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// 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"
"strings"
)
// ReadTreeToIndex reads a treeish to the index
func (repo *Repository) ReadTreeToIndex(treeish 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)
}
func (repo *Repository) readTreeToIndex(id SHA1) error {
_, err := NewCommand("read-tree", id.String()).RunInDir(repo.Path)
if err != nil {
return err
}
return nil
}
// 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
}
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