handle git commit author signature

Author: petar

git/embed.go

@@ -45,7 +45,7 @@ func Embed(
 	mergedTreeHash := mergeTrees(ctx, repo, branchCommit.TreeHash, embeddingsTreeHash, allowOverride)
 
 	// create a commit
-	opts := git.CommitOptions{}
+	opts := git.CommitOptions{Author: GetAuthor()}
 	must.NoError(ctx, opts.Validate(repo))
 	commit := object.Commit{
 		Author:       *opts.Author,

git/embed_test.go

@@ -91,6 +91,6 @@ func populate(ctx context.Context, r *git.Repository, nonce string, createBranch
 	must.NoError(ctx, err)
 	_, err = w.Add(nonce)
 	must.NoError(ctx, err)
-	_, err = w.Commit(nonce, &git.CommitOptions{})
+	_, err = w.Commit(nonce, &git.CommitOptions{Author: GetAuthor()})
 	must.NoError(ctx, err)
 }

git/git.go

@@ -128,7 +128,7 @@ func Add(ctx context.Context, wt *Tree, path string) {
 }
 
 func Commit(ctx context.Context, wt *Tree, msg string) {
-	if _, err := wt.Commit(msg, &git.CommitOptions{}); err != nil {
+	if _, err := wt.Commit(msg, &git.CommitOptions{Author: GetAuthor()}); err != nil {
 		must.Panic(ctx, err)
 	}
 }

git/signature.go

@@ -0,0 +1,32 @@
+package git
+
+import (
+	"sync"
+	"time"
+
+	"github.com/go-git/go-git/v5/plumbing/object"
+)
+
+var (
+	authorLk sync.Mutex
+	author   *object.Signature = &object.Signature{
+		Name:  "gov4git",
+		Email: "no-reply@gov4git.xyz",
+	}
+)
+
+func SetAuthor(name string, email string) {
+	authorLk.Lock()
+	defer authorLk.Unlock()
+	author = &object.Signature{
+		Name:  name,
+		Email: email,
+		When:  time.Now(),
+	}
+}
+
+func GetAuthor() *object.Signature {
+	authorLk.Lock()
+	defer authorLk.Unlock()
+	return author
+}