feat(api): extend commit and diff services with new functionality

- Add FindCommit, ListCommitsByOid, CommitIsAncestor RPCs to CommitService - Add CheckObjectsExist, CommitsByMessage, GetCommitStats RPCs to CommitService - Add LastCommitForPath, CountCommits, CountDivergingCommits RPCs to CommitService - Add RawDiff, RawPatch, FindChangedPaths RPCs to DiffService - Add FindMergeBase, WriteRef, SearchFilesByContent RPCs to RepositoryService - Add SearchFilesByName, ObjectsSize, RepositorySize RPCs to RepositoryService - Add FindLicense, OptimizeRepository, GetRawChanges RPCs to RepositoryService - Add FetchRemote, CreateRepositoryFromURL RPCs to RepositoryService - Implement server handlers for all new RPC methods - Add new modules for commit counting, finding, and querying features - Add new modules for diff changed paths and raw operations - Add new modules for refs and remote operations - Remove unnecessary comments from various source files - Update proto definitions with new message types and service methods
2026-06-08 15:37:08 +08:00
parent 8f472a0443
commit 66afd932ed
43 changed files with 3070 additions and 75 deletions
@@ -0,0 +1,73 @@
+use crate::bare::GitBare;
+use crate::error::GitResult;
+use crate::pb::*;
+
+impl GitBare {
+    /// Find the best merge base for a set of revisions (OIDs).
+    pub fn find_merge_base(&self, request: FindMergeBaseRequest) -> GitResult<FindMergeBaseResponse> {
+        if request.revisions.is_empty() {
+            return Ok(FindMergeBaseResponse::default());
+        }
+
+        let revisions: Vec<String> = request
+            .revisions
+            .iter()
+            .map(|b| String::from_utf8_lossy(b).to_string())
+            .collect();
+
+        if revisions.len() < 2 {
+            return Ok(FindMergeBaseResponse {
+                base_oid: revisions.first().cloned().unwrap_or_default(),
+            });
+        }
+
+        let mut args = vec![
+            "--git-dir".to_string(),
+            self.bare_dir.to_string_lossy().into_owned(),
+            "merge-base".to_string(),
+        ];
+        args.extend(revisions.iter().cloned());
+
+        let output = std::process::Command::new("git")
+            .args(&args)
+            .stdout(std::process::Stdio::piped())
+            .stderr(std::process::Stdio::piped())
+            .output()
+            .map_err(|e| crate::error::GitError::CommandFailed {
+                status_code: None,
+                stderr: e.to_string(),
+            })?;
+
+        if !output.status.success() {
+            return Ok(FindMergeBaseResponse {
+                base_oid: String::new(),
+            });
+        }
+
+        let base_oid = String::from_utf8_lossy(&output.stdout).trim().to_string();
+        Ok(FindMergeBaseResponse { base_oid })
+    }
+
+    /// Check if one commit is an ancestor of another.
+    pub fn commit_is_ancestor(&self, request: CommitIsAncestorRequest) -> GitResult<CommitIsAncestorResponse> {
+        crate::sanitize::validate_revision(&request.ancestor_oid)?;
+        crate::sanitize::validate_revision(&request.descendant_oid)?;
+
+        let result = std::process::Command::new("git")
+            .args([
+                "--git-dir",
+                &self.bare_dir.to_string_lossy(),
+                "merge-base",
+                "--is-ancestor",
+                &request.ancestor_oid,
+                &request.descendant_oid,
+            ])
+            .stdout(std::process::Stdio::null())
+            .stderr(std::process::Stdio::null())
+            .status()
+            .map(|s| s.success())
+            .unwrap_or(false);
+
+        Ok(CommitIsAncestorResponse { is_ancestor: result })
+    }
+}