623 lines
20 KiB
Rust
623 lines
20 KiB
Rust
use crate::{FakeFs, FakeFsEntry, Fs};
|
|
use anyhow::{Context as _, Result};
|
|
use collections::{HashMap, HashSet};
|
|
use futures::future::{self, BoxFuture, join_all};
|
|
use git::{
|
|
Oid,
|
|
blame::Blame,
|
|
repository::{
|
|
AskPassDelegate, Branch, CommitDetails, CommitOptions, FetchOptions, GitRepository,
|
|
GitRepositoryCheckpoint, PushOptions, Remote, RepoPath, ResetMode,
|
|
},
|
|
status::{FileStatus, GitStatus, StatusCode, TrackedStatus, UnmergedStatus},
|
|
};
|
|
use gpui::{AsyncApp, BackgroundExecutor, SharedString, Task};
|
|
use ignore::gitignore::GitignoreBuilder;
|
|
use parking_lot::Mutex;
|
|
use rope::Rope;
|
|
use smol::future::FutureExt as _;
|
|
use std::{path::PathBuf, sync::Arc};
|
|
|
|
#[derive(Clone)]
|
|
pub struct FakeGitRepository {
|
|
pub(crate) fs: Arc<FakeFs>,
|
|
pub(crate) checkpoints: Arc<Mutex<HashMap<Oid, FakeFsEntry>>>,
|
|
pub(crate) executor: BackgroundExecutor,
|
|
pub(crate) dot_git_path: PathBuf,
|
|
pub(crate) repository_dir_path: PathBuf,
|
|
pub(crate) common_dir_path: PathBuf,
|
|
}
|
|
|
|
#[derive(Debug, Clone)]
|
|
pub struct FakeGitRepositoryState {
|
|
pub event_emitter: smol::channel::Sender<PathBuf>,
|
|
pub unmerged_paths: HashMap<RepoPath, UnmergedStatus>,
|
|
pub head_contents: HashMap<RepoPath, String>,
|
|
pub index_contents: HashMap<RepoPath, String>,
|
|
pub blames: HashMap<RepoPath, Blame>,
|
|
pub current_branch_name: Option<String>,
|
|
pub branches: HashSet<String>,
|
|
pub simulated_index_write_error_message: Option<String>,
|
|
pub refs: HashMap<String, String>,
|
|
}
|
|
|
|
impl FakeGitRepositoryState {
|
|
pub fn new(event_emitter: smol::channel::Sender<PathBuf>) -> Self {
|
|
FakeGitRepositoryState {
|
|
event_emitter,
|
|
head_contents: Default::default(),
|
|
index_contents: Default::default(),
|
|
unmerged_paths: Default::default(),
|
|
blames: Default::default(),
|
|
current_branch_name: Default::default(),
|
|
branches: Default::default(),
|
|
simulated_index_write_error_message: Default::default(),
|
|
refs: HashMap::from_iter([("HEAD".into(), "abc".into())]),
|
|
}
|
|
}
|
|
}
|
|
|
|
impl FakeGitRepository {
|
|
fn with_state_async<F, T>(&self, write: bool, f: F) -> BoxFuture<'static, Result<T>>
|
|
where
|
|
F: 'static + Send + FnOnce(&mut FakeGitRepositoryState) -> Result<T>,
|
|
T: Send,
|
|
{
|
|
let fs = self.fs.clone();
|
|
let executor = self.executor.clone();
|
|
let dot_git_path = self.dot_git_path.clone();
|
|
async move {
|
|
executor.simulate_random_delay().await;
|
|
fs.with_git_state(&dot_git_path, write, f)?
|
|
}
|
|
.boxed()
|
|
}
|
|
}
|
|
|
|
impl GitRepository for FakeGitRepository {
|
|
fn reload_index(&self) {}
|
|
|
|
fn load_index_text(&self, path: RepoPath) -> BoxFuture<'_, Option<String>> {
|
|
async {
|
|
self.with_state_async(false, move |state| {
|
|
state
|
|
.index_contents
|
|
.get(path.as_ref())
|
|
.context("not present in index")
|
|
.cloned()
|
|
})
|
|
.await
|
|
.ok()
|
|
}
|
|
.boxed()
|
|
}
|
|
|
|
fn load_committed_text(&self, path: RepoPath) -> BoxFuture<'_, Option<String>> {
|
|
async {
|
|
self.with_state_async(false, move |state| {
|
|
state
|
|
.head_contents
|
|
.get(path.as_ref())
|
|
.context("not present in HEAD")
|
|
.cloned()
|
|
})
|
|
.await
|
|
.ok()
|
|
}
|
|
.boxed()
|
|
}
|
|
|
|
fn load_commit(
|
|
&self,
|
|
_commit: String,
|
|
_cx: AsyncApp,
|
|
) -> BoxFuture<'_, Result<git::repository::CommitDiff>> {
|
|
unimplemented!()
|
|
}
|
|
|
|
fn set_index_text(
|
|
&self,
|
|
path: RepoPath,
|
|
content: Option<String>,
|
|
_env: Arc<HashMap<String, String>>,
|
|
) -> BoxFuture<'_, anyhow::Result<()>> {
|
|
self.with_state_async(true, move |state| {
|
|
if let Some(message) = &state.simulated_index_write_error_message {
|
|
anyhow::bail!("{message}");
|
|
} else if let Some(content) = content {
|
|
state.index_contents.insert(path, content);
|
|
} else {
|
|
state.index_contents.remove(&path);
|
|
}
|
|
Ok(())
|
|
})
|
|
}
|
|
|
|
fn remote_url(&self, _name: &str) -> Option<String> {
|
|
None
|
|
}
|
|
|
|
fn revparse_batch(&self, revs: Vec<String>) -> BoxFuture<'_, Result<Vec<Option<String>>>> {
|
|
self.with_state_async(false, |state| {
|
|
Ok(revs
|
|
.into_iter()
|
|
.map(|rev| state.refs.get(&rev).cloned())
|
|
.collect())
|
|
})
|
|
}
|
|
|
|
fn show(&self, commit: String) -> BoxFuture<'_, Result<CommitDetails>> {
|
|
async {
|
|
Ok(CommitDetails {
|
|
sha: commit.into(),
|
|
..Default::default()
|
|
})
|
|
}
|
|
.boxed()
|
|
}
|
|
|
|
fn reset(
|
|
&self,
|
|
_commit: String,
|
|
_mode: ResetMode,
|
|
_env: Arc<HashMap<String, String>>,
|
|
) -> BoxFuture<'_, Result<()>> {
|
|
unimplemented!()
|
|
}
|
|
|
|
fn checkout_files(
|
|
&self,
|
|
_commit: String,
|
|
_paths: Vec<RepoPath>,
|
|
_env: Arc<HashMap<String, String>>,
|
|
) -> BoxFuture<'_, Result<()>> {
|
|
unimplemented!()
|
|
}
|
|
|
|
fn path(&self) -> PathBuf {
|
|
self.repository_dir_path.clone()
|
|
}
|
|
|
|
fn main_repository_path(&self) -> PathBuf {
|
|
self.common_dir_path.clone()
|
|
}
|
|
|
|
fn merge_message(&self) -> BoxFuture<'_, Option<String>> {
|
|
async move { None }.boxed()
|
|
}
|
|
|
|
fn status(&self, path_prefixes: &[RepoPath]) -> Task<Result<GitStatus>> {
|
|
let workdir_path = self.dot_git_path.parent().unwrap();
|
|
|
|
// Load gitignores
|
|
let ignores = workdir_path
|
|
.ancestors()
|
|
.filter_map(|dir| {
|
|
let ignore_path = dir.join(".gitignore");
|
|
let content = self.fs.read_file_sync(ignore_path).ok()?;
|
|
let content = String::from_utf8(content).ok()?;
|
|
let mut builder = GitignoreBuilder::new(dir);
|
|
for line in content.lines() {
|
|
builder.add_line(Some(dir.into()), line).ok()?;
|
|
}
|
|
builder.build().ok()
|
|
})
|
|
.collect::<Vec<_>>();
|
|
|
|
// Load working copy files.
|
|
let git_files: HashMap<RepoPath, (String, bool)> = self
|
|
.fs
|
|
.files()
|
|
.iter()
|
|
.filter_map(|path| {
|
|
// TODO better simulate git status output in the case of submodules and worktrees
|
|
let repo_path = path.strip_prefix(workdir_path).ok()?;
|
|
let mut is_ignored = repo_path.starts_with(".git");
|
|
for ignore in &ignores {
|
|
match ignore.matched_path_or_any_parents(path, false) {
|
|
ignore::Match::None => {}
|
|
ignore::Match::Ignore(_) => is_ignored = true,
|
|
ignore::Match::Whitelist(_) => break,
|
|
}
|
|
}
|
|
let content = self
|
|
.fs
|
|
.read_file_sync(path)
|
|
.ok()
|
|
.map(|content| String::from_utf8(content).unwrap())?;
|
|
Some((repo_path.into(), (content, is_ignored)))
|
|
})
|
|
.collect();
|
|
|
|
let result = self.fs.with_git_state(&self.dot_git_path, false, |state| {
|
|
let mut entries = Vec::new();
|
|
let paths = state
|
|
.head_contents
|
|
.keys()
|
|
.chain(state.index_contents.keys())
|
|
.chain(git_files.keys())
|
|
.collect::<HashSet<_>>();
|
|
for path in paths {
|
|
if !path_prefixes.iter().any(|prefix| path.starts_with(prefix)) {
|
|
continue;
|
|
}
|
|
|
|
let head = state.head_contents.get(path);
|
|
let index = state.index_contents.get(path);
|
|
let unmerged = state.unmerged_paths.get(path);
|
|
let fs = git_files.get(path);
|
|
let status = match (unmerged, head, index, fs) {
|
|
(Some(unmerged), _, _, _) => FileStatus::Unmerged(*unmerged),
|
|
(_, Some(head), Some(index), Some((fs, _))) => {
|
|
FileStatus::Tracked(TrackedStatus {
|
|
index_status: if head == index {
|
|
StatusCode::Unmodified
|
|
} else {
|
|
StatusCode::Modified
|
|
},
|
|
worktree_status: if fs == index {
|
|
StatusCode::Unmodified
|
|
} else {
|
|
StatusCode::Modified
|
|
},
|
|
})
|
|
}
|
|
(_, Some(head), Some(index), None) => FileStatus::Tracked(TrackedStatus {
|
|
index_status: if head == index {
|
|
StatusCode::Unmodified
|
|
} else {
|
|
StatusCode::Modified
|
|
},
|
|
worktree_status: StatusCode::Deleted,
|
|
}),
|
|
(_, Some(_), None, Some(_)) => FileStatus::Tracked(TrackedStatus {
|
|
index_status: StatusCode::Deleted,
|
|
worktree_status: StatusCode::Added,
|
|
}),
|
|
(_, Some(_), None, None) => FileStatus::Tracked(TrackedStatus {
|
|
index_status: StatusCode::Deleted,
|
|
worktree_status: StatusCode::Deleted,
|
|
}),
|
|
(_, None, Some(index), Some((fs, _))) => FileStatus::Tracked(TrackedStatus {
|
|
index_status: StatusCode::Added,
|
|
worktree_status: if fs == index {
|
|
StatusCode::Unmodified
|
|
} else {
|
|
StatusCode::Modified
|
|
},
|
|
}),
|
|
(_, None, Some(_), None) => FileStatus::Tracked(TrackedStatus {
|
|
index_status: StatusCode::Added,
|
|
worktree_status: StatusCode::Deleted,
|
|
}),
|
|
(_, None, None, Some((_, is_ignored))) => {
|
|
if *is_ignored {
|
|
continue;
|
|
}
|
|
FileStatus::Untracked
|
|
}
|
|
(_, None, None, None) => {
|
|
unreachable!();
|
|
}
|
|
};
|
|
if status
|
|
!= FileStatus::Tracked(TrackedStatus {
|
|
index_status: StatusCode::Unmodified,
|
|
worktree_status: StatusCode::Unmodified,
|
|
})
|
|
{
|
|
entries.push((path.clone(), status));
|
|
}
|
|
}
|
|
entries.sort_by(|a, b| a.0.cmp(&b.0));
|
|
anyhow::Ok(GitStatus {
|
|
entries: entries.into(),
|
|
})
|
|
});
|
|
Task::ready(match result {
|
|
Ok(result) => result,
|
|
Err(e) => Err(e),
|
|
})
|
|
}
|
|
|
|
fn stash_entries(&self) -> BoxFuture<'_, Result<git::stash::GitStash>> {
|
|
async { Ok(git::stash::GitStash::default()) }.boxed()
|
|
}
|
|
|
|
fn branches(&self) -> BoxFuture<'_, Result<Vec<Branch>>> {
|
|
self.with_state_async(false, move |state| {
|
|
let current_branch = &state.current_branch_name;
|
|
Ok(state
|
|
.branches
|
|
.iter()
|
|
.map(|branch_name| Branch {
|
|
is_head: Some(branch_name) == current_branch.as_ref(),
|
|
ref_name: branch_name.into(),
|
|
most_recent_commit: None,
|
|
upstream: None,
|
|
})
|
|
.collect())
|
|
})
|
|
}
|
|
|
|
fn change_branch(&self, name: String) -> BoxFuture<'_, Result<()>> {
|
|
self.with_state_async(true, |state| {
|
|
state.current_branch_name = Some(name);
|
|
Ok(())
|
|
})
|
|
}
|
|
|
|
fn create_branch(&self, name: String) -> BoxFuture<'_, Result<()>> {
|
|
self.with_state_async(true, move |state| {
|
|
state.branches.insert(name);
|
|
Ok(())
|
|
})
|
|
}
|
|
|
|
fn blame(&self, path: RepoPath, _content: Rope) -> BoxFuture<'_, Result<git::blame::Blame>> {
|
|
self.with_state_async(false, move |state| {
|
|
state
|
|
.blames
|
|
.get(&path)
|
|
.with_context(|| format!("failed to get blame for {:?}", path.0))
|
|
.cloned()
|
|
})
|
|
}
|
|
|
|
fn stage_paths(
|
|
&self,
|
|
paths: Vec<RepoPath>,
|
|
_env: Arc<HashMap<String, String>>,
|
|
) -> BoxFuture<'_, Result<()>> {
|
|
Box::pin(async move {
|
|
let contents = paths
|
|
.into_iter()
|
|
.map(|path| {
|
|
let abs_path = self.dot_git_path.parent().unwrap().join(&path);
|
|
Box::pin(async move { (path.clone(), self.fs.load(&abs_path).await.ok()) })
|
|
})
|
|
.collect::<Vec<_>>();
|
|
let contents = join_all(contents).await;
|
|
self.with_state_async(true, move |state| {
|
|
for (path, content) in contents {
|
|
if let Some(content) = content {
|
|
state.index_contents.insert(path, content);
|
|
} else {
|
|
state.index_contents.remove(&path);
|
|
}
|
|
}
|
|
Ok(())
|
|
})
|
|
.await
|
|
})
|
|
}
|
|
|
|
fn unstage_paths(
|
|
&self,
|
|
paths: Vec<RepoPath>,
|
|
_env: Arc<HashMap<String, String>>,
|
|
) -> BoxFuture<'_, Result<()>> {
|
|
self.with_state_async(true, move |state| {
|
|
for path in paths {
|
|
match state.head_contents.get(&path) {
|
|
Some(content) => state.index_contents.insert(path, content.clone()),
|
|
None => state.index_contents.remove(&path),
|
|
};
|
|
}
|
|
Ok(())
|
|
})
|
|
}
|
|
|
|
fn stash_paths(
|
|
&self,
|
|
_paths: Vec<RepoPath>,
|
|
_env: Arc<HashMap<String, String>>,
|
|
) -> BoxFuture<'_, Result<()>> {
|
|
unimplemented!()
|
|
}
|
|
|
|
fn stash_pop(
|
|
&self,
|
|
_index: Option<usize>,
|
|
_env: Arc<HashMap<String, String>>,
|
|
) -> BoxFuture<'_, Result<()>> {
|
|
unimplemented!()
|
|
}
|
|
|
|
fn stash_apply(
|
|
&self,
|
|
_index: Option<usize>,
|
|
_env: Arc<HashMap<String, String>>,
|
|
) -> BoxFuture<'_, Result<()>> {
|
|
unimplemented!()
|
|
}
|
|
|
|
fn stash_drop(
|
|
&self,
|
|
_index: Option<usize>,
|
|
_env: Arc<HashMap<String, String>>,
|
|
) -> BoxFuture<'_, Result<()>> {
|
|
unimplemented!()
|
|
}
|
|
|
|
fn commit(
|
|
&self,
|
|
_message: gpui::SharedString,
|
|
_name_and_email: Option<(gpui::SharedString, gpui::SharedString)>,
|
|
_options: CommitOptions,
|
|
_env: Arc<HashMap<String, String>>,
|
|
) -> BoxFuture<'_, Result<()>> {
|
|
unimplemented!()
|
|
}
|
|
|
|
fn push(
|
|
&self,
|
|
_branch: String,
|
|
_remote: String,
|
|
_options: Option<PushOptions>,
|
|
_askpass: AskPassDelegate,
|
|
_env: Arc<HashMap<String, String>>,
|
|
_cx: AsyncApp,
|
|
) -> BoxFuture<'_, Result<git::repository::RemoteCommandOutput>> {
|
|
unimplemented!()
|
|
}
|
|
|
|
fn pull(
|
|
&self,
|
|
_branch: String,
|
|
_remote: String,
|
|
_askpass: AskPassDelegate,
|
|
_env: Arc<HashMap<String, String>>,
|
|
_cx: AsyncApp,
|
|
) -> BoxFuture<'_, Result<git::repository::RemoteCommandOutput>> {
|
|
unimplemented!()
|
|
}
|
|
|
|
fn fetch(
|
|
&self,
|
|
_fetch_options: FetchOptions,
|
|
_askpass: AskPassDelegate,
|
|
_env: Arc<HashMap<String, String>>,
|
|
_cx: AsyncApp,
|
|
) -> BoxFuture<'_, Result<git::repository::RemoteCommandOutput>> {
|
|
unimplemented!()
|
|
}
|
|
|
|
fn get_remotes(&self, _branch: Option<String>) -> BoxFuture<'_, Result<Vec<Remote>>> {
|
|
unimplemented!()
|
|
}
|
|
|
|
fn check_for_pushed_commit(&self) -> BoxFuture<'_, Result<Vec<gpui::SharedString>>> {
|
|
future::ready(Ok(Vec::new())).boxed()
|
|
}
|
|
|
|
fn diff(&self, _diff: git::repository::DiffType) -> BoxFuture<'_, Result<String>> {
|
|
unimplemented!()
|
|
}
|
|
|
|
fn checkpoint(&self) -> BoxFuture<'static, Result<GitRepositoryCheckpoint>> {
|
|
let executor = self.executor.clone();
|
|
let fs = self.fs.clone();
|
|
let checkpoints = self.checkpoints.clone();
|
|
let repository_dir_path = self.repository_dir_path.parent().unwrap().to_path_buf();
|
|
async move {
|
|
executor.simulate_random_delay().await;
|
|
let oid = Oid::random(&mut executor.rng());
|
|
let entry = fs.entry(&repository_dir_path)?;
|
|
checkpoints.lock().insert(oid, entry);
|
|
Ok(GitRepositoryCheckpoint { commit_sha: oid })
|
|
}
|
|
.boxed()
|
|
}
|
|
|
|
fn restore_checkpoint(&self, checkpoint: GitRepositoryCheckpoint) -> BoxFuture<'_, Result<()>> {
|
|
let executor = self.executor.clone();
|
|
let fs = self.fs.clone();
|
|
let checkpoints = self.checkpoints.clone();
|
|
let repository_dir_path = self.repository_dir_path.parent().unwrap().to_path_buf();
|
|
async move {
|
|
executor.simulate_random_delay().await;
|
|
let checkpoints = checkpoints.lock();
|
|
let entry = checkpoints
|
|
.get(&checkpoint.commit_sha)
|
|
.context(format!("invalid checkpoint: {}", checkpoint.commit_sha))?;
|
|
fs.insert_entry(&repository_dir_path, entry.clone())?;
|
|
Ok(())
|
|
}
|
|
.boxed()
|
|
}
|
|
|
|
fn compare_checkpoints(
|
|
&self,
|
|
left: GitRepositoryCheckpoint,
|
|
right: GitRepositoryCheckpoint,
|
|
) -> BoxFuture<'_, Result<bool>> {
|
|
let executor = self.executor.clone();
|
|
let checkpoints = self.checkpoints.clone();
|
|
async move {
|
|
executor.simulate_random_delay().await;
|
|
let checkpoints = checkpoints.lock();
|
|
let left = checkpoints
|
|
.get(&left.commit_sha)
|
|
.context(format!("invalid left checkpoint: {}", left.commit_sha))?;
|
|
let right = checkpoints
|
|
.get(&right.commit_sha)
|
|
.context(format!("invalid right checkpoint: {}", right.commit_sha))?;
|
|
|
|
Ok(left == right)
|
|
}
|
|
.boxed()
|
|
}
|
|
|
|
fn diff_checkpoints(
|
|
&self,
|
|
_base_checkpoint: GitRepositoryCheckpoint,
|
|
_target_checkpoint: GitRepositoryCheckpoint,
|
|
) -> BoxFuture<'_, Result<String>> {
|
|
unimplemented!()
|
|
}
|
|
|
|
fn default_branch(&self) -> BoxFuture<'_, Result<Option<SharedString>>> {
|
|
unimplemented!()
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use crate::{FakeFs, Fs};
|
|
use gpui::BackgroundExecutor;
|
|
use serde_json::json;
|
|
use std::path::Path;
|
|
use util::path;
|
|
|
|
#[gpui::test]
|
|
async fn test_checkpoints(executor: BackgroundExecutor) {
|
|
let fs = FakeFs::new(executor);
|
|
fs.insert_tree(
|
|
path!("/"),
|
|
json!({
|
|
"bar": {
|
|
"baz": "qux"
|
|
},
|
|
"foo": {
|
|
".git": {},
|
|
"a": "lorem",
|
|
"b": "ipsum",
|
|
},
|
|
}),
|
|
)
|
|
.await;
|
|
fs.with_git_state(Path::new("/foo/.git"), true, |_git| {})
|
|
.unwrap();
|
|
let repository = fs.open_repo(Path::new("/foo/.git")).unwrap();
|
|
|
|
let checkpoint_1 = repository.checkpoint().await.unwrap();
|
|
fs.write(Path::new("/foo/b"), b"IPSUM").await.unwrap();
|
|
fs.write(Path::new("/foo/c"), b"dolor").await.unwrap();
|
|
let checkpoint_2 = repository.checkpoint().await.unwrap();
|
|
let checkpoint_3 = repository.checkpoint().await.unwrap();
|
|
|
|
assert!(
|
|
repository
|
|
.compare_checkpoints(checkpoint_2.clone(), checkpoint_3.clone())
|
|
.await
|
|
.unwrap()
|
|
);
|
|
assert!(
|
|
!repository
|
|
.compare_checkpoints(checkpoint_1.clone(), checkpoint_2.clone())
|
|
.await
|
|
.unwrap()
|
|
);
|
|
|
|
repository.restore_checkpoint(checkpoint_1).await.unwrap();
|
|
assert_eq!(
|
|
fs.files_with_contents(Path::new("")),
|
|
[
|
|
(Path::new(path!("/bar/baz")).into(), b"qux".into()),
|
|
(Path::new(path!("/foo/a")).into(), b"lorem".into()),
|
|
(Path::new(path!("/foo/b")).into(), b"ipsum".into())
|
|
]
|
|
);
|
|
}
|
|
}
|