From 90c8a5d4382e711a7eb0d62e67269d27c77ac08f Mon Sep 17 00:00:00 2001
From: yujeong-jeon <yujeong.jeon@navercorp.com>
Date: Fri, 4 Jul 2025 14:23:12 +0900
Subject: [PATCH 1/2] Modify main.go to handle unchanged commit messages
 without modification

---
 packages/commithelper-go/main.go | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/packages/commithelper-go/main.go b/packages/commithelper-go/main.go
index eb40236..1afd010 100644
--- a/packages/commithelper-go/main.go
+++ b/packages/commithelper-go/main.go
@@ -36,6 +36,23 @@ func main() {
 		commitMessage = input
 	}
 
+	// Check if commit message is already tagged
+	if isAlreadyTagged(commitMessage) {
+		// Do not modify if already tagged
+		if _, err := os.Stat(input); err == nil {
+			// Write back unchanged if input was a file
+			err = ioutil.WriteFile(input, []byte(commitMessage), 0644)
+			if err != nil {
+				fmt.Printf("Error writing to commit message file: %v\n", err)
+				os.Exit(1)
+			}
+		} else {
+			// Print unchanged if input was a direct message
+			fmt.Println(commitMessage)
+		}
+		return
+	}
+
 	branchName := getCurrentBranchName()
 	config := loadConfig()
 
@@ -122,3 +139,13 @@ func generatePrefix(branchName string, config Config) string {
 
 	return fmt.Sprintf("%s#%s", *repo, issueNumber)
 }
+
+func isAlreadyTagged(commitMessage string) bool {
+	// Check if commit message already contains issue tag like [#123] or [org/repo#123]
+	// This pattern matches:
+	// - [#123] (simple issue number)
+	// - [Some-Org/Some_Repo#123] (complex repo with special chars)
+	pattern := regexp.MustCompile(`^\[.*?#\d+\]`)
+	trimmedMessage := strings.TrimSpace(commitMessage)
+	return pattern.MatchString(trimmedMessage)
+}

From 79128542323491eb9147a7811036f1493373b94f Mon Sep 17 00:00:00 2001
From: yujeong-jeon <148525642+yujeong-jeon@users.noreply.github.com>
Date: Fri, 4 Jul 2025 14:24:42 +0900
Subject: [PATCH 2/2] Create public-bikes-swim.md

---
 .changeset/public-bikes-swim.md | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 .changeset/public-bikes-swim.md

diff --git a/.changeset/public-bikes-swim.md b/.changeset/public-bikes-swim.md
new file mode 100644
index 0000000..43a4dfa
--- /dev/null
+++ b/.changeset/public-bikes-swim.md
@@ -0,0 +1,7 @@
+---
+"@naverpay/commithelper-go": patch
+---
+
+Modify main.go to handle unchanged commit messages without modification
+
+PR: [Modify main.go to handle unchanged commit messages without modification](https://github.com/NaverPayDev/cli/pull/43)