use crate::commit::parse_git_diff_name_status;use crate::stash::GitStash;use crate::status::{DiffTreeType, GitStatus, StatusCode, TreeDiff};use crate::{Oid, RunHook, SHORT_SHA_LENGTH};use anyhow::{Context as _, Result, anyhow, bail};use collections::HashMap;use futures::channel::oneshot;use futures::future::BoxFuture;use futures::io::BufWriter;use futures::{AsyncWriteExt, FutureExt as _, select_biased};use git2::{BranchType, ErrorCode};use gpui::{AppContext as _, AsyncApp, BackgroundExecutor, SharedString, Task};use parking_lot::Mutex;use rope::Rope;use schemars::JsonSchema;use serde::Deserialize;use smallvec::SmallVec;use smol::channel::Sender;use smol::io::{AsyncBufReadExt, AsyncReadExt, BufReader};use text::LineEnding; use std::collections::HashSet;use std::ffi::{OsStr, OsString};use std::process::{ExitStatus, Stdio};use std::str::FromStr;use std::{ cmp::Ordering, future, path::{Path, PathBuf}, sync::Arc,};use sum_tree::MapSeekTarget;use thiserror::Error;use util::command::new_smol_command;use util::paths::PathStyle;use util::rel_path::RelPath;use util::{ResultExt, paths};use uuid::Uuid; pub use askpass::{AskPassDelegate, AskPassResult, AskPassSession}; pub const REMOTE_CANCELLED_BY_USER: &str = "Operation cancelled by user"; /// Format string used in graph log to get initial data for the git graph/// %H - Full commit hash/// %P - Parent hashes/// %D - Ref names/// %x00 - Null byte separator, used to split up commit datastatic GRAPH_COMMIT_FORMAT: &str = "--format=%H%x00%P%x00%D"; /// Number of commits to load per chunk for the git graph.pub const GRAPH_CHUNK_SIZE: usize = 1000; /// Commit data needed for the git graph visualization.#[derive(Debug, Clone)]pub struct GraphCommitData { pub sha: Oid, /// Most commits have a single parent, so we use a SmallVec to avoid allocations. pub parents: SmallVec<[Oid; 1]>, pub author_name: SharedString, pub author_email: SharedString, pub commit_timestamp: i64, pub subject: SharedString,} #[derive(Debug)]pub struct InitialGraphCommitData { pub sha: Oid, pub parents: SmallVec<[Oid; 1]>, pub ref_names: Vec<SharedString>,} struct CommitDataRequest { sha: Oid, response_tx: oneshot::Sender<Result<GraphCommitData>>,} pub struct CommitDataReader { request_tx: smol::channel::Sender<CommitDataRequest>, _task: Task<()>,} impl CommitDataReader { pub async fn read(&self, sha: Oid) -> Result<GraphCommitData> { let (response_tx, response_rx) = oneshot::channel(); self.request_tx .send(CommitDataRequest { sha, response_tx }) .await .map_err(|_| anyhow!("commit data reader task closed"))?; response_rx .await .map_err(|_| anyhow!("commit data reader task dropped response"))? }} fn parse_cat_file_commit(sha: Oid, content: &str) -> Option<GraphCommitData> { let mut parents = SmallVec::new(); let mut author_name = SharedString::default(); let mut author_email = SharedString::default(); let mut commit_timestamp = 0i64; let mut in_headers = true; let mut subject = None; for line in content.lines() { if in_headers { if line.is_empty() { in_headers = false; continue; } if let Some(parent_sha) = line.strip_prefix("parent ") { if let Ok(oid) = Oid::from_str(parent_sha.trim()) { parents.push(oid); } } else if let Some(author_line) = line.strip_prefix("author ") { if let Some((name_email, _timestamp_tz)) = author_line.rsplit_once(' ') { if let Some((name_email, timestamp_str)) = name_email.rsplit_once(' ') { if let Ok(ts) = timestamp_str.parse::<i64>() { commit_timestamp = ts; } if let Some((name, email)) = name_email.rsplit_once(" <") { author_name = SharedString::from(name.to_string()); author_email = SharedString::from(email.trim_end_matches('>').to_string()); } } } } } else if subject.is_none() { subject = Some(SharedString::from(line.to_string())); } } Some(GraphCommitData { sha, parents, author_name, author_email, commit_timestamp, subject: subject.unwrap_or_default(), })} #[derive(Clone, Debug, Hash, PartialEq, Eq)]pub struct Branch { pub is_head: bool, pub ref_name: SharedString, pub upstream: Option<Upstream>, pub most_recent_commit: Option<CommitSummary>,} impl Branch { pub fn name(&self) -> &str { self.ref_name .as_ref() .strip_prefix("refs/heads/") .or_else(|| self.ref_name.as_ref().strip_prefix("refs/remotes/")) .unwrap_or(self.ref_name.as_ref()) } pub fn is_remote(&self) -> bool { self.ref_name.starts_with("refs/remotes/") } pub fn remote_name(&self) -> Option<&str> { self.ref_name .strip_prefix("refs/remotes/") .and_then(|stripped| stripped.split("/").next()) } pub fn tracking_status(&self) -> Option<UpstreamTrackingStatus> { self.upstream .as_ref() .and_then(|upstream| upstream.tracking.status()) } pub fn priority_key(&self) -> (bool, Option<i64>) { ( self.is_head, self.most_recent_commit .as_ref() .map(|commit| commit.commit_timestamp), ) }} #[derive(Clone, Debug, Hash, PartialEq, Eq)]pub struct Worktree { pub path: PathBuf, pub ref_name: SharedString, pub sha: SharedString,} impl Worktree { pub fn branch(&self) -> &str { self.ref_name .as_ref() .strip_prefix("refs/heads/") .or_else(|| self.ref_name.as_ref().strip_prefix("refs/remotes/")) .unwrap_or(self.ref_name.as_ref()) }} pub fn parse_worktrees_from_str<T: AsRef<str>>(raw_worktrees: T) -> Vec<Worktree> { let mut worktrees = Vec::new(); let entries = raw_worktrees.as_ref().split("\n\n"); for entry in entries { let mut parts = entry.splitn(3, '\n'); let path = parts .next() .and_then(|p| p.split_once(' ').map(|(_, path)| path.to_string())); let sha = parts .next() .and_then(|p| p.split_once(' ').map(|(_, sha)| sha.to_string())); let ref_name = parts .next() .and_then(|p| p.split_once(' ').map(|(_, ref_name)| ref_name.to_string())); if let (Some(path), Some(sha), Some(ref_name)) = (path, sha, ref_name) { worktrees.push(Worktree { path: PathBuf::from(path), ref_name: ref_name.into(), sha: sha.into(), }) } } worktrees} #[derive(Clone, Debug, Hash, PartialEq, Eq)]pub struct Upstream { pub ref_name: SharedString, pub tracking: UpstreamTracking,} impl Upstream { pub fn is_remote(&self) -> bool { self.remote_name().is_some() } pub fn remote_name(&self) -> Option<&str> { self.ref_name .strip_prefix("refs/remotes/") .and_then(|stripped| stripped.split("/").next()) } pub fn stripped_ref_name(&self) -> Option<&str> { self.ref_name.strip_prefix("refs/remotes/") } pub fn branch_name(&self) -> Option<&str> { self.ref_name .strip_prefix("refs/remotes/") .and_then(|stripped| stripped.split_once('/').map(|(_, name)| name)) }} #[derive(Clone, Copy, Default)]pub struct CommitOptions { pub amend: bool, pub signoff: bool,} #[derive(Clone, Copy, Debug, Hash, PartialEq, Eq)]pub enum UpstreamTracking { /// Remote ref not present in local repository. Gone, /// Remote ref present in local repository (fetched from remote). Tracked(UpstreamTrackingStatus),} impl From<UpstreamTrackingStatus> for UpstreamTracking { fn from(status: UpstreamTrackingStatus) -> Self { UpstreamTracking::Tracked(status) }} impl UpstreamTracking { pub fn is_gone(&self) -> bool { matches!(self, UpstreamTracking::Gone) } pub fn status(&self) -> Option<UpstreamTrackingStatus> { match self { UpstreamTracking::Gone => None, UpstreamTracking::Tracked(status) => Some(*status), } }} #[derive(Debug, Clone)]pub struct RemoteCommandOutput { pub stdout: String, pub stderr: String,} impl RemoteCommandOutput { pub fn is_empty(&self) -> bool { self.stdout.is_empty() && self.stderr.is_empty() }} #[derive(Clone, Copy, Debug, Hash, PartialEq, Eq)]pub struct UpstreamTrackingStatus { pub ahead: u32, pub behind: u32,} #[derive(Clone, Debug, Hash, PartialEq, Eq)]pub struct CommitSummary { pub sha: SharedString, pub subject: SharedString, /// This is a unix timestamp pub commit_timestamp: i64, pub author_name: SharedString, pub has_parent: bool,} #[derive(Clone, Debug, Default, Hash, PartialEq, Eq)]pub struct CommitDetails { pub sha: SharedString, pub message: SharedString, pub commit_timestamp: i64, pub author_email: SharedString, pub author_name: SharedString,} #[derive(Clone, Debug, Hash, PartialEq, Eq)]pub struct FileHistoryEntry { pub sha: SharedString, pub subject: SharedString, pub message: SharedString, pub commit_timestamp: i64, pub author_name: SharedString, pub author_email: SharedString,} #[derive(Debug, Clone)]pub struct FileHistory { pub entries: Vec<FileHistoryEntry>, pub path: RepoPath,} #[derive(Debug)]pub struct CommitDiff { pub files: Vec<CommitFile>,} #[derive(Debug)]pub struct CommitFile { pub path: RepoPath, pub old_text: Option<String>, pub new_text: Option<String>, pub is_binary: bool,} impl CommitDetails { pub fn short_sha(&self) -> SharedString { self.sha[..SHORT_SHA_LENGTH].to_string().into() }} /// Detects if content is binary by checking for NUL bytes in the first 8000 bytes./// This matches git's binary detection heuristic.pub fn is_binary_content(content: &[u8]) -> bool { let check_len = content.len().min(8000); content[..check_len].contains(&0)} #[derive(Debug, Clone, Hash, PartialEq, Eq)]pub struct Remote { pub name: SharedString,} pub enum ResetMode { /// Reset the branch pointer, leave index and worktree unchanged (this will make it look like things that were /// committed are now staged). Soft, /// Reset the branch pointer and index, leave worktree unchanged (this makes it look as though things that were /// committed are now unstaged). Mixed,} #[derive(Debug, Clone, Hash, PartialEq, Eq)]pub enum FetchOptions { All, Remote(Remote),} impl FetchOptions { pub fn to_proto(&self) -> Option<String> { match self { FetchOptions::All => None, FetchOptions::Remote(remote) => Some(remote.clone().name.into()), } } pub fn from_proto(remote_name: Option<String>) -> Self { match remote_name { Some(name) => FetchOptions::Remote(Remote { name: name.into() }), None => FetchOptions::All, } } pub fn name(&self) -> SharedString { match self { Self::All => "Fetch all remotes".into(), Self::Remote(remote) => remote.name.clone(), } }} impl std::fmt::Display for FetchOptions { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { match self { FetchOptions::All => write!(f, "--all"), FetchOptions::Remote(remote) => write!(f, "{}", remote.name), } }} /// Modifies .git/info/exclude temporarilypub struct GitExcludeOverride { git_exclude_path: PathBuf, original_excludes: Option<String>, added_excludes: Option<String>,} impl GitExcludeOverride { const START_BLOCK_MARKER: &str = "\n\n# ====== Auto-added by Zed: =======\n"; const END_BLOCK_MARKER: &str = "\n# ====== End of auto-added by Zed =======\n"; pub async fn new(git_exclude_path: PathBuf) -> Result<Self> { let original_excludes = smol::fs::read_to_string(&git_exclude_path) .await .ok() .map(|content| { // Auto-generated lines are normally cleaned up in // `restore_original()` or `drop()`, but may stuck in rare cases. // Make sure to remove them. Self::remove_auto_generated_block(&content) }); Ok(GitExcludeOverride { git_exclude_path, original_excludes, added_excludes: None, }) } pub async fn add_excludes(&mut self, excludes: &str) -> Result<()> { self.added_excludes = Some(if let Some(ref already_added) = self.added_excludes { format!("{already_added}\n{excludes}") } else { excludes.to_string() }); let mut content = self.original_excludes.clone().unwrap_or_default(); content.push_str(Self::START_BLOCK_MARKER); content.push_str(self.added_excludes.as_ref().unwrap()); content.push_str(Self::END_BLOCK_MARKER); smol::fs::write(&self.git_exclude_path, content).await?; Ok(()) } pub async fn restore_original(&mut self) -> Result<()> { if let Some(ref original) = self.original_excludes { smol::fs::write(&self.git_exclude_path, original).await?; } else if self.git_exclude_path.exists() { smol::fs::remove_file(&self.git_exclude_path).await?; } self.added_excludes = None; Ok(()) } fn remove_auto_generated_block(content: &str) -> String { let start_marker = Self::START_BLOCK_MARKER; let end_marker = Self::END_BLOCK_MARKER; let mut content = content.to_string(); let start_index = content.find(start_marker); let end_index = content.rfind(end_marker); if let (Some(start), Some(end)) = (start_index, end_index) { if end > start { content.replace_range(start..end + end_marker.len(), ""); } } // Older versions of Zed didn't have end-of-block markers, // so it's impossible to determine auto-generated lines. // Conservatively remove the standard list of excludes let standard_excludes = format!( "{}{}",Lines 1–500 of 3596. Load more
use crate::commit::parse_git_diff_name_status; use crate::stash::GitStash; use crate::status::{DiffTreeType, GitStatus, StatusCode, TreeDiff}; use crate::{Oid, RunHook, SHORT_SHA_LENGTH}; use anyhow::{Context as _, Result, anyhow, bail}; use collections::HashMap; use futures::channel::oneshot; use futures::future::BoxFuture; use futures::io::BufWriter; use futures::{AsyncWriteExt, FutureExt as _, select_biased}; use git2::{BranchType, ErrorCode}; use gpui::{AppContext as _, AsyncApp, BackgroundExecutor, SharedString, Task}; use parking_lot::Mutex; use rope::Rope; use schemars::JsonSchema; use serde::Deserialize; use smallvec::SmallVec; use smol::channel::Sender; use smol::io::{AsyncBufReadExt, AsyncReadExt, BufReader}; use text::LineEnding; use std::collections::HashSet; use std::ffi::{OsStr, OsString}; use std::process::{ExitStatus, Stdio}; use std::str::FromStr; use std::{ cmp::Ordering, future, path::{Path, PathBuf}, sync::Arc, }; use sum_tree::MapSeekTarget; use thiserror::Error; use util::command::new_smol_command; use util::paths::PathStyle; use util::rel_path::RelPath; use util::{ResultExt, paths}; use uuid::Uuid; pub use askpass::{AskPassDelegate, AskPassResult, AskPassSession}; pub const REMOTE_CANCELLED_BY_USER: &str = "Operation cancelled by user"; /// Format string used in graph log to get initial data for the git graph /// %H - Full commit hash /// %P - Parent hashes /// %D - Ref names /// %x00 - Null byte separator, used to split up commit data static GRAPH_COMMIT_FORMAT: &str = "--format=%H%x00%P%x00%D"; /// Number of commits to load per chunk for the git graph. pub const GRAPH_CHUNK_SIZE: usize = 1000; /// Commit data needed for the git graph visualization. #[derive(Debug, Clone)] pub struct GraphCommitData { pub sha: Oid, /// Most commits have a single parent, so we use a SmallVec to avoid allocations. pub parents: SmallVec<[Oid; 1]>, pub author_name: SharedString, pub author_email: SharedString, pub commit_timestamp: i64, pub subject: SharedString, } #[derive(Debug)] pub struct InitialGraphCommitData { pub sha: Oid, pub parents: SmallVec<[Oid; 1]>, pub ref_names: Vec<SharedString>, } struct CommitDataRequest { sha: Oid, response_tx: oneshot::Sender<Result<GraphCommitData>>, } pub struct CommitDataReader { request_tx: smol::channel::Sender<CommitDataRequest>, _task: Task<()>, } impl CommitDataReader { pub async fn read(&self, sha: Oid) -> Result<GraphCommitData> { let (response_tx, response_rx) = oneshot::channel(); self.request_tx .send(CommitDataRequest { sha, response_tx }) .await .map_err(|_| anyhow!("commit data reader task closed"))?; response_rx .await .map_err(|_| anyhow!("commit data reader task dropped response"))? } } fn parse_cat_file_commit(sha: Oid, content: &str) -> Option<GraphCommitData> { let mut parents = SmallVec::new(); let mut author_name = SharedString::default(); let mut author_email = SharedString::default(); let mut commit_timestamp = 0i64; let mut in_headers = true; let mut subject = None; for line in content.lines() { if in_headers { if line.is_empty() { in_headers = false; continue; } if let Some(parent_sha) = line.strip_prefix("parent ") { if let Ok(oid) = Oid::from_str(parent_sha.trim()) { parents.push(oid); } } else if let Some(author_line) = line.strip_prefix("author ") { if let Some((name_email, _timestamp_tz)) = author_line.rsplit_once(' ') { if let Some((name_email, timestamp_str)) = name_email.rsplit_once(' ') { if let Ok(ts) = timestamp_str.parse::<i64>() { commit_timestamp = ts; } if let Some((name, email)) = name_email.rsplit_once(" <") { author_name = SharedString::from(name.to_string()); author_email = SharedString::from(email.trim_end_matches('>').to_string()); } } } } } else if subject.is_none() { subject = Some(SharedString::from(line.to_string())); } } Some(GraphCommitData { sha, parents, author_name, author_email, commit_timestamp, subject: subject.unwrap_or_default(), }) } #[derive(Clone, Debug, Hash, PartialEq, Eq)] pub struct Branch { pub is_head: bool, pub ref_name: SharedString, pub upstream: Option<Upstream>, pub most_recent_commit: Option<CommitSummary>, } impl Branch { pub fn name(&self) -> &str { self.ref_name .as_ref() .strip_prefix("refs/heads/") .or_else(|| self.ref_name.as_ref().strip_prefix("refs/remotes/")) .unwrap_or(self.ref_name.as_ref()) } pub fn is_remote(&self) -> bool { self.ref_name.starts_with("refs/remotes/") } pub fn remote_name(&self) -> Option<&str> { self.ref_name .strip_prefix("refs/remotes/") .and_then(|stripped| stripped.split("/").next()) } pub fn tracking_status(&self) -> Option<UpstreamTrackingStatus> { self.upstream .as_ref() .and_then(|upstream| upstream.tracking.status()) } pub fn priority_key(&self) -> (bool, Option<i64>) { ( self.is_head, self.most_recent_commit .as_ref() .map(|commit| commit.commit_timestamp), ) } } #[derive(Clone, Debug, Hash, PartialEq, Eq)] pub struct Worktree { pub path: PathBuf, pub ref_name: SharedString, pub sha: SharedString, } impl Worktree { pub fn branch(&self) -> &str { self.ref_name .as_ref() .strip_prefix("refs/heads/") .or_else(|| self.ref_name.as_ref().strip_prefix("refs/remotes/")) .unwrap_or(self.ref_name.as_ref()) } } pub fn parse_worktrees_from_str<T: AsRef<str>>(raw_worktrees: T) -> Vec<Worktree> { let mut worktrees = Vec::new(); let entries = raw_worktrees.as_ref().split("\n\n"); for entry in entries { let mut parts = entry.splitn(3, '\n'); let path = parts .next() .and_then(|p| p.split_once(' ').map(|(_, path)| path.to_string())); let sha = parts .next() .and_then(|p| p.split_once(' ').map(|(_, sha)| sha.to_string())); let ref_name = parts .next() .and_then(|p| p.split_once(' ').map(|(_, ref_name)| ref_name.to_string())); if let (Some(path), Some(sha), Some(ref_name)) = (path, sha, ref_name) { worktrees.push(Worktree { path: PathBuf::from(path), ref_name: ref_name.into(), sha: sha.into(), }) } } worktrees } #[derive(Clone, Debug, Hash, PartialEq, Eq)] pub struct Upstream { pub ref_name: SharedString, pub tracking: UpstreamTracking, } impl Upstream { pub fn is_remote(&self) -> bool { self.remote_name().is_some() } pub fn remote_name(&self) -> Option<&str> { self.ref_name .strip_prefix("refs/remotes/") .and_then(|stripped| stripped.split("/").next()) } pub fn stripped_ref_name(&self) -> Option<&str> { self.ref_name.strip_prefix("refs/remotes/") } pub fn branch_name(&self) -> Option<&str> { self.ref_name .strip_prefix("refs/remotes/") .and_then(|stripped| stripped.split_once('/').map(|(_, name)| name)) } } #[derive(Clone, Copy, Default)] pub struct CommitOptions { pub amend: bool, pub signoff: bool, } #[derive(Clone, Copy, Debug, Hash, PartialEq, Eq)] pub enum UpstreamTracking { /// Remote ref not present in local repository. Gone, /// Remote ref present in local repository (fetched from remote). Tracked(UpstreamTrackingStatus), } impl From<UpstreamTrackingStatus> for UpstreamTracking { fn from(status: UpstreamTrackingStatus) -> Self { UpstreamTracking::Tracked(status) } } impl UpstreamTracking { pub fn is_gone(&self) -> bool { matches!(self, UpstreamTracking::Gone) } pub fn status(&self) -> Option<UpstreamTrackingStatus> { match self { UpstreamTracking::Gone => None, UpstreamTracking::Tracked(status) => Some(*status), } } } #[derive(Debug, Clone)] pub struct RemoteCommandOutput { pub stdout: String, pub stderr: String, } impl RemoteCommandOutput { pub fn is_empty(&self) -> bool { self.stdout.is_empty() && self.stderr.is_empty() } } #[derive(Clone, Copy, Debug, Hash, PartialEq, Eq)] pub struct UpstreamTrackingStatus { pub ahead: u32, pub behind: u32, } #[derive(Clone, Debug, Hash, PartialEq, Eq)] pub struct CommitSummary { pub sha: SharedString, pub subject: SharedString, /// This is a unix timestamp pub commit_timestamp: i64, pub author_name: SharedString, pub has_parent: bool, } #[derive(Clone, Debug, Default, Hash, PartialEq, Eq)] pub struct CommitDetails { pub sha: SharedString, pub message: SharedString, pub commit_timestamp: i64, pub author_email: SharedString, pub author_name: SharedString, } #[derive(Clone, Debug, Hash, PartialEq, Eq)] pub struct FileHistoryEntry { pub sha: SharedString, pub subject: SharedString, pub message: SharedString, pub commit_timestamp: i64, pub author_name: SharedString, pub author_email: SharedString, } #[derive(Debug, Clone)] pub struct FileHistory { pub entries: Vec<FileHistoryEntry>, pub path: RepoPath, } #[derive(Debug)] pub struct CommitDiff { pub files: Vec<CommitFile>, } #[derive(Debug)] pub struct CommitFile { pub path: RepoPath, pub old_text: Option<String>, pub new_text: Option<String>, pub is_binary: bool, } impl CommitDetails { pub fn short_sha(&self) -> SharedString { self.sha[..SHORT_SHA_LENGTH].to_string().into() } } /// Detects if content is binary by checking for NUL bytes in the first 8000 bytes. /// This matches git's binary detection heuristic. pub fn is_binary_content(content: &[u8]) -> bool { let check_len = content.len().min(8000); content[..check_len].contains(&0) } #[derive(Debug, Clone, Hash, PartialEq, Eq)] pub struct Remote { pub name: SharedString, } pub enum ResetMode { /// Reset the branch pointer, leave index and worktree unchanged (this will make it look like things that were /// committed are now staged). Soft, /// Reset the branch pointer and index, leave worktree unchanged (this makes it look as though things that were /// committed are now unstaged). Mixed, } #[derive(Debug, Clone, Hash, PartialEq, Eq)] pub enum FetchOptions { All, Remote(Remote), } impl FetchOptions { pub fn to_proto(&self) -> Option<String> { match self { FetchOptions::All => None, FetchOptions::Remote(remote) => Some(remote.clone().name.into()), } } pub fn from_proto(remote_name: Option<String>) -> Self { match remote_name { Some(name) => FetchOptions::Remote(Remote { name: name.into() }), None => FetchOptions::All, } } pub fn name(&self) -> SharedString { match self { Self::All => "Fetch all remotes".into(), Self::Remote(remote) => remote.name.clone(), } } } impl std::fmt::Display for FetchOptions { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { match self { FetchOptions::All => write!(f, "--all"), FetchOptions::Remote(remote) => write!(f, "{}", remote.name), } } } /// Modifies .git/info/exclude temporarily pub struct GitExcludeOverride { git_exclude_path: PathBuf, original_excludes: Option<String>, added_excludes: Option<String>, } impl GitExcludeOverride { const START_BLOCK_MARKER: &str = "\n\n# ====== Auto-added by Zed: =======\n"; const END_BLOCK_MARKER: &str = "\n# ====== End of auto-added by Zed =======\n"; pub async fn new(git_exclude_path: PathBuf) -> Result<Self> { let original_excludes = smol::fs::read_to_string(&git_exclude_path) .await .ok() .map(|content| { // Auto-generated lines are normally cleaned up in // `restore_original()` or `drop()`, but may stuck in rare cases. // Make sure to remove them. Self::remove_auto_generated_block(&content) }); Ok(GitExcludeOverride { git_exclude_path, original_excludes, added_excludes: None, }) } pub async fn add_excludes(&mut self, excludes: &str) -> Result<()> { self.added_excludes = Some(if let Some(ref already_added) = self.added_excludes { format!("{already_added}\n{excludes}") } else { excludes.to_string() }); let mut content = self.original_excludes.clone().unwrap_or_default(); content.push_str(Self::START_BLOCK_MARKER); content.push_str(self.added_excludes.as_ref().unwrap()); content.push_str(Self::END_BLOCK_MARKER); smol::fs::write(&self.git_exclude_path, content).await?; Ok(()) } pub async fn restore_original(&mut self) -> Result<()> { if let Some(ref original) = self.original_excludes { smol::fs::write(&self.git_exclude_path, original).await?; } else if self.git_exclude_path.exists() { smol::fs::remove_file(&self.git_exclude_path).await?; } self.added_excludes = None; Ok(()) } fn remove_auto_generated_block(content: &str) -> String { let start_marker = Self::START_BLOCK_MARKER; let end_marker = Self::END_BLOCK_MARKER; let mut content = content.to_string(); let start_index = content.find(start_marker); let end_index = content.rfind(end_marker); if let (Some(start), Some(end)) = (start_index, end_index) { if end > start { content.replace_range(start..end + end_marker.len(), ""); } } // Older versions of Zed didn't have end-of-block markers, // so it's impossible to determine auto-generated lines. // Conservatively remove the standard list of excludes let standard_excludes = format!( "{}{}",