555 d8730ff51d5a rhg: Add support for -R and --repository command-line arguments Simon Sapin <simon.sapin@octobus.net> parents: 46545 diff changeset	79 } else {
47411 88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	80 let root = Self::find_repo_root()?;
88119fffecc8 rhg: look for repository in ancestors also instead of cwd only Pulkit Goyal <7895pulkit@gmail.com> parents: 47410 diff changeset	81 Self::new_at_path(root, config)
46167 8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	82 }
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	83 }
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	84
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	85 /// To be called after checking that `.hg` is a sub-directory
46544 f031fe1c6ede rhg: Abort based on config on share-safe mismatch Simon Sapin <simon.sapin@octobus.net> parents: 46543 diff changeset	86 fn new_at_path(
f031fe1c6ede rhg: Abort based on config on share-safe mismatch Simon Sapin <simon.sapin@octobus.net> parents: 46543 diff changeset	87 working_directory: PathBuf,
f031fe1c6ede rhg: Abort based on config on share-safe mismatch Simon Sapin <simon.sapin@octobus.net> parents: 46543 diff changeset	88 config: &Config,
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	89 ) -> Result<Self, RepoError> {
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	90 let dot_hg = working_directory.join(".hg");
46525 95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	91
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	92 let mut repo_config_files = Vec::new();
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	93 repo_config_files.push(dot_hg.join("hgrc"));
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	94 repo_config_files.push(dot_hg.join("hgrc-not-shared"));
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	95
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	96 let hg_vfs = Vfs { base: &dot_hg };
46525 95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	97 let mut reqs = requirements::load_if_exists(hg_vfs)?;
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	98 let relative =
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	99 reqs.contains(requirements::RELATIVE_SHARED_REQUIREMENT);
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	100 let shared =
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	101 reqs.contains(requirements::SHARED_REQUIREMENT) \|\| relative;
46525 95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	102
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	103 // From `mercurial/localrepo.py`:
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	104 //
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	105 // if .hg/requires contains the sharesafe requirement, it means
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	106 // there exists a `.hg/store/requires` too and we should read it
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	107 // NOTE: presence of SHARESAFE_REQUIREMENT imply that store requirement
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	108 // is present. We never write SHARESAFE_REQUIREMENT for a repo if store
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	109 // is not present, refer checkrequirementscompat() for that
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	110 //
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	111 // However, if SHARESAFE_REQUIREMENT is not present, it means that the
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	112 // repository was shared the old way. We check the share source
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	113 // .hg/requires for SHARESAFE_REQUIREMENT to detect whether the
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	114 // current repository needs to be reshared
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	115 let share_safe = reqs.contains(requirements::SHARESAFE_REQUIREMENT);
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	116
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	117 let store_path;
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	118 if !shared {
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	119 store_path = dot_hg.join("store");
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	120 } else {
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	121 let bytes = hg_vfs.read("sharedpath")?;
46708 e8cd519a0a34 rhg: Ignore trailing newlines in .hg/sharedpath Simon Sapin <simon.sapin@octobus.net> parents: 46652 diff changeset	122 let mut shared_path =
47977 696abab107b4 rust: Generalize the `trim_end_newlines` utility of byte strings Simon Sapin <simon.sapin@octobus.net> parents: 47779 diff changeset	123 get_path_from_bytes(bytes.trim_end_matches(\|b\| b == b'\n'))
696abab107b4 rust: Generalize the `trim_end_newlines` utility of byte strings Simon Sapin <simon.sapin@octobus.net> parents: 47779 diff changeset	124 .to_owned();
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	125 if relative {
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	126 shared_path = dot_hg.join(shared_path)
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	127 }
47779 cf5f8da2244c rhg: Propagate permission errors when finding a repository Simon Sapin <simon.sapin@octobus.net> parents: 47674 diff changeset	128 if !is_dir(&shared_path)? {
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	129 return Err(HgError::corrupted(format!(
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	130 ".hg/sharedpath points to nonexistent directory {}",
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	131 shared_path.display()
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	132 ))
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	133 .into());
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	134 }
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	135
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	136 store_path = shared_path.join("store");
46525 95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	137
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	138 let source_is_share_safe =
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	139 requirements::load(Vfs { base: &shared_path })?
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	140 .contains(requirements::SHARESAFE_REQUIREMENT);
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	141
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	142 if share_safe && !source_is_share_safe {
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	143 return Err(match config
46748 12d59eec7f1d rhg: Align with Python on some more error messages Simon Sapin <simon.sapin@octobus.net> parents: 46743 diff changeset	144 .get(b"share", b"safe-mismatch.source-not-safe")
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	145 {
46544 f031fe1c6ede rhg: Abort based on config on share-safe mismatch Simon Sapin <simon.sapin@octobus.net> parents: 46543 diff changeset	146 Some(b"abort") \| None => HgError::abort(
46748 12d59eec7f1d rhg: Align with Python on some more error messages Simon Sapin <simon.sapin@octobus.net> parents: 46743 diff changeset	147 "abort: share source does not support share-safe requirement\n\
12d59eec7f1d rhg: Align with Python on some more error messages Simon Sapin <simon.sapin@octobus.net> parents: 46743 diff changeset	148 (see `hg help config.format.use-share-safe` for more information)",
47413 6e49769b7f97 rhg: add exit code to HgError::Abort() Pulkit Goyal <7895pulkit@gmail.com> parents: 47411 diff changeset	149 exit_codes::ABORT,
46544 f031fe1c6ede rhg: Abort based on config on share-safe mismatch Simon Sapin <simon.sapin@octobus.net> parents: 46543 diff changeset	150 ),
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	151 _ => HgError::unsupported("share-safe downgrade"),
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	152 }
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	153 .into());
46525 95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	154 } else if source_is_share_safe && !share_safe {
46544 f031fe1c6ede rhg: Abort based on config on share-safe mismatch Simon Sapin <simon.sapin@octobus.net> parents: 46543 diff changeset	155 return Err(
46748 12d59eec7f1d rhg: Align with Python on some more error messages Simon Sapin <simon.sapin@octobus.net> parents: 46743 diff changeset	156 match config.get(b"share", b"safe-mismatch.source-safe") {
46544 f031fe1c6ede rhg: Abort based on config on share-safe mismatch Simon Sapin <simon.sapin@octobus.net> parents: 46543 diff changeset	157 Some(b"abort") \| None => HgError::abort(
46748 12d59eec7f1d rhg: Align with Python on some more error messages Simon Sapin <simon.sapin@octobus.net> parents: 46743 diff changeset	158 "abort: version mismatch: source uses share-safe \
12d59eec7f1d rhg: Align with Python on some more error messages Simon Sapin <simon.sapin@octobus.net> parents: 46743 diff changeset	159 functionality while the current share does not\n\
12d59eec7f1d rhg: Align with Python on some more error messages Simon Sapin <simon.sapin@octobus.net> parents: 46743 diff changeset	160 (see `hg help config.format.use-share-safe` for more information)",
47413 6e49769b7f97 rhg: add exit code to HgError::Abort() Pulkit Goyal <7895pulkit@gmail.com> parents: 47411 diff changeset	161 exit_codes::ABORT,
46544 f031fe1c6ede rhg: Abort based on config on share-safe mismatch Simon Sapin <simon.sapin@octobus.net> parents: 46543 diff changeset	162 ),
f031fe1c6ede rhg: Abort based on config on share-safe mismatch Simon Sapin <simon.sapin@octobus.net> parents: 46543 diff changeset	163 _ => HgError::unsupported("share-safe upgrade"),
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	164 }
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	165 .into(),
46544 f031fe1c6ede rhg: Abort based on config on share-safe mismatch Simon Sapin <simon.sapin@octobus.net> parents: 46543 diff changeset	166 );
46525 95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46524 diff changeset	167 }
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	168
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	169 if share_safe {
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	170 repo_config_files.insert(0, shared_path.join("hgrc"))
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	171 }
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	172 }
46652 f64b6953db70 rhg: Bug fix: with share-safe, always read store requirements Simon Sapin <simon.sapin@octobus.net> parents: 46640 diff changeset	173 if share_safe {
f64b6953db70 rhg: Bug fix: with share-safe, always read store requirements Simon Sapin <simon.sapin@octobus.net> parents: 46640 diff changeset	174 reqs.extend(requirements::load(Vfs { base: &store_path })?);
f64b6953db70 rhg: Bug fix: with share-safe, always read store requirements Simon Sapin <simon.sapin@octobus.net> parents: 46640 diff changeset	175 }
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	176
46754 25e3dac511f0 rhg: Add support for the HGRCSKIPREPO environment variable Simon Sapin <simon.sapin@octobus.net> parents: 46753 diff changeset	177 let repo_config = if std::env::var_os("HGRCSKIPREPO").is_none() {
25e3dac511f0 rhg: Add support for the HGRCSKIPREPO environment variable Simon Sapin <simon.sapin@octobus.net> parents: 46753 diff changeset	178 config.combine_with_repo(&repo_config_files)?
25e3dac511f0 rhg: Add support for the HGRCSKIPREPO environment variable Simon Sapin <simon.sapin@octobus.net> parents: 46753 diff changeset	179 } else {
25e3dac511f0 rhg: Add support for the HGRCSKIPREPO environment variable Simon Sapin <simon.sapin@octobus.net> parents: 46753 diff changeset	180 config.clone()
25e3dac511f0 rhg: Add support for the HGRCSKIPREPO environment variable Simon Sapin <simon.sapin@octobus.net> parents: 46753 diff changeset	181 };
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	182
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	183 let repo = Self {
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	184 requirements: reqs,
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	185 working_directory,
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	186 store: store_path,
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	187 dot_hg,
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	188 config: repo_config,
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	189 };
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	190
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	191 requirements::check(&repo)?;
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	192
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	193 Ok(repo)
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	194 }
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	195
46167 8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	196 pub fn working_directory_path(&self) -> &Path {
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	197 &self.working_directory
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	198 }
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	199
46524 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	200 pub fn requirements(&self) -> &HashSet<String> {
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	201 &self.requirements
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	202 }
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46514 diff changeset	203
46545 d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	204 pub fn config(&self) -> &Config {
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	205 &self.config
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	206 }
d7685105e504 rhg: Parse per-repository configuration Simon Sapin <simon.sapin@octobus.net> parents: 46544 diff changeset	207
46167 8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	208 /// For accessing repository files (in `.hg`), except for the store
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	209 /// (`.hg/store`).
46638 1f55cd5b292f rust: Add a log file rotation utility Simon Sapin <simon.sapin@octobus.net> parents: 46632 diff changeset	210 pub fn hg_vfs(&self) -> Vfs<'_> {
46167 8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	211 Vfs { base: &self.dot_hg }
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	212 }
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	213
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	214 /// For accessing repository store files (in `.hg/store`)
46638 1f55cd5b292f rust: Add a log file rotation utility Simon Sapin <simon.sapin@octobus.net> parents: 46632 diff changeset	215 pub fn store_vfs(&self) -> Vfs<'_> {
46167 8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	216 Vfs { base: &self.store }
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	217 }
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	218
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	219 /// For accessing the working copy
46822 c71e8d9e7f2a rhg: Initial support for the 'status' command Georges Racinet <georges.racinet@octobus.net> parents: 46754 diff changeset	220 pub fn working_directory_vfs(&self) -> Vfs<'_> {
46167 8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	221 Vfs {
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	222 base: &self.working_directory,
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	223 }
8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	224 }
46640 755c31a1caf9 rhg: Add support for the blackbox extension Simon Sapin <simon.sapin@octobus.net> parents: 46638 diff changeset	225
47380 bd88b6bfd8da rhg: Add support for dirstate-v2 Simon Sapin <simon.sapin@octobus.net> parents: 46822 diff changeset	226 pub fn has_dirstate_v2(&self) -> bool {
bd88b6bfd8da rhg: Add support for dirstate-v2 Simon Sapin <simon.sapin@octobus.net> parents: 46822 diff changeset	227 self.requirements
bd88b6bfd8da rhg: Add support for dirstate-v2 Simon Sapin <simon.sapin@octobus.net> parents: 46822 diff changeset	228 .contains(requirements::DIRSTATE_V2_REQUIREMENT)
bd88b6bfd8da rhg: Add support for dirstate-v2 Simon Sapin <simon.sapin@octobus.net> parents: 46822 diff changeset	229 }
bd88b6bfd8da rhg: Add support for dirstate-v2 Simon Sapin <simon.sapin@octobus.net> parents: 46822 diff changeset	230
46640 755c31a1caf9 rhg: Add support for the blackbox extension Simon Sapin <simon.sapin@octobus.net> parents: 46638 diff changeset	231 pub fn dirstate_parents(
755c31a1caf9 rhg: Add support for the blackbox extension Simon Sapin <simon.sapin@octobus.net> parents: 46638 diff changeset	232 &self,
755c31a1caf9 rhg: Add support for the blackbox extension Simon Sapin <simon.sapin@octobus.net> parents: 46638 diff changeset	233 ) -> Result<crate::dirstate::DirstateParents, HgError> {
755c31a1caf9 rhg: Add support for the blackbox extension Simon Sapin <simon.sapin@octobus.net> parents: 46638 diff changeset	234 let dirstate = self.hg_vfs().mmap_open("dirstate")?;
47380 bd88b6bfd8da rhg: Add support for dirstate-v2 Simon Sapin <simon.sapin@octobus.net> parents: 46822 diff changeset	235 if dirstate.is_empty() {
bd88b6bfd8da rhg: Add support for dirstate-v2 Simon Sapin <simon.sapin@octobus.net> parents: 46822 diff changeset	236 return Ok(crate::dirstate::DirstateParents::NULL);
bd88b6bfd8da rhg: Add support for dirstate-v2 Simon Sapin <simon.sapin@octobus.net> parents: 46822 diff changeset	237 }
bd88b6bfd8da rhg: Add support for dirstate-v2 Simon Sapin <simon.sapin@octobus.net> parents: 46822 diff changeset	238 let parents = if self.has_dirstate_v2() {
47674 ff97e793ed36 dirstate-v2: Introduce a docket file Simon Sapin <simon.sapin@octobus.net> parents: 47413 diff changeset	239 crate::dirstate_tree::on_disk::read_docket(&dirstate)?.parents()
47380 bd88b6bfd8da rhg: Add support for dirstate-v2 Simon Sapin <simon.sapin@octobus.net> parents: 46822 diff changeset	240 } else {
bd88b6bfd8da rhg: Add support for dirstate-v2 Simon Sapin <simon.sapin@octobus.net> parents: 46822 diff changeset	241 crate::dirstate::parsers::parse_dirstate_parents(&dirstate)?
47674 ff97e793ed36 dirstate-v2: Introduce a docket file Simon Sapin <simon.sapin@octobus.net> parents: 47413 diff changeset	242 .clone()
47380 bd88b6bfd8da rhg: Add support for dirstate-v2 Simon Sapin <simon.sapin@octobus.net> parents: 46822 diff changeset	243 };
47674 ff97e793ed36 dirstate-v2: Introduce a docket file Simon Sapin <simon.sapin@octobus.net> parents: 47413 diff changeset	244 Ok(parents)
46640 755c31a1caf9 rhg: Add support for the blackbox extension Simon Sapin <simon.sapin@octobus.net> parents: 46638 diff changeset	245 }
46167 8a4914397d02 rust: introduce Repo and Vfs types for filesystem abstraction Simon Sapin <simon.sapin@octobus.net> parents: diff changeset	246 }

Mercurial > public > mercurial-scm > hg-stable

annotate rust/hg-core/src/repo.rs @ 47983:e834b79def74