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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
|
// SPDX-License-Identifier: AGPL-3.0-only
// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org>
package git2c
import (
"encoding/hex"
"fmt"
"time"
)
func (c *Client) ResolveRef(repoPath, refType, refName string) (string, error) {
if err := c.writer.WriteData([]byte(repoPath)); err != nil {
return "", fmt.Errorf("sending repo path failed: %w", err)
}
if err := c.writer.WriteUint(3); err != nil {
return "", fmt.Errorf("sending command failed: %w", err)
}
if err := c.writer.WriteData([]byte(refType)); err != nil {
return "", fmt.Errorf("sending ref type failed: %w", err)
}
if err := c.writer.WriteData([]byte(refName)); err != nil {
return "", fmt.Errorf("sending ref name failed: %w", err)
}
status, err := c.reader.ReadUint()
if err != nil {
return "", fmt.Errorf("reading status failed: %w", err)
}
if status != 0 {
return "", Perror(status)
}
id, err := c.reader.ReadData()
if err != nil {
return "", fmt.Errorf("reading oid failed: %w", err)
}
return hex.EncodeToString(id), nil
}
func (c *Client) ListBranches(repoPath string) ([]string, error) {
if err := c.writer.WriteData([]byte(repoPath)); err != nil {
return nil, fmt.Errorf("sending repo path failed: %w", err)
}
if err := c.writer.WriteUint(4); err != nil {
return nil, fmt.Errorf("sending command failed: %w", err)
}
status, err := c.reader.ReadUint()
if err != nil {
return nil, fmt.Errorf("reading status failed: %w", err)
}
if status != 0 {
return nil, Perror(status)
}
count, err := c.reader.ReadUint()
if err != nil {
return nil, fmt.Errorf("reading count failed: %w", err)
}
branches := make([]string, 0, count)
for range count {
name, err := c.reader.ReadData()
if err != nil {
return nil, fmt.Errorf("reading branch name failed: %w", err)
}
branches = append(branches, string(name))
}
return branches, nil
}
func (c *Client) FormatPatch(repoPath, commitHex string) (string, error) {
if err := c.writer.WriteData([]byte(repoPath)); err != nil {
return "", fmt.Errorf("sending repo path failed: %w", err)
}
if err := c.writer.WriteUint(5); err != nil {
return "", fmt.Errorf("sending command failed: %w", err)
}
if err := c.writer.WriteData([]byte(commitHex)); err != nil {
return "", fmt.Errorf("sending commit failed: %w", err)
}
status, err := c.reader.ReadUint()
if err != nil {
return "", fmt.Errorf("reading status failed: %w", err)
}
if status != 0 {
return "", Perror(status)
}
buf, err := c.reader.ReadData()
if err != nil {
return "", fmt.Errorf("reading patch failed: %w", err)
}
return string(buf), nil
}
func (c *Client) CommitPatch(repoPath, commitHex string) (parentHex string, stats string, patch string, err error) {
if err = c.writer.WriteData([]byte(repoPath)); err != nil {
return "", "", "", fmt.Errorf("sending repo path failed: %w", err)
}
if err = c.writer.WriteUint(6); err != nil {
return "", "", "", fmt.Errorf("sending command failed: %w", err)
}
if err = c.writer.WriteData([]byte(commitHex)); err != nil {
return "", "", "", fmt.Errorf("sending commit failed: %w", err)
}
status, err2 := c.reader.ReadUint()
if err2 != nil {
return "", "", "", fmt.Errorf("reading status failed: %w", err2)
}
if status != 0 {
return "", "", "", Perror(status)
}
id, err2 := c.reader.ReadData()
if err2 != nil {
return "", "", "", fmt.Errorf("reading parent oid failed: %w", err2)
}
statsBytes, err2 := c.reader.ReadData()
if err2 != nil {
return "", "", "", fmt.Errorf("reading stats failed: %w", err2)
}
patchBytes, err2 := c.reader.ReadData()
if err2 != nil {
return "", "", "", fmt.Errorf("reading patch failed: %w", err2)
}
return hex.EncodeToString(id), string(statsBytes), string(patchBytes), nil
}
func (c *Client) MergeBase(repoPath, hexA, hexB string) (string, error) {
if err := c.writer.WriteData([]byte(repoPath)); err != nil {
return "", fmt.Errorf("sending repo path failed: %w", err)
}
if err := c.writer.WriteUint(7); err != nil {
return "", fmt.Errorf("sending command failed: %w", err)
}
if err := c.writer.WriteData([]byte(hexA)); err != nil {
return "", fmt.Errorf("sending oid A failed: %w", err)
}
if err := c.writer.WriteData([]byte(hexB)); err != nil {
return "", fmt.Errorf("sending oid B failed: %w", err)
}
status, err := c.reader.ReadUint()
if err != nil {
return "", fmt.Errorf("reading status failed: %w", err)
}
if status != 0 {
return "", Perror(status)
}
base, err := c.reader.ReadData()
if err != nil {
return "", fmt.Errorf("reading base oid failed: %w", err)
}
return hex.EncodeToString(base), nil
}
func (c *Client) Log(repoPath, refSpec string, n uint) ([]Commit, error) {
if err := c.writer.WriteData([]byte(repoPath)); err != nil {
return nil, fmt.Errorf("sending repo path failed: %w", err)
}
if err := c.writer.WriteUint(8); err != nil {
return nil, fmt.Errorf("sending command failed: %w", err)
}
if err := c.writer.WriteData([]byte(refSpec)); err != nil {
return nil, fmt.Errorf("sending refspec failed: %w", err)
}
if err := c.writer.WriteUint(uint64(n)); err != nil {
return nil, fmt.Errorf("sending limit failed: %w", err)
}
status, err := c.reader.ReadUint()
if err != nil {
return nil, fmt.Errorf("reading status failed: %w", err)
}
if status != 0 {
return nil, Perror(status)
}
var out []Commit
for {
id, err := c.reader.ReadData()
if err != nil {
break
}
title, _ := c.reader.ReadData()
authorName, _ := c.reader.ReadData()
authorEmail, _ := c.reader.ReadData()
date, _ := c.reader.ReadData()
out = append(out, Commit{
Hash: hex.EncodeToString(id),
Author: string(authorName),
Email: string(authorEmail),
Date: string(date),
Message: string(title),
})
}
return out, nil
}
func (c *Client) CommitTreeOID(repoPath, commitHex string) (string, error) {
if err := c.writer.WriteData([]byte(repoPath)); err != nil {
return "", fmt.Errorf("sending repo path failed: %w", err)
}
if err := c.writer.WriteUint(12); err != nil {
return "", fmt.Errorf("sending command failed: %w", err)
}
if err := c.writer.WriteData([]byte(commitHex)); err != nil {
return "", fmt.Errorf("sending oid failed: %w", err)
}
status, err := c.reader.ReadUint()
if err != nil {
return "", fmt.Errorf("reading status failed: %w", err)
}
if status != 0 {
return "", Perror(status)
}
id, err := c.reader.ReadData()
if err != nil {
return "", fmt.Errorf("reading tree oid failed: %w", err)
}
return hex.EncodeToString(id), nil
}
func (c *Client) CommitCreate(repoPath, treeHex string, parents []string, authorName, authorEmail string, when time.Time, message string) (string, error) {
if err := c.writer.WriteData([]byte(repoPath)); err != nil {
return "", fmt.Errorf("sending repo path failed: %w", err)
}
if err := c.writer.WriteUint(13); err != nil {
return "", fmt.Errorf("sending command failed: %w", err)
}
if err := c.writer.WriteData([]byte(treeHex)); err != nil {
return "", fmt.Errorf("sending tree oid failed: %w", err)
}
if err := c.writer.WriteUint(uint64(len(parents))); err != nil {
return "", fmt.Errorf("sending parents count failed: %w", err)
}
for _, p := range parents {
if err := c.writer.WriteData([]byte(p)); err != nil {
return "", fmt.Errorf("sending parent oid failed: %w", err)
}
}
if err := c.writer.WriteData([]byte(authorName)); err != nil {
return "", fmt.Errorf("sending author name failed: %w", err)
}
if err := c.writer.WriteData([]byte(authorEmail)); err != nil {
return "", fmt.Errorf("sending author email failed: %w", err)
}
if err := c.writer.WriteInt(when.Unix()); err != nil {
return "", fmt.Errorf("sending when failed: %w", err)
}
_, offset := when.Zone()
if err := c.writer.WriteInt(int64(offset / 60)); err != nil {
return "", fmt.Errorf("sending tz offset failed: %w", err)
}
if err := c.writer.WriteData([]byte(message)); err != nil {
return "", fmt.Errorf("sending message failed: %w", err)
}
status, err := c.reader.ReadUint()
if err != nil {
return "", fmt.Errorf("reading status failed: %w", err)
}
if status != 0 {
return "", Perror(status)
}
id, err := c.reader.ReadData()
if err != nil {
return "", fmt.Errorf("reading commit oid failed: %w", err)
}
return hex.EncodeToString(id), nil
}
func (c *Client) UpdateRef(repoPath, refName, commitHex string) error {
if err := c.writer.WriteData([]byte(repoPath)); err != nil {
return fmt.Errorf("sending repo path failed: %w", err)
}
if err := c.writer.WriteUint(14); err != nil {
return fmt.Errorf("sending command failed: %w", err)
}
if err := c.writer.WriteData([]byte(refName)); err != nil {
return fmt.Errorf("sending ref name failed: %w", err)
}
if err := c.writer.WriteData([]byte(commitHex)); err != nil {
return fmt.Errorf("sending commit oid failed: %w", err)
}
status, err := c.reader.ReadUint()
if err != nil {
return fmt.Errorf("reading status failed: %w", err)
}
if status != 0 {
return Perror(status)
}
return nil
}
|
