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
|
// Copyright 2015 The Gogs Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package git
import (
"bytes"
"sort"
"code.gitea.io/gitea/modules/util"
)
// Tag represents a Git tag.
type Tag struct {
Name string
ID ObjectID
Object ObjectID // The id of this commit object
Type string
Tagger *Signature
Message string
Signature *CommitSignature
}
// Commit return the commit of the tag reference
func (tag *Tag) Commit(gitRepo *Repository) (*Commit, error) {
return gitRepo.getCommit(tag.Object)
}
func parsePayloadSignature(data []byte, messageStart int) (payload, msg, sign string) {
pos := messageStart
signStart, signEnd := -1, -1
for {
eol := bytes.IndexByte(data[pos:], '\n')
if eol < 0 {
break
}
line := data[pos : pos+eol]
signType, hasPrefix := bytes.CutPrefix(line, []byte("-----BEGIN "))
signType, hasSuffix := bytes.CutSuffix(signType, []byte(" SIGNATURE-----"))
if hasPrefix && hasSuffix {
signEndBytes := append([]byte("\n-----END "), signType...)
signEndBytes = append(signEndBytes, []byte(" SIGNATURE-----")...)
signEnd = bytes.Index(data[pos:], signEndBytes)
if signEnd != -1 {
signStart = pos
signEnd = pos + signEnd + len(signEndBytes)
}
}
pos += eol + 1
}
if signStart != -1 && signEnd != -1 {
msgEnd := max(messageStart, signStart-1)
return string(data[:msgEnd]), string(data[messageStart:msgEnd]), string(data[signStart:signEnd])
}
return string(data), string(data[messageStart:]), ""
}
// Parse commit information from the (uncompressed) raw
// data from the commit object.
// \n\n separate headers from message
func parseTagData(objectFormat ObjectFormat, data []byte) (*Tag, error) {
tag := new(Tag)
tag.ID = objectFormat.EmptyObjectID()
tag.Object = objectFormat.EmptyObjectID()
tag.Tagger = &Signature{}
pos := 0
for {
eol := bytes.IndexByte(data[pos:], '\n')
if eol == -1 {
break // shouldn't happen, but could just tolerate it
}
if eol == 0 {
pos++
break // end of headers
}
line := data[pos : pos+eol]
key, val, _ := bytes.Cut(line, []byte(" "))
switch string(key) {
case "object":
id, err := NewIDFromString(string(val))
if err != nil {
return nil, err
}
tag.Object = id
case "type":
tag.Type = string(val) // A commit can have one or more parents
case "tagger":
tag.Tagger = parseSignatureFromCommitLine(util.UnsafeBytesToString(val))
}
pos += eol + 1
}
payload, msg, sign := parsePayloadSignature(data, pos)
tag.Message = msg
if len(sign) > 0 {
tag.Signature = &CommitSignature{Signature: sign, Payload: payload}
}
return tag, nil
}
type tagSorter []*Tag
func (ts tagSorter) Len() int {
return len([]*Tag(ts))
}
func (ts tagSorter) Less(i, j int) bool {
return []*Tag(ts)[i].Tagger.When.After([]*Tag(ts)[j].Tagger.When)
}
func (ts tagSorter) Swap(i, j int) {
[]*Tag(ts)[i], []*Tag(ts)[j] = []*Tag(ts)[j], []*Tag(ts)[i]
}
// sortTagsByTime
func sortTagsByTime(tags []*Tag) {
sorter := tagSorter(tags)
sort.Sort(sorter)
}
|
