Add git blame (#8889)
This adds a new action to the editor: `editor: toggle git blame`. When used it turns on a sidebar containing `git blame` information for the currently open buffer. The git blame information is updated when the buffer changes. It handles additions, deletions, modifications, changes to the underlying git data (new commits, changed commits, ...), file saves. It also handles folding and wrapping lines correctly. When the user hovers over a commit, a tooltip displays information for the commit that introduced the line. If the repository has a remote with the name `origin` configured, then clicking on a blame entry opens the permalink to the commit on the code host. Users can right-click on a blame entry to get a context menu which allows them to copy the SHA of the commit. The feature also works on shared projects, e.g. when collaborating a peer can request `git blame` data. As of this PR, Zed now comes bundled with a `git` binary so that users don't have to have `git` installed locally to use this feature. ### Screenshots    ### TODOs - [x] Bundling `git` binary ### Release Notes Release Notes: - Added `editor: toggle git blame` command that toggles a sidebar with git blame information for the current buffer. --------- Co-authored-by: Antonio <antonio@zed.dev> Co-authored-by: Piotr <piotr@zed.dev> Co-authored-by: Bennet <bennetbo@gmx.de> Co-authored-by: Mikayla <mikayla@zed.dev>
This commit is contained in:
Thorsten Ball
GitHub
parent
e2d6b0deba
commit
7f54935324
39 changed files with 3760 additions and 157 deletions
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@ -30,6 +30,7 @@ use futures::{
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stream::FuturesUnordered,
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AsyncWriteExt, Future, FutureExt, StreamExt, TryFutureExt,
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};
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use git::blame::Blame;
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use globset::{Glob, GlobSet, GlobSetBuilder};
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use gpui::{
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AnyModel, AppContext, AsyncAppContext, BackgroundExecutor, BorrowAppContext, Context, Entity,
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@ -83,7 +84,7 @@ use std::{
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ops::Range,
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path::{self, Component, Path, PathBuf},
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process::Stdio,
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str,
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str::{self, FromStr},
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sync::{
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atomic::{AtomicUsize, Ordering::SeqCst},
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Arc,
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@ -95,7 +96,7 @@ use terminals::Terminals;
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use text::{Anchor, BufferId, RopeFingerprint};
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use util::{
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debug_panic, defer,
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http::HttpClient,
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http::{HttpClient, Url},
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maybe, merge_json_value_into,
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paths::{
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LOCAL_SETTINGS_RELATIVE_PATH, LOCAL_TASKS_RELATIVE_PATH, LOCAL_VSCODE_TASKS_RELATIVE_PATH,
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@ -304,6 +305,7 @@ pub enum Event {
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WorktreeAdded,
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WorktreeRemoved(WorktreeId),
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WorktreeUpdatedEntries(WorktreeId, UpdatedEntriesSet),
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WorktreeUpdatedGitRepositories,
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DiskBasedDiagnosticsStarted {
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language_server_id: LanguageServerId,
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},
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@ -593,6 +595,7 @@ impl Project {
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client.add_model_request_handler(Self::handle_save_buffer);
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client.add_model_message_handler(Self::handle_update_diff_base);
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client.add_model_request_handler(Self::handle_lsp_command::<lsp_ext_command::ExpandMacro>);
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client.add_model_request_handler(Self::handle_blame_buffer);
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}
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pub fn local(
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@ -6746,8 +6749,13 @@ impl Project {
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}
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worktree::Event::UpdatedGitRepositories(updated_repos) => {
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if is_local {
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this.update_local_worktree_buffers_git_repos(worktree, updated_repos, cx)
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this.update_local_worktree_buffers_git_repos(
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worktree.clone(),
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updated_repos,
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cx,
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)
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}
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cx.emit(Event::WorktreeUpdatedGitRepositories);
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}
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}
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})
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@ -7036,9 +7044,10 @@ impl Project {
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.filter_map(|(buffer, path)| {
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let (work_directory, repo) =
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snapshot.repository_and_work_directory_for_path(&path)?;
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let repo = snapshot.get_local_repo(&repo)?;
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let repo_entry = snapshot.get_local_repo(&repo)?;
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let relative_path = path.strip_prefix(&work_directory).ok()?;
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let base_text = repo.load_index_text(relative_path);
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let base_text = repo_entry.repo().lock().load_index_text(relative_path);
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Some((buffer, base_text))
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})
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.collect::<Vec<_>>()
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@ -7315,6 +7324,19 @@ impl Project {
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})
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}
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pub fn get_workspace_root(
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&self,
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project_path: &ProjectPath,
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cx: &AppContext,
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) -> Option<PathBuf> {
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Some(
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self.worktree_for_id(project_path.worktree_id, cx)?
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.read(cx)
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.abs_path()
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.to_path_buf(),
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)
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}
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pub fn get_repo(
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&self,
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project_path: &ProjectPath,
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@ -7327,8 +7349,107 @@ impl Project {
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.local_git_repo(&project_path.path)
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}
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pub fn blame_buffer(
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&self,
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buffer: &Model<Buffer>,
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version: Option<clock::Global>,
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cx: &AppContext,
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) -> Task<Result<Blame>> {
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if self.is_local() {
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let blame_params = maybe!({
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let buffer = buffer.read(cx);
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let buffer_project_path = buffer
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.project_path(cx)
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.context("failed to get buffer project path")?;
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let worktree = self
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.worktree_for_id(buffer_project_path.worktree_id, cx)
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.context("failed to get worktree")?
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.read(cx)
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.as_local()
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.context("worktree was not local")?
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.snapshot();
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let (work_directory, repo) = worktree
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.repository_and_work_directory_for_path(&buffer_project_path.path)
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.context("failed to get repo for blamed buffer")?;
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let repo_entry = worktree
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.get_local_repo(&repo)
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.context("failed to get repo for blamed buffer")?;
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let relative_path = buffer_project_path
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.path
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.strip_prefix(&work_directory)?
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.to_path_buf();
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let content = match version {
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Some(version) => buffer.rope_for_version(&version).clone(),
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None => buffer.as_rope().clone(),
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};
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let repo = repo_entry.repo().clone();
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anyhow::Ok((repo, relative_path, content))
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});
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cx.background_executor().spawn(async move {
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let (repo, relative_path, content) = blame_params?;
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let lock = repo.lock();
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lock.blame(&relative_path, content)
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})
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} else {
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let project_id = self.remote_id();
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let buffer_id = buffer.read(cx).remote_id();
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let client = self.client.clone();
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let version = buffer.read(cx).version();
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cx.spawn(|_| async move {
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let project_id = project_id.context("unable to get project id for buffer")?;
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let response = client
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.request(proto::BlameBuffer {
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project_id,
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buffer_id: buffer_id.into(),
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version: serialize_version(&version),
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})
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.await?;
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Ok(deserialize_blame_buffer_response(response))
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})
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}
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}
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// RPC message handlers
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async fn handle_blame_buffer(
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this: Model<Self>,
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envelope: TypedEnvelope<proto::BlameBuffer>,
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_: Arc<Client>,
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mut cx: AsyncAppContext,
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) -> Result<proto::BlameBufferResponse> {
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let buffer_id = BufferId::new(envelope.payload.buffer_id)?;
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let version = deserialize_version(&envelope.payload.version);
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let buffer = this.update(&mut cx, |this, _cx| {
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this.opened_buffers
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.get(&buffer_id)
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.and_then(|buffer| buffer.upgrade())
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.ok_or_else(|| anyhow!("unknown buffer id {}", buffer_id))
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})??;
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buffer
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.update(&mut cx, |buffer, _| {
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buffer.wait_for_version(version.clone())
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})?
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.await?;
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let blame = this
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.update(&mut cx, |this, cx| {
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this.blame_buffer(&buffer, Some(version), cx)
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})?
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.await?;
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Ok(serialize_blame_buffer_response(blame))
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}
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async fn handle_unshare_project(
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this: Model<Self>,
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_: TypedEnvelope<proto::UnshareProject>,
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@ -9768,3 +9889,99 @@ async fn load_shell_environment(dir: &Path) -> Result<HashMap<String, String>> {
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}
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Ok(parsed_env)
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}
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fn serialize_blame_buffer_response(blame: git::blame::Blame) -> proto::BlameBufferResponse {
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let entries = blame
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.entries
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.into_iter()
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.map(|entry| proto::BlameEntry {
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sha: entry.sha.as_bytes().into(),
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start_line: entry.range.start,
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end_line: entry.range.end,
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original_line_number: entry.original_line_number,
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author: entry.author.clone(),
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author_mail: entry.author_mail.clone(),
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author_time: entry.author_time,
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author_tz: entry.author_tz.clone(),
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committer: entry.committer.clone(),
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committer_mail: entry.committer_mail.clone(),
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committer_time: entry.committer_time,
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committer_tz: entry.committer_tz.clone(),
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summary: entry.summary.clone(),
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previous: entry.previous.clone(),
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filename: entry.filename.clone(),
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})
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.collect::<Vec<_>>();
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let messages = blame
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.messages
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.into_iter()
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.map(|(oid, message)| proto::CommitMessage {
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oid: oid.as_bytes().into(),
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message,
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})
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.collect::<Vec<_>>();
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let permalinks = blame
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.permalinks
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.into_iter()
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.map(|(oid, url)| proto::CommitPermalink {
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oid: oid.as_bytes().into(),
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permalink: url.to_string(),
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})
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.collect::<Vec<_>>();
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proto::BlameBufferResponse {
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entries,
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messages,
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permalinks,
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}
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}
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fn deserialize_blame_buffer_response(response: proto::BlameBufferResponse) -> git::blame::Blame {
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let entries = response
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.entries
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.into_iter()
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.filter_map(|entry| {
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Some(git::blame::BlameEntry {
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sha: git::Oid::from_bytes(&entry.sha).ok()?,
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range: entry.start_line..entry.end_line,
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original_line_number: entry.original_line_number,
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committer: entry.committer,
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committer_time: entry.committer_time,
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committer_tz: entry.committer_tz,
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committer_mail: entry.committer_mail,
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author: entry.author,
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author_mail: entry.author_mail,
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author_time: entry.author_time,
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author_tz: entry.author_tz,
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summary: entry.summary,
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previous: entry.previous,
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filename: entry.filename,
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})
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})
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.collect::<Vec<_>>();
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let messages = response
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.messages
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.into_iter()
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.filter_map(|message| Some((git::Oid::from_bytes(&message.oid).ok()?, message.message)))
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.collect::<HashMap<_, _>>();
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let permalinks = response
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.permalinks
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.into_iter()
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.filter_map(|permalink| {
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Some((
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git::Oid::from_bytes(&permalink.oid).ok()?,
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Url::from_str(&permalink.permalink).ok()?,
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))
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})
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.collect::<HashMap<_, _>>();
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Blame {
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entries,
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permalinks,
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messages,
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}
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}
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