36 lines
979 B
Go
36 lines
979 B
Go
// Copyright 2019 The Gitea Authors.
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// All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package git
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import (
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"os"
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"path"
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gitealog "code.gitea.io/gitea/modules/log"
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"gopkg.in/src-d/go-git.v4/plumbing/format/commitgraph"
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cgobject "gopkg.in/src-d/go-git.v4/plumbing/object/commitgraph"
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)
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// CommitNodeIndex returns the index for walking commit graph
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func (r *Repository) CommitNodeIndex() (cgobject.CommitNodeIndex, *os.File) {
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indexPath := path.Join(r.Path, "objects", "info", "commit-graph")
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file, err := os.Open(indexPath)
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if err == nil {
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var index commitgraph.Index
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index, err = commitgraph.OpenFileIndex(file)
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if err == nil {
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return cgobject.NewGraphCommitNodeIndex(index, r.gogitRepo.Storer), file
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}
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}
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if !os.IsNotExist(err) {
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gitealog.Warn("Unable to read commit-graph for %s: %v", r.Path, err)
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}
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return cgobject.NewObjectCommitNodeIndex(r.gogitRepo.Storer), nil
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}
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