Update

.gitignore

@@ -0,0 +1 @@
+main.log

main.go

@@ -11,6 +11,7 @@ import (
 	"time"
 
 	"github.com/go-git/go-git/v5"
+	"github.com/go-git/go-git/v5/plumbing/object"
 )
 
 var timeUnits = map[string]int64{
@@ -160,7 +161,14 @@ func AddAll(worktree *git.Worktree) error {
 }
 
 func CommitUpdate(worktree *git.Worktree) error {
-	_, err := worktree.Commit("Update", &git.CommitOptions{})
+	_, err := worktree.Commit("Update", &git.CommitOptions{
+		AllowEmptyCommits: false,
+		Author: &object.Signature{
+			Name:  "system",
+			Email: "system@localhost",
+			When:  time.Now(),
+		},
+	})
 	if err != nil {
 		return err
 	}