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// list_tracked_files.rs
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//
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// Copyright 2020 Antoine Cezar <antoine.cezar@octobus.net>
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//
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// This software may be used and distributed according to the terms of the
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// GNU General Public License version 2 or any later version.
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use crate::dirstate::parsers::parse_dirstate;
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use crate::errors::HgError;
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use crate::repo::Repo;
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use crate::revlog::changelog::Changelog;
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use crate::revlog::manifest::{Manifest, ManifestEntry};
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use crate::revlog::node::Node;
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use crate::revlog::revlog::RevlogError;
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use crate::utils::hg_path::HgPath;
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use crate::EntryState;
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use rayon::prelude::*;
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/// List files under Mercurial control in the working directory
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/// by reading the dirstate
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pub struct Dirstate {
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/// The `dirstate` content.
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content: Vec<u8>,
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}
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impl Dirstate {
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pub fn new(repo: &Repo) -> Result<Self, HgError> {
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let content = repo.hg_vfs().read("dirstate")?;
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Ok(Self { content })
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}
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pub fn tracked_files(&self) -> Result<Vec<&HgPath>, HgError> {
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let (_, entries, _) = parse_dirstate(&self.content)?;
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let mut files: Vec<&HgPath> = entries
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.into_iter()
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.filter_map(|(path, entry)| match entry.state {
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EntryState::Removed => None,
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_ => Some(path),
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})
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.collect();
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files.par_sort_unstable();
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Ok(files)
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}
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}
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/// List files under Mercurial control at a given revision.
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pub fn list_rev_tracked_files(
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repo: &Repo,
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revset: &str,
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) -> Result<FilesForRev, RevlogError> {
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let rev = crate::revset::resolve_single(revset, repo)?;
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let changelog = Changelog::open(repo)?;
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let manifest = Manifest::open(repo)?;
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let changelog_entry = changelog.get_rev(rev)?;
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let manifest_node =
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Node::from_hex_for_repo(&changelog_entry.manifest_node()?)?;
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let manifest_entry = manifest.get_node(manifest_node.into())?;
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Ok(FilesForRev(manifest_entry))
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}
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pub struct FilesForRev(ManifestEntry);
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impl FilesForRev {
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pub fn iter(&self) -> impl Iterator<Item = &HgPath> {
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self.0.files()
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}
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}
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