gitea/modules/git/repo_commitgraph_gogit.go

38 lines
946 B
Go

// Copyright 2019 The Gitea Authors.
// All rights reserved.
// SPDX-License-Identifier: MIT
//go:build gogit
package git
import (
"os"
"path"
gitealog "code.gitea.io/gitea/modules/log"
commitgraph "github.com/go-git/go-git/v5/plumbing/format/commitgraph/v2"
cgobject "github.com/go-git/go-git/v5/plumbing/object/commitgraph"
)
// CommitNodeIndex returns the index for walking commit graph
func (r *Repository) CommitNodeIndex() (cgobject.CommitNodeIndex, *os.File) {
indexPath := path.Join(r.Path, "objects", "info", "commit-graph")
file, err := os.Open(indexPath)
if err == nil {
var index commitgraph.Index
index, err = commitgraph.OpenFileIndex(file)
if err == nil {
return cgobject.NewGraphCommitNodeIndex(index, r.gogitRepo.Storer), file
}
}
if !os.IsNotExist(err) {
gitealog.Warn("Unable to read commit-graph for %s: %v", r.Path, err)
}
return cgobject.NewObjectCommitNodeIndex(r.gogitRepo.Storer), nil
}