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comparison rust/hg-core/src/repo.rs @ 47960:cfb6e6699b25

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rust: Add Repo::manifest(revision) This deduplicates some common code. Differential Revision: https://phab.mercurial-scm.org/D11407
author Simon Sapin <simon.sapin@octobus.net>
date Mon, 13 Sep 2021 13:45:10 +0200
parents 21d25e9ee58e
children 4d2a5ca060e3
comparison
equal deleted inserted replaced
47959:21d25e9ee58e 47960:cfb6e6699b25
3 use crate::dirstate::DirstateParents; 3 use crate::dirstate::DirstateParents;
4 use crate::dirstate_tree::dirstate_map::DirstateMap; 4 use crate::dirstate_tree::dirstate_map::DirstateMap;
5 use crate::dirstate_tree::owning::OwningDirstateMap; 5 use crate::dirstate_tree::owning::OwningDirstateMap;
6 use crate::errors::HgError; 6 use crate::errors::HgError;
7 use crate::errors::HgResultExt; 7 use crate::errors::HgResultExt;
8 use crate::exit_codes; 8 use crate::manifest::{Manifest, Manifestlog};
9 use crate::manifest::Manifestlog;
10 use crate::requirements; 9 use crate::requirements;
11 use crate::revlog::revlog::RevlogError; 10 use crate::revlog::revlog::RevlogError;
12 use crate::utils::files::get_path_from_bytes; 11 use crate::utils::files::get_path_from_bytes;
13 use crate::utils::SliceExt; 12 use crate::utils::SliceExt;
14 use crate::vfs::{is_dir, is_file, Vfs}; 13 use crate::vfs::{is_dir, is_file, Vfs};
15 use crate::DirstateError; 14 use crate::{exit_codes, Node};
15 use crate::{DirstateError, Revision};
16 use std::cell::{Cell, Ref, RefCell, RefMut}; 16 use std::cell::{Cell, Ref, RefCell, RefMut};
17 use std::collections::HashSet; 17 use std::collections::HashSet;
18 use std::path::{Path, PathBuf}; 18 use std::path::{Path, PathBuf};
19 19
20 /// A repository on disk 20 /// A repository on disk
331 } 331 }
332 332
333 pub fn manifestlog_mut(&self) -> Result<RefMut<Manifestlog>, RevlogError> { 333 pub fn manifestlog_mut(&self) -> Result<RefMut<Manifestlog>, RevlogError> {
334 self.manifestlog.get_mut_or_init(self) 334 self.manifestlog.get_mut_or_init(self)
335 } 335 }
336
337 /// Returns the manifest of the given revision
338 pub fn manifest(
339 &self,
340 revision: Revision,
341 ) -> Result<Manifest, RevlogError> {
342 let changelog = self.changelog()?;
343 let manifest = self.manifestlog()?;
344 let changelog_entry = changelog.get_rev(revision)?;
345 let manifest_node =
346 Node::from_hex_for_repo(&changelog_entry.manifest_node()?)?;
347 manifest.get_node(manifest_node.into())
348 }
336 } 349 }
337 350
338 /// Lazily-initialized component of `Repo` with interior mutability 351 /// Lazily-initialized component of `Repo` with interior mutability
339 /// 352 ///
340 /// This differs from `OnceCell` in that the value can still be "deinitialized" 353 /// This differs from `OnceCell` in that the value can still be "deinitialized"