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
|
package bug
import "github.com/MichaelMure/git-bug/util/git"
var _ Operation = &SetMetadataOperation{}
type SetMetadataOperation struct {
OpBase
Target git.Hash `json:"target"`
NewMetadata map[string]string `json:"new_metadata"`
}
func (op *SetMetadataOperation) base() *OpBase {
return &op.OpBase
}
func (op *SetMetadataOperation) Hash() (git.Hash, error) {
return hashOperation(op)
}
func (op *SetMetadataOperation) Apply(snapshot *Snapshot) {
for _, target := range snapshot.Operations {
hash, err := target.Hash()
if err != nil {
// Should never error unless a programming error happened
// (covered in OpBase.Validate())
panic(err)
}
if hash == op.Target {
base := target.base()
if base.extraMetadata == nil {
base.extraMetadata = make(map[string]string)
}
for key, val := range op.NewMetadata {
if _, exist := base.extraMetadata[key]; !exist {
base.extraMetadata[key] = val
}
}
return
}
}
}
func (op *SetMetadataOperation) Validate() error {
if err := opBaseValidate(op, SetMetadataOp); err != nil {
return err
}
return nil
}
func NewSetMetadataOp(author Person, unixTime int64, target git.Hash, newMetadata map[string]string) *SetMetadataOperation {
return &SetMetadataOperation{
OpBase: newOpBase(SetMetadataOp, author, unixTime),
Target: target,
NewMetadata: newMetadata,
}
}
// Convenience function to apply the operation
func SetMetadata(b Interface, author Person, unixTime int64, target git.Hash, newMetadata map[string]string) (*SetMetadataOperation, error) {
SetMetadataOp := NewSetMetadataOp(author, unixTime, target, newMetadata)
if err := SetMetadataOp.Validate(); err != nil {
return nil, err
}
b.Append(SetMetadataOp)
return SetMetadataOp, nil
}
|
