Use first commit title for multi-commit PRs and fix auto-focus title field

routers/web/repo/compare.go

@@ -548,6 +548,9 @@ func PrepareCompareDiff(
 		if len(body) > 1 {
 			ctx.Data["content"] = strings.Join(body[1:], "\n")
 		}
+	} else if len(commits) > 1 {
+		c := commits[len(commits)-1]
+		title = strings.TrimSpace(c.UserCommit.Summary())
 	}
 
 	if len(title) > 255 {

templates/repo/issue/new_form.tmpl

@@ -6,7 +6,7 @@
 				<div class=" tw-mr-4 not-mobile">{{ctx.AvatarUtils.Avatar .SignedUser 40}}</div>
 				<div class="ui segment content tw-my-0 avatar-content-left-arrow">
 					<div class="field">
-						<input name="title" data-global-init="initInputAutoFocusEnd" id="issue_title" required maxlength="255" autocomplete="off"
+						<input name="title" data-global-init="initInputAutoFocusEnd" id="issue_title" required maxlength="255" autocomplete="off" autofocus
 								placeholder="{{ctx.Locale.Tr "repo.milestones.title"}}"
 								value="{{if .TitleQuery}}{{.TitleQuery}}{{else if .IssueTemplateTitle}}{{.IssueTemplateTitle}}{{else}}{{.title}}{{end}}"
 						>

tests/integration/compare_test.go

@@ -124,6 +124,39 @@ func TestCompareBranches(t *testing.T) {
 	inspectCompare(t, htmlDoc, diffCount, diffChanges)
 }
 
+func TestCompareMultiCommitPRTitle(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, u *url.URL) {
+		user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
+		repo, err := repo_service.CreateRepositoryDirectly(t.Context(), user1, user1, repo_service.CreateRepoOptions{
+			Name:          "test_multi_commit_pr_title",
+			Readme:        "Default",
+			AutoInit:      true,
+			DefaultBranch: "main",
+		}, true)
+		assert.NoError(t, err)
+
+		session := loginUser(t, user1.Name)
+
+		// Create a new branch and make two commits with custom summaries
+		testEditFileToNewBranch(t, session, user1.Name, repo.Name, "main", "multi-commit-branch", "README.md", "first edit\n")
+		testEditorActionEdit(t, session, user1.Name, repo.Name, "_edit", "multi-commit-branch", "README.md", map[string]string{
+			"content":        "second edit\n",
+			"commit_choice":  "direct",
+			"commit_summary": "Second commit title",
+		})
+
+		// Open the compare page for creating a PR
+		req := NewRequest(t, "GET", fmt.Sprintf("/%s/%s/compare/main...multi-commit-branch", user1.Name, repo.Name))
+		resp := session.MakeRequest(t, req, http.StatusOK)
+		htmlDoc := NewHTMLParser(t, resp.Body)
+
+		// The title should be the first (oldest) commit's summary, not the branch name
+		titleValue := htmlDoc.GetInputValueByName("title")
+		assert.NotEqual(t, "multi-commit-branch", titleValue, "PR title should not be the branch name for multi-commit PRs")
+		assert.NotEqual(t, "Second commit title", titleValue, "PR title should not be the latest commit's title")
+	})
+}
+
 func TestCompareCodeExpand(t *testing.T) {
 	onGiteaRun(t, func(t *testing.T, u *url.URL) {
 		user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})