forked from gitea/gitea
129 lines
3.5 KiB
Go
129 lines
3.5 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.
|
|
|
|
package git
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"os"
|
|
"strings"
|
|
|
|
"code.gitea.io/gitea/modules/log"
|
|
"code.gitea.io/gitea/modules/util"
|
|
)
|
|
|
|
// ReadTreeToIndex reads a treeish to the index
|
|
func (repo *Repository) ReadTreeToIndex(treeish string, indexFilename ...string) error {
|
|
if len(treeish) != 40 {
|
|
res, err := NewCommand("rev-parse", "--verify", treeish).RunInDir(repo.Path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if len(res) > 0 {
|
|
treeish = res[:len(res)-1]
|
|
}
|
|
}
|
|
id, err := NewIDFromString(treeish)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return repo.readTreeToIndex(id, indexFilename...)
|
|
}
|
|
|
|
func (repo *Repository) readTreeToIndex(id SHA1, indexFilename ...string) error {
|
|
var env []string
|
|
if len(indexFilename) > 0 {
|
|
env = append(os.Environ(), "GIT_INDEX_FILE="+indexFilename[0])
|
|
}
|
|
_, err := NewCommand("read-tree", id.String()).RunInDirWithEnv(repo.Path, env)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// ReadTreeToTemporaryIndex reads a treeish to a temporary index file
|
|
func (repo *Repository) ReadTreeToTemporaryIndex(treeish string) (filename string, cancel context.CancelFunc, err error) {
|
|
tmpIndex, err := os.CreateTemp("", "index")
|
|
if err != nil {
|
|
return
|
|
}
|
|
filename = tmpIndex.Name()
|
|
cancel = func() {
|
|
err := util.Remove(filename)
|
|
if err != nil {
|
|
log.Error("failed to remove tmp index file: %v", err)
|
|
}
|
|
}
|
|
err = repo.ReadTreeToIndex(treeish, filename)
|
|
if err != nil {
|
|
defer cancel()
|
|
return "", func() {}, err
|
|
}
|
|
return
|
|
}
|
|
|
|
// EmptyIndex empties the index
|
|
func (repo *Repository) EmptyIndex() error {
|
|
_, err := NewCommand("read-tree", "--empty").RunInDir(repo.Path)
|
|
return err
|
|
}
|
|
|
|
// LsFiles checks if the given filenames are in the index
|
|
func (repo *Repository) LsFiles(filenames ...string) ([]string, error) {
|
|
cmd := NewCommand("ls-files", "-z", "--")
|
|
for _, arg := range filenames {
|
|
if arg != "" {
|
|
cmd.AddArguments(arg)
|
|
}
|
|
}
|
|
res, err := cmd.RunInDirBytes(repo.Path)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
filelist := make([]string, 0, len(filenames))
|
|
for _, line := range bytes.Split(res, []byte{'\000'}) {
|
|
filelist = append(filelist, string(line))
|
|
}
|
|
|
|
return filelist, err
|
|
}
|
|
|
|
// RemoveFilesFromIndex removes given filenames from the index - it does not check whether they are present.
|
|
func (repo *Repository) RemoveFilesFromIndex(filenames ...string) error {
|
|
cmd := NewCommand("update-index", "--remove", "-z", "--index-info")
|
|
stdout := new(bytes.Buffer)
|
|
stderr := new(bytes.Buffer)
|
|
buffer := new(bytes.Buffer)
|
|
for _, file := range filenames {
|
|
if file != "" {
|
|
buffer.WriteString("0 0000000000000000000000000000000000000000\t")
|
|
buffer.WriteString(file)
|
|
buffer.WriteByte('\000')
|
|
}
|
|
}
|
|
return cmd.RunInDirFullPipeline(repo.Path, stdout, stderr, bytes.NewReader(buffer.Bytes()))
|
|
}
|
|
|
|
// AddObjectToIndex adds the provided object hash to the index at the provided filename
|
|
func (repo *Repository) AddObjectToIndex(mode string, object SHA1, filename string) error {
|
|
cmd := NewCommand("update-index", "--add", "--replace", "--cacheinfo", mode, object.String(), filename)
|
|
_, err := cmd.RunInDir(repo.Path)
|
|
return err
|
|
}
|
|
|
|
// WriteTree writes the current index as a tree to the object db and returns its hash
|
|
func (repo *Repository) WriteTree() (*Tree, error) {
|
|
res, err := NewCommand("write-tree").RunInDir(repo.Path)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
id, err := NewIDFromString(strings.TrimSpace(res))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return NewTree(repo, id), nil
|
|
}
|