feat(core): implement Git repository operations with gRPC services

- Add advertise_refs functionality for Git protocol communication - Implement archive service with TAR/ZIP format support and streaming - Create blame service for Git file annotation with line tracking - Add branch management including create, delete, rename and compare operations - Implement merge checking with conflict detection and fast-forward handling - Add cherry-pick functionality for applying commits between branches - Integrate gix library for Git repository operations and object handling - Add comprehensive test suite covering all Git operations - Implement proper error handling and repository validation - Add pagination support for large result sets - Create protobuf definitions for all Git operations and data structures - Add build system for gRPC code generation and dependency management
2026-06-04 13:05:38 +08:00
commit dcb0fb74c5
98 changed files with 20569 additions and 0 deletions
@@ -0,0 +1,108 @@
+use crate::bare::GitBare;
+use crate::error::{GitError, GitResult};
+use crate::pb::GetDiffStatsRequest;
+
+impl GitBare {
+    pub fn get_diff_stats(&self, request: GetDiffStatsRequest) -> GitResult<crate::pb::DiffStats> {
+        let base = match request.base.and_then(|s| s.selector) {
+            Some(crate::pb::object_selector::Selector::Oid(oid)) => oid.hex,
+            Some(crate::pb::object_selector::Selector::Revision(name)) => name.revision,
+            None => "HEAD".into(),
+        };
+        let head = match request.head.and_then(|s| s.selector) {
+            Some(crate::pb::object_selector::Selector::Oid(oid)) => oid.hex,
+            Some(crate::pb::object_selector::Selector::Revision(name)) => name.revision,
+            None => "HEAD".into(),
+        };
+        diff_stats_for_range(self, &base, &head, request.options.as_ref())
+    }
+}
+
+pub(crate) fn diff_stats_for_range(
+    repo: &GitBare,
+    base: &str,
+    head: &str,
+    options: Option<&crate::pb::DiffOptions>,
+) -> GitResult<crate::pb::DiffStats> {
+    let mut args = vec![
+        "--git-dir".to_string(),
+        repo.bare_dir.to_string_lossy().into_owned(),
+        "diff".into(),
+        "--shortstat".into(),
+    ];
+    push_diff_options(&mut args, options);
+    args.push(base.to_string());
+    args.push(head.to_string());
+    if let Some(options) = options
+        && !options.pathspec.is_empty()
+    {
+        args.push("--".into());
+        args.extend(options.pathspec.iter().cloned());
+    }
+
+    let result = duct::cmd("git", &args)
+        .stdout_capture()
+        .stderr_capture()
+        .unchecked()
+        .run()?;
+    if !result.status.success() {
+        return Err(GitError::CommandFailed {
+            status_code: result.status.code(),
+            stderr: String::from_utf8_lossy(&result.stderr).into_owned(),
+        });
+    }
+
+    Ok(parse_shortstat(&String::from_utf8_lossy(&result.stdout)))
+}
+
+pub(crate) fn parse_shortstat(output: &str) -> crate::pb::DiffStats {
+    let mut stats = crate::pb::DiffStats::default();
+    for part in output.trim().split(',') {
+        let part = part.trim();
+        if let Some(n) = part
+            .strip_suffix(" insertion(+)")
+            .or_else(|| part.strip_suffix(" insertions(+)"))
+        {
+            stats.additions = n.trim().parse().unwrap_or(0);
+        } else if let Some(n) = part
+            .strip_suffix(" deletion(-)")
+            .or_else(|| part.strip_suffix(" deletions(-)"))
+        {
+            stats.deletions = n.trim().parse().unwrap_or(0);
+        } else if let Some(n) = part
+            .strip_suffix(" file changed")
+            .or_else(|| part.strip_suffix(" files changed"))
+        {
+            stats.changed_files = n.trim().parse().unwrap_or(0);
+        }
+    }
+    stats
+}
+
+pub(crate) fn push_diff_options(args: &mut Vec<String>, options: Option<&crate::pb::DiffOptions>) {
+    let Some(options) = options else {
+        return;
+    };
+
+    if options.rename_detection {
+        args.push("-M".into());
+    }
+    if options.copy_detection {
+        args.push("-C".into());
+    }
+
+    match crate::pb::diff_options::WhitespaceMode::try_from(options.whitespace_mode)
+        .unwrap_or(crate::pb::diff_options::WhitespaceMode::DiffWhitespaceModeDefault)
+    {
+        crate::pb::diff_options::WhitespaceMode::DiffWhitespaceModeIgnoreAll => {
+            args.push("-w".into())
+        }
+        crate::pb::diff_options::WhitespaceMode::DiffWhitespaceModeIgnoreChange => {
+            args.push("-b".into())
+        }
+        crate::pb::diff_options::WhitespaceMode::DiffWhitespaceModeIgnoreEol => {
+            args.push("--ignore-space-at-eol".into());
+        }
+        _ => {}
+    }
+}