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gitea/modules/git/repo_commitgraph.go
Filip Navara 6e2a59e4ce Use commit graph files for listing pages (#7314)
* Experimental support for git commit graph files and bloom filter index

Signed-off-by: Filip Navara <filip.navara@gmail.com>

* Force vendor of commitgraph

Signed-off-by: Filip Navara <filip.navara@gmail.com>

* Remove bloom filter experiment and debug prints

* Remove old code for building commit graphs

* Remove unused function

* Remove mmap usage

* gofmt

* sort vendor/modules.txt

* Add copyright header and log commit-graph error
2019-07-02 10:15:14 +08:00

35 lines
978 B
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.
package git
import (
"os"
"path"
gitealog "code.gitea.io/gitea/modules/log"
"gopkg.in/src-d/go-git.v4/plumbing/format/commitgraph"
cgobject "gopkg.in/src-d/go-git.v4/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
}