/
github.go
214 lines (186 loc) · 4.37 KB
/
github.go
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
package feed
import (
"context"
"errors"
"net/http"
"github.com/devon-mar/regexupdater/utils/githubutil"
"github.com/google/go-github/v45/github"
)
const (
typeGitHub = "github"
)
type gitHubConfig struct {
Owner string `cfg:"owner" validate:"required"`
Repo string `cfg:"repo" validate:"required"`
Tags bool `cfg:"tags"`
IncludePrereleases bool `cfg:"include_prereleases"`
}
type GitHub struct {
githubutil.GitHubOptions `cfg:",squash"`
PageSize int `cfg:"page_size" validate:"omitempty,gte=0"`
Limit int `cfg:"limit" validate:"gte=0"`
client *github.Client
}
func (g *GitHub) init() error {
var err error
if g.PageSize == 0 {
// 100 is the max.
g.PageSize = 100
}
if g.Limit == 0 {
g.Limit = g.PageSize
}
g.client, _, _, err = githubutil.NewGitHub(&g.GitHubOptions)
return err
}
// NewConfig implements Feed
func (*GitHub) NewConfig(c map[string]interface{}) (interface{}, error) {
return newConfig(c, &gitHubConfig{})
}
// GetRelease implements Feed
func (g *GitHub) GetRelease(release string, config interface{}) (*Release, error) {
cfg := config.(*gitHubConfig)
if cfg.Tags {
return g.getReleaseTags(release, cfg)
}
return g.getReleaseReleases(release, cfg)
}
func (g *GitHub) getReleaseReleases(release string, cfg *gitHubConfig) (*Release, error) {
rel, resp, err := g.client.Repositories.GetReleaseByTag(
context.Background(),
cfg.Owner,
cfg.Repo,
release,
)
if err != nil && resp != nil && resp.StatusCode == http.StatusNotFound {
return nil, nil
} else if err != nil {
return nil, err
}
if rel.GetPrerelease() && !cfg.IncludePrereleases {
return nil, nil
}
return releaseFromGHRelease(rel), nil
}
func (g *GitHub) getReleaseTags(release string, cfg *gitHubConfig) (*Release, error) {
ref, resp, err := g.client.Git.GetRef(
context.Background(),
cfg.Owner,
cfg.Repo,
"tags/"+release,
)
if err != nil && resp != nil && resp.StatusCode == http.StatusNotFound {
return nil, nil
} else if err != nil {
return nil, err
}
if ref.Object == nil {
return nil, errors.New("ref object was nil")
}
if ref.Object.SHA == nil {
return nil, errors.New("ref object SHA was nil")
}
tag, _, err := g.client.Git.GetTag(
context.Background(),
cfg.Owner,
cfg.Repo,
*ref.Object.SHA,
)
if err != nil {
return nil, err
}
return &Release{
Version: tag.GetTag(),
URL: tag.GetURL(),
}, nil
}
// GetReleases implements Feed
func (g *GitHub) GetReleases(config interface{}, done chan struct{}) (chan *Release, chan error) {
relChan := make(chan *Release)
errChan := make(chan error)
cfg := config.(*gitHubConfig)
go func() {
defer close(errChan)
defer close(relChan)
if cfg.Tags {
g.getReleasesTags(cfg, relChan, errChan, done)
} else {
g.getReleasesReleases(cfg, relChan, errChan, done)
}
}()
return limit(relChan, errChan, g.Limit)
}
func (g *GitHub) getReleasesReleases(cfg *gitHubConfig, relChan chan *Release, errChan chan error, done chan struct{}) {
listOpts := &github.ListOptions{
PerPage: g.PageSize,
}
for {
releases, resp, err := g.client.Repositories.ListReleases(
context.Background(),
cfg.Owner,
cfg.Repo,
listOpts,
)
if err != nil {
errChan <- err
return
}
for _, r := range releases {
if r.GetPrerelease() && !cfg.IncludePrereleases {
continue
}
select {
case relChan <- releaseFromGHRelease(r):
case <-done:
return
}
}
if resp.NextPage == 0 {
break
}
listOpts.Page = resp.NextPage
}
}
func (g *GitHub) getReleasesTags(cfg *gitHubConfig, relChan chan *Release, errChan chan error, done chan struct{}) {
listOpts := &github.ListOptions{
PerPage: g.PageSize,
}
for {
tags, resp, err := g.client.Repositories.ListTags(
context.Background(),
cfg.Owner,
cfg.Repo,
listOpts,
)
if err != nil {
errChan <- err
return
}
for _, t := range tags {
var url string
if t.Commit != nil && t.Commit.HTMLURL != nil {
url = *t.Commit.HTMLURL
}
rel := &Release{
Version: t.GetName(),
URL: url,
}
select {
case relChan <- rel:
case <-done:
return
}
}
if resp.NextPage == 0 {
break
}
listOpts.Page = resp.NextPage
}
}
func releaseFromGHRelease(r *github.RepositoryRelease) *Release {
return &Release{
Version: r.GetTagName(),
ReleaseNotes: r.GetBody(),
URL: r.GetHTMLURL(),
}
}