From 99c53051667407f482c6e5bbcc773ecb49d1c786 Mon Sep 17 00:00:00 2001
From: Byoungchan Lee <daniel.l@hpcnt.com>
Date: Mon, 1 Feb 2021 22:16:22 +0900
Subject: [PATCH] Support git_repository_message, git_repository_message_remove

---
 merge_test.go |  8 ++++++++
 repository.go | 27 +++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)

diff --git a/merge_test.go b/merge_test.go
index d49d07c..981f672 100644
--- a/merge_test.go
+++ b/merge_test.go
@@ -43,6 +43,14 @@ func TestMergeWithSelf(t *testing.T) {
 	mergeHeads[0] = mergeHead
 	err = repo.Merge(mergeHeads, nil, nil)
 	checkFatal(t, err)
+
+	mergeMessage, err := repo.Message()
+	checkFatal(t, err)
+
+	expectedMessage := "Merge branch 'master'\n"
+	if mergeMessage != expectedMessage {
+		t.Errorf("mege Meesage = %v, want %v", mergeMessage, expectedMessage)
+	}
 }
 
 func TestMergeAnalysisWithSelf(t *testing.T) {
diff --git a/repository.go b/repository.go
index d2b9961..b0ea84c 100644
--- a/repository.go
+++ b/repository.go
@@ -688,3 +688,30 @@ func (r *Repository) ClearGitIgnoreRules() error {
 	}
 	return nil
 }
+
+func (r *Repository) Message() (string, error) {
+	buf := C.git_buf{}
+	defer C.git_buf_dispose(&buf)
+
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	cErr := C.git_repository_message(&buf, r.ptr)
+	runtime.KeepAlive(r)
+	if cErr < 0 {
+		return "", MakeGitError(cErr)
+	}
+	return C.GoString(buf.ptr), nil
+}
+
+func (r *Repository) RemoveMessage() error {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
+	cErr := C.git_repository_message_remove(r.ptr)
+	runtime.KeepAlive(r)
+	if cErr < 0 {
+		return MakeGitError(cErr)
+	}
+	return  nil
+}