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
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
|
package cache
import (
"fmt"
"io"
"strings"
"github.com/MichaelMure/git-bug/bug"
"github.com/MichaelMure/git-bug/bug/operations"
"github.com/MichaelMure/git-bug/repository"
"github.com/MichaelMure/git-bug/util"
)
type Cacher interface {
RegisterRepository(ref string, repo repository.Repo)
RegisterDefaultRepository(repo repository.Repo)
ResolveRepo(ref string) (RepoCacher, error)
DefaultRepo() (RepoCacher, error)
}
type RepoCacher interface {
Repository() repository.Repo
ResolveBug(id string) (BugCacher, error)
ResolveBugPrefix(prefix string) (BugCacher, error)
AllBugIds() ([]string, error)
ClearAllBugs()
// Mutations
NewBug(title string, message string) (BugCacher, error)
NewBugWithFiles(title string, message string, files []util.Hash) (BugCacher, error)
Fetch(remote string) (string, error)
MergeAll(remote string) <-chan bug.MergeResult
Pull(remote string, out io.Writer) error
Push(remote string) (string, error)
}
type BugCacher interface {
Snapshot() *bug.Snapshot
ClearSnapshot()
// Mutations
AddComment(message string) error
AddCommentWithFiles(message string, files []util.Hash) error
ChangeLabels(added []string, removed []string) error
Open() error
Close() error
SetTitle(title string) error
Commit() error
CommitAsNeeded() error
}
// Cacher ------------------------
type RootCache struct {
repos map[string]RepoCacher
}
func NewCache() RootCache {
return RootCache{
repos: make(map[string]RepoCacher),
}
}
func (c *RootCache) RegisterRepository(ref string, repo repository.Repo) {
c.repos[ref] = NewRepoCache(repo)
}
func (c *RootCache) RegisterDefaultRepository(repo repository.Repo) {
c.repos[""] = NewRepoCache(repo)
}
func (c *RootCache) DefaultRepo() (RepoCacher, error) {
if len(c.repos) != 1 {
return nil, fmt.Errorf("repository is not unique")
}
for _, r := range c.repos {
return r, nil
}
panic("unreachable")
}
func (c *RootCache) ResolveRepo(ref string) (RepoCacher, error) {
r, ok := c.repos[ref]
if !ok {
return nil, fmt.Errorf("unknown repo")
}
return r, nil
}
// Repo ------------------------
type RepoCache struct {
repo repository.Repo
bugs map[string]BugCacher
}
func NewRepoCache(r repository.Repo) RepoCacher {
return &RepoCache{
repo: r,
bugs: make(map[string]BugCacher),
}
}
func (c *RepoCache) Repository() repository.Repo {
return c.repo
}
func (c *RepoCache) ResolveBug(id string) (BugCacher, error) {
cached, ok := c.bugs[id]
if ok {
return cached, nil
}
b, err := bug.ReadLocalBug(c.repo, id)
if err != nil {
return nil, err
}
cached = NewBugCache(c.repo, b)
c.bugs[id] = cached
return cached, nil
}
func (c *RepoCache) ResolveBugPrefix(prefix string) (BugCacher, error) {
// preallocate but empty
matching := make([]string, 0, 5)
for id := range c.bugs {
if strings.HasPrefix(id, prefix) {
matching = append(matching, id)
}
}
// TODO: should check matching bug in the repo as well
if len(matching) > 1 {
return nil, fmt.Errorf("Multiple matching bug found:\n%s", strings.Join(matching, "\n"))
}
if len(matching) == 1 {
b := c.bugs[matching[0]]
return b, nil
}
b, err := bug.FindLocalBug(c.repo, prefix)
if err != nil {
return nil, err
}
cached := NewBugCache(c.repo, b)
c.bugs[b.Id()] = cached
return cached, nil
}
func (c *RepoCache) AllBugIds() ([]string, error) {
return bug.ListLocalIds(c.repo)
}
func (c *RepoCache) ClearAllBugs() {
c.bugs = make(map[string]BugCacher)
}
func (c *RepoCache) NewBug(title string, message string) (BugCacher, error) {
return c.NewBugWithFiles(title, message, nil)
}
func (c *RepoCache) NewBugWithFiles(title string, message string, files []util.Hash) (BugCacher, error) {
author, err := bug.GetUser(c.repo)
if err != nil {
return nil, err
}
b, err := operations.CreateWithFiles(author, title, message, files)
if err != nil {
return nil, err
}
err = b.Commit(c.repo)
if err != nil {
return nil, err
}
cached := NewBugCache(c.repo, b)
c.bugs[b.Id()] = cached
return cached, nil
}
func (c *RepoCache) Fetch(remote string) (string, error) {
return bug.Fetch(c.repo, remote)
}
func (c *RepoCache) MergeAll(remote string) <-chan bug.MergeResult {
return bug.MergeAll(c.repo, remote)
}
func (c *RepoCache) Pull(remote string, out io.Writer) error {
return bug.Pull(c.repo, out, remote)
}
func (c *RepoCache) Push(remote string) (string, error) {
return bug.Push(c.repo, remote)
}
// Bug ------------------------
type BugCache struct {
repo repository.Repo
bug *bug.Bug
snap *bug.Snapshot
}
func NewBugCache(repo repository.Repo, b *bug.Bug) BugCacher {
return &BugCache{
repo: repo,
bug: b,
}
}
func (c *BugCache) Snapshot() *bug.Snapshot {
if c.snap == nil {
snap := c.bug.Compile()
c.snap = &snap
}
return c.snap
}
func (c *BugCache) ClearSnapshot() {
c.snap = nil
}
func (c *BugCache) AddComment(message string) error {
return c.AddCommentWithFiles(message, nil)
}
func (c *BugCache) AddCommentWithFiles(message string, files []util.Hash) error {
author, err := bug.GetUser(c.repo)
if err != nil {
return err
}
operations.CommentWithFiles(c.bug, author, message, files)
// TODO: perf --> the snapshot could simply be updated with the new op
c.ClearSnapshot()
return nil
}
func (c *BugCache) ChangeLabels(added []string, removed []string) error {
author, err := bug.GetUser(c.repo)
if err != nil {
return err
}
err = operations.ChangeLabels(nil, c.bug, author, added, removed)
if err != nil {
return err
}
// TODO: perf --> the snapshot could simply be updated with the new op
c.ClearSnapshot()
return nil
}
func (c *BugCache) Open() error {
author, err := bug.GetUser(c.repo)
if err != nil {
return err
}
operations.Open(c.bug, author)
// TODO: perf --> the snapshot could simply be updated with the new op
c.ClearSnapshot()
return nil
}
func (c *BugCache) Close() error {
author, err := bug.GetUser(c.repo)
if err != nil {
return err
}
operations.Close(c.bug, author)
// TODO: perf --> the snapshot could simply be updated with the new op
c.ClearSnapshot()
return nil
}
func (c *BugCache) SetTitle(title string) error {
author, err := bug.GetUser(c.repo)
if err != nil {
return err
}
operations.SetTitle(c.bug, author, title)
// TODO: perf --> the snapshot could simply be updated with the new op
c.ClearSnapshot()
return nil
}
func (c *BugCache) Commit() error {
return c.bug.Commit(c.repo)
}
func (c *BugCache) CommitAsNeeded() error {
if c.bug.HasPendingOp() {
return c.bug.Commit(c.repo)
}
return nil
}
|
