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

annotate rust/hg-core/src/requirements.rs @ 46630:842f2372ced6

rhg: Don?t attempt to read persistent nodemap without .hg/requires opt-in Differential Revision: https://phab.mercurial-scm.org/D10077

author	Simon Sapin <simon.sapin@octobus.net>
date	Thu, 25 Feb 2021 21:29:12 +0100
parents	a069639783a0
children	0abf5eba0042

rev	line source
46443 43d63979a75e rust: use HgError in RevlogError and Vfs Simon Sapin <simon.sapin@octobus.net> parents: 46442 diff changeset	1 use crate::errors::{HgError, HgResultExt};
46462 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	2 use crate::repo::{Repo, Vfs};
46614 a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	3 use crate::utils::join_display;
46462 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	4 use std::collections::HashSet;
45924 a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	5
46462 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	6 fn parse(bytes: &[u8]) -> Result<HashSet<String>, HgError> {
45924 a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	7 // The Python code reading this file uses `str.splitlines`
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	8 // which looks for a number of line separators (even including a couple of
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	9 // non-ASCII ones), but Python code writing it always uses `\n`.
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	10 let lines = bytes.split(\|&byte\| byte == b'\n');
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	11
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	12 lines
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	13 .filter(\|line\| !line.is_empty())
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	14 .map(\|line\| {
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	15 // Python uses Unicode `str.isalnum` but feature names are all
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	16 // ASCII
45938 f5d62f4d5327 rhg: check that .hg/requires is ASCII Simon Sapin <simon-commits@exyr.org> parents: 45937 diff changeset	17 if line[0].is_ascii_alphanumeric() && line.is_ascii() {
45924 a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	18 Ok(String::from_utf8(line.into()).unwrap())
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	19 } else {
46442 02d3bb972121 rust: replace RequirementsError with HgError Simon Sapin <simon.sapin@octobus.net> parents: 46167 diff changeset	20 Err(HgError::corrupted("parse error in 'requires' file"))
45924 a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	21 }
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	22 })
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	23 .collect()
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	24 }
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	25
46463 95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46462 diff changeset	26 pub(crate) fn load(hg_vfs: Vfs) -> Result<HashSet<String>, HgError> {
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46462 diff changeset	27 parse(&hg_vfs.read("requires")?)
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46462 diff changeset	28 }
95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46462 diff changeset	29
46462 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	30 pub(crate) fn load_if_exists(hg_vfs: Vfs) -> Result<HashSet<String>, HgError> {
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	31 if let Some(bytes) = hg_vfs.read("requires").io_not_found_as_none()? {
46442 02d3bb972121 rust: replace RequirementsError with HgError Simon Sapin <simon.sapin@octobus.net> parents: 46167 diff changeset	32 parse(&bytes)
02d3bb972121 rust: replace RequirementsError with HgError Simon Sapin <simon.sapin@octobus.net> parents: 46167 diff changeset	33 } else {
45924 a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	34 // Treat a missing file the same as an empty file.
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	35 // From `mercurial/localrepo.py`:
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	36 // > requires file contains a newline-delimited list of
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	37 // > features/capabilities the opener (us) must have in order to use
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	38 // > the repository. This file was introduced in Mercurial 0.9.2,
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	39 // > which means very old repositories may not have one. We assume
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	40 // > a missing file translates to no requirements.
46462 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	41 Ok(HashSet::new())
45924 a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	42 }
a2eda1ff22aa requirements: move loading to hg-core and add parsing Simon Sapin <simon-commits@exyr.org> parents: diff changeset	43 }
45937 2ad2745e0be9 rhg: exit with relevant code for unsupported requirements Simon Sapin <simon-commits@exyr.org> parents: 45924 diff changeset	44
46462 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	45 pub(crate) fn check(repo: &Repo) -> Result<(), HgError> {
46614 a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	46 let unknown: Vec<_> = repo
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	47 .requirements()
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	48 .iter()
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	49 .map(String::as_str)
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	50 // .filter(\|feature\| !ALL_SUPPORTED.contains(feature.as_str()))
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	51 .filter(\|feature\| {
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	52 !REQUIRED.contains(feature) && !SUPPORTED.contains(feature)
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	53 })
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	54 .collect();
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	55 if !unknown.is_empty() {
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	56 return Err(HgError::unsupported(format!(
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	57 "repository requires feature unknown to this Mercurial: {}",
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	58 join_display(&unknown, ", ")
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	59 )));
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	60 }
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	61 let missing: Vec<_> = REQUIRED
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	62 .iter()
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	63 .filter(\|&&feature\| !repo.requirements().contains(feature))
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	64 .collect();
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	65 if !missing.is_empty() {
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	66 return Err(HgError::unsupported(format!(
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	67 "repository is missing feature required by this Mercurial: {}",
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	68 join_display(&missing, ", ")
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	69 )));
45937 2ad2745e0be9 rhg: exit with relevant code for unsupported requirements Simon Sapin <simon-commits@exyr.org> parents: 45924 diff changeset	70 }
2ad2745e0be9 rhg: exit with relevant code for unsupported requirements Simon Sapin <simon-commits@exyr.org> parents: 45924 diff changeset	71 Ok(())
2ad2745e0be9 rhg: exit with relevant code for unsupported requirements Simon Sapin <simon-commits@exyr.org> parents: 45924 diff changeset	72 }
2ad2745e0be9 rhg: exit with relevant code for unsupported requirements Simon Sapin <simon-commits@exyr.org> parents: 45924 diff changeset	73
46614 a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	74 /// rhg does not support repositories that are missing any of these features
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	75 const REQUIRED: &[&str] = &["revlogv1", "store", "fncache", "dotencode"];
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	76
a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	77 /// rhg supports repository with or without these
45937 2ad2745e0be9 rhg: exit with relevant code for unsupported requirements Simon Sapin <simon-commits@exyr.org> parents: 45924 diff changeset	78 const SUPPORTED: &[&str] = &[
2ad2745e0be9 rhg: exit with relevant code for unsupported requirements Simon Sapin <simon-commits@exyr.org> parents: 45924 diff changeset	79 "generaldelta",
46462 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	80 SHARED_REQUIREMENT,
46463 95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46462 diff changeset	81 SHARESAFE_REQUIREMENT,
46462 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	82 SPARSEREVLOG_REQUIREMENT,
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	83 RELATIVE_SHARED_REQUIREMENT,
46090 9eb07ab3f2d4 rhg: use persistent nodemap when available Simon Sapin <simon-commits@exyr.org> parents: 45956 diff changeset	84 // As of this writing everything rhg does is read-only.
9eb07ab3f2d4 rhg: use persistent nodemap when available Simon Sapin <simon-commits@exyr.org> parents: 45956 diff changeset	85 // When it starts writing to the repository, it’ll need to either keep the
9eb07ab3f2d4 rhg: use persistent nodemap when available Simon Sapin <simon-commits@exyr.org> parents: 45956 diff changeset	86 // persistent nodemap up to date or remove this entry:
46614 a069639783a0 rhg: Check .hg/requires for absence of required features Simon Sapin <simon.sapin@octobus.net> parents: 46463 diff changeset	87 NODEMAP_REQUIREMENT,
45937 2ad2745e0be9 rhg: exit with relevant code for unsupported requirements Simon Sapin <simon-commits@exyr.org> parents: 45924 diff changeset	88 ];
46462 d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	89
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	90 // Copied from mercurial/requirements.py:
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	91
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	92 /// When narrowing is finalized and no longer subject to format changes,
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	93 /// we should move this to just "narrow" or similar.
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	94 #[allow(unused)]
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	95 pub(crate) const NARROW_REQUIREMENT: &str = "narrowhg-experimental";
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	96
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	97 /// Enables sparse working directory usage
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	98 #[allow(unused)]
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	99 pub(crate) const SPARSE_REQUIREMENT: &str = "exp-sparse";
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	100
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	101 /// Enables the internal phase which is used to hide changesets instead
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	102 /// of stripping them
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	103 #[allow(unused)]
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	104 pub(crate) const INTERNAL_PHASE_REQUIREMENT: &str = "internal-phase";
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	105
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	106 /// Stores manifest in Tree structure
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	107 #[allow(unused)]
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	108 pub(crate) const TREEMANIFEST_REQUIREMENT: &str = "treemanifest";
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	109
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	110 /// Increment the sub-version when the revlog v2 format changes to lock out old
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	111 /// clients.
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	112 #[allow(unused)]
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	113 pub(crate) const REVLOGV2_REQUIREMENT: &str = "exp-revlogv2.1";
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	114
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	115 /// A repository with the sparserevlog feature will have delta chains that
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	116 /// can spread over a larger span. Sparse reading cuts these large spans into
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	117 /// pieces, so that each piece isn't too big.
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	118 /// Without the sparserevlog capability, reading from the repository could use
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	119 /// huge amounts of memory, because the whole span would be read at once,
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	120 /// including all the intermediate revisions that aren't pertinent for the
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	121 /// chain. This is why once a repository has enabled sparse-read, it becomes
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	122 /// required.
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	123 #[allow(unused)]
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	124 pub(crate) const SPARSEREVLOG_REQUIREMENT: &str = "sparserevlog";
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	125
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	126 /// A repository with the sidedataflag requirement will allow to store extra
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	127 /// information for revision without altering their original hashes.
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	128 #[allow(unused)]
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	129 pub(crate) const SIDEDATA_REQUIREMENT: &str = "exp-sidedata-flag";
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	130
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	131 /// A repository with the the copies-sidedata-changeset requirement will store
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	132 /// copies related information in changeset's sidedata.
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	133 #[allow(unused)]
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	134 pub(crate) const COPIESSDC_REQUIREMENT: &str = "exp-copies-sidedata-changeset";
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	135
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	136 /// The repository use persistent nodemap for the changelog and the manifest.
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	137 #[allow(unused)]
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	138 pub(crate) const NODEMAP_REQUIREMENT: &str = "persistent-nodemap";
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	139
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	140 /// Denotes that the current repository is a share
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	141 #[allow(unused)]
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	142 pub(crate) const SHARED_REQUIREMENT: &str = "shared";
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	143
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	144 /// Denotes that current repository is a share and the shared source path is
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	145 /// relative to the current repository root path
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	146 #[allow(unused)]
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	147 pub(crate) const RELATIVE_SHARED_REQUIREMENT: &str = "relshared";
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	148
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	149 /// A repository with share implemented safely. The repository has different
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	150 /// store and working copy requirements i.e. both `.hg/requires` and
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	151 /// `.hg/store/requires` are present.
d03b0601e0eb rhg: initial support for shared repositories Simon Sapin <simon.sapin@octobus.net> parents: 46443 diff changeset	152 #[allow(unused)]
46463 95b276283b67 rhg: add support for share-safe Simon Sapin <simon.sapin@octobus.net> parents: 46462 diff changeset	153 pub(crate) const SHARESAFE_REQUIREMENT: &str = "share-safe";

Mercurial > public > mercurial-scm > hg

annotate rust/hg-core/src/requirements.rs @ 46630:842f2372ced6