Files
gitea/modules/gitrepo/commit_file.go

94 lines
2.3 KiB
Go

// Copyright 2025 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package gitrepo
import (
"bufio"
"bytes"
"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) {
stdout, w := io.Pipe()
done := make(chan struct{})
fileStatus := NewCommitFileStatus()
go func() {
parseCommitFileStatus(fileStatus, stdout)
close(done)
}()
stderr := new(bytes.Buffer)
err := gitcmd.NewCommand("log", "--name-status", "-m", "--pretty=format:", "--first-parent", "--no-renames", "-z", "-1").
AddDynamicArguments(commitID).
WithDir(repoPath(repo)).
WithStdout(w).
WithStderr(stderr).
Run(ctx)
w.Close() // Close writer to exit parsing goroutine
if err != nil {
return nil, gitcmd.ConcatenateError(err, stderr.String())
}
<-done
return fileStatus, nil
}