Files
gitea/modules/gitrepo/commit_file.go
wxiaoguang 3a09d7aa8d Refactor git command stdio pipe (#36422)
Most potential deadlock problems should have been fixed, and new code is
unlikely to cause new problems with the new design.

Also raise the minimum Git version required to 2.6.0 (released in 2015)
2026-01-22 06:04:26 +00:00

89 lines
2.2 KiB
Go

// Copyright 2025 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package gitrepo
import (
"bufio"
"context"
"io"
"code.gitea.io/gitea/modules/git/gitcmd"
"code.gitea.io/gitea/modules/log"
)
// CommitFileStatus represents status of files in a commit.
type CommitFileStatus struct {
Added []string
Removed []string
Modified []string
}
// NewCommitFileStatus creates a CommitFileStatus
func NewCommitFileStatus() *CommitFileStatus {
return &CommitFileStatus{
[]string{}, []string{}, []string{},
}
}
func parseCommitFileStatus(fileStatus *CommitFileStatus, stdout io.Reader) {
rd := bufio.NewReader(stdout)
peek, err := rd.Peek(1)
if err != nil {
if err != io.EOF {
log.Error("Unexpected error whilst reading from git log --name-status. Error: %v", err)
}
return
}
if peek[0] == '\n' || peek[0] == '\x00' {
_, _ = rd.Discard(1)
}
for {
modifier, err := rd.ReadString('\x00')
if err != nil {
if err != io.EOF {
log.Error("Unexpected error whilst reading from git log --name-status. Error: %v", err)
}
return
}
file, err := rd.ReadString('\x00')
if err != nil {
if err != io.EOF {
log.Error("Unexpected error whilst reading from git log --name-status. Error: %v", err)
}
return
}
file = file[:len(file)-1]
switch modifier[0] {
case 'A':
fileStatus.Added = append(fileStatus.Added, file)
case 'D':
fileStatus.Removed = append(fileStatus.Removed, file)
case 'M':
fileStatus.Modified = append(fileStatus.Modified, file)
}
}
}
// GetCommitFileStatus returns file status of commit in given repository.
func GetCommitFileStatus(ctx context.Context, repo Repository, commitID string) (*CommitFileStatus, error) {
cmd := gitcmd.NewCommand("log", "--name-status", "-m", "--pretty=format:", "--first-parent", "--no-renames", "-z", "-1")
stdout, stdoutClose := cmd.MakeStdoutPipe()
defer stdoutClose()
done := make(chan struct{})
fileStatus := NewCommitFileStatus()
go func() {
parseCommitFileStatus(fileStatus, stdout)
close(done)
}()
err := cmd.AddDynamicArguments(commitID).
WithDir(repoPath(repo)).
RunWithStderr(ctx)
if err != nil {
return nil, err
}
<-done
return fileStatus, nil
}