forgejo-federation/modules/git/notes_nogogit.go
zeripath 270aab429e
On open repository open common cat file batch and batch-check (#15667)
Use common git cat-file --batch and git cat-file --batch-check to
significantly reduce calls to git.
    
Signed-off-by: Andrew Thornton <art27@cantab.net>
2021-05-10 03:27:03 +02:00

73 lines
1.3 KiB
Go

// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
// +build !gogit
package git
import (
"io/ioutil"
"strings"
)
// GetNote retrieves the git-notes data for a given commit.
func GetNote(repo *Repository, commitID string, note *Note) error {
notes, err := repo.GetCommit(NotesRef)
if err != nil {
return err
}
path := ""
tree := &notes.Tree
var entry *TreeEntry
for len(commitID) > 2 {
entry, err = tree.GetTreeEntryByPath(commitID)
if err == nil {
path += commitID
break
}
if IsErrNotExist(err) {
tree, err = tree.SubTree(commitID[0:2])
path += commitID[0:2] + "/"
commitID = commitID[2:]
}
if err != nil {
return err
}
}
dataRc, err := entry.Blob().DataAsync()
if err != nil {
return err
}
closed := false
defer func() {
if !closed {
_ = dataRc.Close()
}
}()
d, err := ioutil.ReadAll(dataRc)
if err != nil {
return err
}
_ = dataRc.Close()
closed = true
note.Message = d
treePath := ""
if idx := strings.LastIndex(path, "/"); idx > -1 {
treePath = path[:idx]
path = path[idx+1:]
}
lastCommits, err := GetLastCommitForPaths(notes, treePath, []string{path})
if err != nil {
return err
}
note.Commit = lastCommits[0]
return nil
}