1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
// 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"
"path/filepath"
"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(repo.Ctx, "rev-parse", "--verify", treeish).RunStdString(&RunOpts{Dir: 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(repo.Ctx, "read-tree", id.String()).RunStdString(&RunOpts{Dir: repo.Path, Env: env})
if err != nil {
return err
}
return nil
}
// ReadTreeToTemporaryIndex reads a treeish to a temporary index file
func (repo *Repository) ReadTreeToTemporaryIndex(treeish string) (filename, tmpDir string, cancel context.CancelFunc, err error) {
tmpDir, err = os.MkdirTemp("", "index")
if err != nil {
return
}
filename = filepath.Join(tmpDir, ".tmp-index")
cancel = func() {
err := util.RemoveAll(tmpDir)
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(repo.Ctx, "read-tree", "--empty").RunStdString(&RunOpts{Dir: repo.Path})
return err
}
// LsFiles checks if the given filenames are in the index
func (repo *Repository) LsFiles(filenames ...string) ([]string, error) {
cmd := NewCommand(repo.Ctx, "ls-files", "-z", "--")
for _, arg := range filenames {
if arg != "" {
cmd.AddArguments(arg)
}
}
res, _, err := cmd.RunStdBytes(&RunOpts{Dir: 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(repo.Ctx, "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.Run(&RunOpts{
Dir: repo.Path,
Stdin: bytes.NewReader(buffer.Bytes()),
Stdout: stdout,
Stderr: stderr,
})
}
// 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(repo.Ctx, "update-index", "--add", "--replace", "--cacheinfo", mode, object.String(), filename)
_, _, err := cmd.RunStdString(&RunOpts{Dir: 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) {
stdout, _, runErr := NewCommand(repo.Ctx, "write-tree").RunStdString(&RunOpts{Dir: repo.Path})
if runErr != nil {
return nil, runErr
}
id, err := NewIDFromString(strings.TrimSpace(stdout))
if err != nil {
return nil, err
}
return NewTree(repo, id), nil
}