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dependencies = [ "libm", ] +[[package]] +name = "num_threads" +version = "0.1.7" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5c7398b9c8b70908f6371f47ed36737907c87c52af34c268fed0bf0ceb92ead9" +dependencies = [ + "libc", +] + [[package]] name = "object" version = "0.36.0" @@ -1785,6 +2408,12 @@ dependencies = [ "unicode-ident", ] +[[package]] +name = "prodash" +version = "28.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "744a264d26b88a6a7e37cbad97953fa233b94d585236310bcbc88474b4092d79" + [[package]] name = "quote" version = "1.0.36" @@ -2110,6 +2739,33 @@ dependencies = [ "syn", ] +[[package]] +name = "sha1" +version = "0.10.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "e3bf829a2d51ab4a5ddf1352d8470c140cadc8301b2ae1789db023f01cedd6ba" +dependencies = [ + "cfg-if", + "cpufeatures", + "digest", + "sha1-asm", +] + +[[package]] +name = "sha1-asm" +version = "0.5.3" +source = 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+dependencies = [ + "arrayvec", +] + [[package]] name = "unicode-bidi" version = "0.3.15" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "08f95100a766bf4f8f28f90d77e0a5461bbdb219042e7679bebe79004fed8d75" +[[package]] +name = "unicode-bom" +version = "2.0.3" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7eec5d1121208364f6793f7d2e222bf75a915c19557537745b195b253dd64217" + [[package]] name = "unicode-ident" version = "1.0.12" @@ -2845,6 +3518,15 @@ version = "0.52.5" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "bec47e5bfd1bff0eeaf6d8b485cc1074891a197ab4225d504cb7a1ab88b02bf0" +[[package]] +name = "winnow" +version = "0.6.13" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "59b5e5f6c299a3c7890b876a2a587f3115162487e704907d9b6cd29473052ba1" +dependencies = [ + "memchr", +] + [[package]] name = "winsafe" version = "0.0.19" diff --git a/asyncgit/Cargo.toml b/asyncgit/Cargo.toml index 9cf7a1c0..56b7e49c 100644 --- a/asyncgit/Cargo.toml +++ b/asyncgit/Cargo.toml @@ -19,6 +19,7 @@ easy-cast = "0.5" fuzzy-matcher = "0.3" git2 = "0.19" git2-hooks = { path = "../git2-hooks", version = "0.3" } +gix = { version = "0.63", default-features = false, features = ["max-performance", "revision"] } log = "0.4" # git2 = { path = "../../extern/git2-rs", features = ["vendored-openssl"]} # git2 = { git="https://github.com/extrawurst/git2-rs.git", rev="fc13dcc", features = ["vendored-openssl"]} diff --git a/asyncgit/src/error.rs b/asyncgit/src/error.rs index 3dba480b..bc17a5ca 100644 --- a/asyncgit/src/error.rs +++ b/asyncgit/src/error.rs @@ -93,6 +93,24 @@ pub enum Error { #[error("sign error: {0}")] Sign(#[from] crate::sync::sign::SignError), + /// + #[error("gix::open error: {0}")] + GixOpen(#[from] Box), + + /// + #[error("gix::reference::find::existing error: {0}")] + GixReferenceFindExisting( + #[from] gix::reference::find::existing::Error, + ), + + /// + #[error("gix::head::peel::to_commit error: {0}")] + GixHeadPeelToCommit(#[from] gix::head::peel::to_commit::Error), + + /// + #[error("gix::revision::walk error: {0}")] + GixRevisionWalk(#[from] gix::revision::walk::Error), + /// #[error("amend error: config commit.gpgsign=true detected.\ngpg signing is not supported for amending non-last commits")] SignAmendNonLastCommit, @@ -120,3 +138,9 @@ impl From> for Error { Self::Generic(format!("send error: {error}")) } } + +impl From for Error { + fn from(error: gix::open::Error) -> Self { + Self::GixOpen(Box::new(error)) + } +} diff --git a/asyncgit/src/revlog.rs b/asyncgit/src/revlog.rs index 4501c476..6465cf32 100644 --- a/asyncgit/src/revlog.rs +++ b/asyncgit/src/revlog.rs @@ -1,7 +1,8 @@ use crate::{ error::Result, sync::{ - repo, CommitId, LogWalker, RepoPath, SharedCommitFilterFn, + repo, CommitId, LogWalker, LogWalkerWithoutFilter, RepoPath, + SharedCommitFilterFn, }, AsyncGitNotification, Error, }; @@ -198,6 +199,34 @@ impl AsyncLog { arc_background: &Arc, sender: &Sender, filter: Option, + ) -> Result<()> { + filter.map_or_else( + || { + Self::fetch_helper_without_filter( + repo_path, + arc_current, + arc_background, + sender, + ) + }, + |filter| { + Self::fetch_helper_with_filter( + repo_path, + arc_current, + arc_background, + sender, + filter, + ) + }, + ) + } + + fn fetch_helper_with_filter( + repo_path: &RepoPath, + arc_current: &Arc>, + arc_background: &Arc, + sender: &Sender, + filter: SharedCommitFilterFn, ) -> Result<()> { let start_time = Instant::now(); @@ -206,7 +235,50 @@ impl AsyncLog { let r = repo(repo_path)?; let mut walker = - LogWalker::new(&r, LIMIT_COUNT)?.filter(filter); + LogWalker::new(&r, LIMIT_COUNT)?.filter(Some(filter)); + + loop { + entries.clear(); + let read = walker.read(&mut entries)?; + + let mut current = arc_current.lock()?; + current.commits.extend(entries.iter()); + current.duration = start_time.elapsed(); + + if read == 0 { + break; + } + Self::notify(sender); + + let sleep_duration = + if arc_background.load(Ordering::Relaxed) { + SLEEP_BACKGROUND + } else { + SLEEP_FOREGROUND + }; + + thread::sleep(sleep_duration); + } + + log::trace!("revlog visited: {}", walker.visited()); + + Ok(()) + } + + fn fetch_helper_without_filter( + repo_path: &RepoPath, + arc_current: &Arc>, + arc_background: &Arc, + sender: &Sender, + ) -> Result<()> { + let start_time = Instant::now(); + + let mut entries = vec![CommitId::default(); LIMIT_COUNT]; + entries.resize(0, CommitId::default()); + + let mut repo = gix::open(repo_path.gitpath())?; + let mut walker = + LogWalkerWithoutFilter::new(&mut repo, LIMIT_COUNT)?; loop { entries.clear(); diff --git a/asyncgit/src/sync/logwalker.rs b/asyncgit/src/sync/logwalker.rs index b13a9e5a..99fe2f93 100644 --- a/asyncgit/src/sync/logwalker.rs +++ b/asyncgit/src/sync/logwalker.rs @@ -2,6 +2,7 @@ use super::{CommitId, SharedCommitFilterFn}; use crate::error::Result; use git2::{Commit, Oid, Repository}; +use gix::{revision::Walk, traverse::commit::simple::Sorting}; use std::{ cmp::Ordering, collections::{BinaryHeap, HashSet}, @@ -108,6 +109,78 @@ impl<'a> LogWalker<'a> { } } +/// This is separate from `LogWalker` because filtering currently (June 2024) works through +/// `SharedCommitFilterFn`. +/// +/// `SharedCommitFilterFn` requires access to a `git2::repo::Repository` because, under the hood, +/// it calls into functions that work with a `git2::repo::Repository`. It seems unwise to open a +/// repo both through `gix::open` and `Repository::open_ext` at the same time, so there is a +/// separate struct that works with `gix::Repository` only. +/// +/// A more long-term option is to refactor filtering to work with a `gix::Repository` and to remove +/// `LogWalker` once this is done, but this is a larger effort. +pub struct LogWalkerWithoutFilter<'a> { + walk: Walk<'a>, + limit: usize, + visited: usize, +} + +impl<'a> LogWalkerWithoutFilter<'a> { + /// + pub fn new( + repo: &'a mut gix::Repository, + limit: usize, + ) -> Result { + // This seems to be an object cache size that yields optimal performance. There’s no specific + // reason this is 2^14, so benchmarking might reveal that there’s better values. + repo.object_cache_size_if_unset(2_usize.pow(14)); + + let commit = repo.head()?.peel_to_commit_in_place()?; + + let tips = [commit.id]; + + let platform = repo + .rev_walk(tips) + .sorting(Sorting::ByCommitTimeNewestFirst) + .use_commit_graph(false); + + let walk = platform.all()?; + + Ok(Self { + walk, + limit, + visited: 0, + }) + } + + /// + pub const fn visited(&self) -> usize { + self.visited + } + + /// + pub fn read(&mut self, out: &mut Vec) -> Result { + let mut count = 0_usize; + + while let Some(Ok(info)) = self.walk.next() { + let bytes = info.id.as_bytes(); + let commit_id: CommitId = Oid::from_bytes(bytes)?.into(); + + out.push(commit_id); + + count += 1; + + if count == self.limit { + break; + } + } + + self.visited += count; + + Ok(count) + } +} + #[cfg(test)] mod tests { use super::*; @@ -183,6 +256,40 @@ mod tests { Ok(()) } + #[test] + fn test_logwalker_without_filter() -> Result<()> { + let file_path = Path::new("foo"); + let (_td, repo) = repo_init_empty().unwrap(); + let root = repo.path().parent().unwrap(); + let repo_path: &RepoPath = + &root.as_os_str().to_str().unwrap().into(); + + File::create(root.join(file_path))?.write_all(b"a")?; + stage_add_file(repo_path, file_path).unwrap(); + commit(repo_path, "commit1").unwrap(); + File::create(root.join(file_path))?.write_all(b"a")?; + stage_add_file(repo_path, file_path).unwrap(); + let oid2 = commit(repo_path, "commit2").unwrap(); + + let mut repo = gix::open(repo_path.gitpath()).unwrap(); + let mut walk = LogWalkerWithoutFilter::new(&mut repo, 100)?; + let mut items = Vec::new(); + assert!(matches!(walk.read(&mut items), Ok(2))); + + let info = get_commits_info(repo_path, &items, 50).unwrap(); + dbg!(&info); + + assert_eq!(items.len(), 2); + assert_eq!(items[0], oid2); + + let mut items = Vec::new(); + assert!(matches!(walk.read(&mut items), Ok(0))); + + assert_eq!(items.len(), 0); + + Ok(()) + } + #[test] fn test_logwalker_with_filter() -> Result<()> { let file_path = Path::new("foo"); diff --git a/asyncgit/src/sync/mod.rs b/asyncgit/src/sync/mod.rs index 4312ff7f..3a27c4a8 100644 --- a/asyncgit/src/sync/mod.rs +++ b/asyncgit/src/sync/mod.rs @@ -71,7 +71,7 @@ pub use hooks::{ }; pub use hunks::{reset_hunk, stage_hunk, unstage_hunk}; pub use ignore::add_to_ignore; -pub use logwalker::LogWalker; +pub use logwalker::{LogWalker, LogWalkerWithoutFilter}; pub use merge::{ abort_pending_rebase, abort_pending_state, continue_pending_rebase, merge_branch, merge_commit, merge_msg,