/
repo_commitgraph.go
47 lines (39 loc) · 1.38 KB
/
repo_commitgraph.go
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// Copyright 2022 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.
package git
import (
"context"
"fmt"
"os"
"path"
"github.com/enverbisevac/gitlib/log"
"github.com/go-git/go-git/v5/plumbing/format/commitgraph"
cgobject "github.com/go-git/go-git/v5/plumbing/object/commitgraph"
)
// WriteCommitGraph write commit graph to speed up repo access
// this requires git v2.18 to be installed
func WriteCommitGraph(ctx context.Context, repoPath string) error {
if CheckGitVersionAtLeast("2.18") == nil {
if _, _, err := NewCommand(ctx, "commit-graph", "write").RunStdString(&RunOpts{Dir: repoPath}); err != nil {
return fmt.Errorf("unable to write commit-graph for '%s' : %w", repoPath, err)
}
}
return nil
}
// 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.gogit.Storer), file
}
}
if !os.IsNotExist(err) {
log.Info("Unable to read commit-graph for %s: %v", r.Path, err)
}
return cgobject.NewObjectCommitNodeIndex(r.gogit.Storer), nil
}