oppi.li
1package git
2
3import (
4 "encoding/base64"
5 "fmt"
6 "io"
7 "time"
8
9 "github.com/go-git/go-billy/v5/memfs"
10 "github.com/go-git/go-git/v5/plumbing/object"
11 "github.com/go-git/go-git/v5/storage/memory"
12)
13
14type b64signer struct{}
15
16// This is not secure, and is only used as an example for testing purposes.
17// Please don't do this.
18func (b64signer) Sign(message io.Reader) ([]byte, error) {
19 b, err := io.ReadAll(message)
20 if err != nil {
21 return nil, err
22 }
23 out := make([]byte, base64.StdEncoding.EncodedLen(len(b)))
24 base64.StdEncoding.Encode(out, b)
25 return out, nil
26}
27
28func ExampleSigner() {
29 repo, err := Init(memory.NewStorage(), memfs.New())
30 if err != nil {
31 panic(err)
32 }
33 w, err := repo.Worktree()
34 if err != nil {
35 panic(err)
36 }
37 commit, err := w.Commit("example commit", &CommitOptions{
38 Author: &object.Signature{
39 Name: "John Doe",
40 Email: "john@example.com",
41 When: time.UnixMicro(1234567890).UTC(),
42 },
43 Signer: b64signer{},
44 AllowEmptyCommits: true,
45 })
46 if err != nil {
47 panic(err)
48 }
49
50 obj, err := repo.CommitObject(commit)
51 if err != nil {
52 panic(err)
53 }
54 fmt.Println(obj.PGPSignature)
55 // Output: dHJlZSA0YjgyNWRjNjQyY2I2ZWI5YTA2MGU1NGJmOGQ2OTI4OGZiZWU0OTA0CmF1dGhvciBKb2huIERvZSA8am9obkBleGFtcGxlLmNvbT4gMTIzNCArMDAwMApjb21taXR0ZXIgSm9obiBEb2UgPGpvaG5AZXhhbXBsZS5jb20+IDEyMzQgKzAwMDAKCmV4YW1wbGUgY29tbWl0
56}