blob: 9b706d61df8de9ec9b15eb141793f6d420bb0306 (
plain) (
blame)
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
|
package bug
import "github.com/MichaelMure/git-bug/repository"
var _ Interface = &WithSnapshot{}
// WithSnapshot encapsulate a Bug and maintain the corresponding Snapshot efficiently
type WithSnapshot struct {
*Bug
snap *Snapshot
}
// Snapshot return the current snapshot
func (b *WithSnapshot) Snapshot() *Snapshot {
if b.snap == nil {
snap := b.Bug.Compile()
b.snap = &snap
}
return b.snap
}
// Append intercept Bug.Append() to update the snapshot efficiently
func (b *WithSnapshot) Append(op Operation) {
b.Bug.Append(op)
if b.snap == nil {
return
}
op.Apply(b.snap)
b.snap.Operations = append(b.snap.Operations, op)
}
// Commit intercept Bug.Commit() to update the snapshot efficiently
func (b *WithSnapshot) Commit(repo repository.ClockedRepo) error {
err := b.Bug.Commit(repo)
if err != nil {
b.snap = nil
return err
}
// Commit() shouldn't change anything of the bug state apart from the
// initial ID set
if b.snap == nil {
return nil
}
b.snap.id = b.Bug.Id()
return nil
}
|