Fix rename branch permission bug (#32066) (#32108)

Backport #32066 by @lunny

The previous implementation requires admin permission to rename branches
which should be write permission.

Fix #31993

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

routers/web/web.go

@@ -1065,8 +1065,6 @@ func registerRoutes(m *web.Route) {
 			m.Post("/{id}/delete", repo_setting.DeleteProtectedBranchRulePost)
 		}, repo.MustBeNotEmpty)
 
-		m.Post("/rename_branch", web.Bind(forms.RenameBranchForm{}), context.RepoMustNotBeArchived(), repo_setting.RenameBranchPost)
-
 		m.Group("/tags", func() {
 			m.Get("", repo_setting.ProtectedTags)
 			m.Post("", web.Bind(forms.ProtectTagForm{}), context.RepoMustNotBeArchived(), repo_setting.NewProtectedTagPost)
@@ -1298,6 +1296,7 @@ func registerRoutes(m *web.Route) {
 			}, web.Bind(forms.NewBranchForm{}))
 			m.Post("/delete", repo.DeleteBranchPost)
 			m.Post("/restore", repo.RestoreBranchPost)
+			m.Post("/rename", web.Bind(forms.RenameBranchForm{}), repo_setting.RenameBranchPost)
 		}, context.RepoMustNotBeArchived(), reqRepoCodeWriter, repo.MustBeNotEmpty)
 
 		m.Combo("/fork").Get(repo.Fork).Post(web.Bind(forms.CreateRepoForm{}), repo.ForkPost)

templates/repo/branch/list.tmpl

@@ -236,7 +236,7 @@
 	<div class="header">
 		{{ctx.Locale.Tr "repo.settings.rename_branch"}}
 	</div>
-	<form class="ui form" action="{{$.Repository.Link}}/settings/rename_branch" method="post">
+	<form class="ui form" action="{{$.Repository.Link}}/branches/rename" method="post">
 		<div class="content">
 			{{.CsrfTokenHtml}}
 			<div class="field default-branch-warning">

tests/integration/rename_branch_test.go

@@ -28,11 +28,11 @@ func testRenameBranch(t *testing.T, u *url.URL) {
 
 	// get branch setting page
 	session := loginUser(t, "user2")
-	req := NewRequest(t, "GET", "/user2/repo1/settings/branches")
+	req := NewRequest(t, "GET", "/user2/repo1/branches")
 	resp := session.MakeRequest(t, req, http.StatusOK)
 	htmlDoc := NewHTMLParser(t, resp.Body)
 
-	req = NewRequestWithValues(t, "POST", "/user2/repo1/settings/rename_branch", map[string]string{
+	req = NewRequestWithValues(t, "POST", "/user2/repo1/branches/rename", map[string]string{
 		"_csrf": htmlDoc.GetCSRF(),
 		"from":  "master",
 		"to":    "main",
@@ -76,7 +76,7 @@ func testRenameBranch(t *testing.T, u *url.URL) {
 	assert.Equal(t, "branch2", branch2.Name)
 
 	// rename branch2 to branch1
-	req = NewRequestWithValues(t, "POST", "/user2/repo1/settings/rename_branch", map[string]string{
+	req = NewRequestWithValues(t, "POST", "/user2/repo1/branches/rename", map[string]string{
 		"_csrf": htmlDoc.GetCSRF(),
 		"from":  "branch2",
 		"to":    "branch1",
@@ -103,7 +103,7 @@ func testRenameBranch(t *testing.T, u *url.URL) {
 	assert.True(t, branch1.IsDeleted) // virtual deletion
 
 	// rename branch2 to branch1 again
-	req = NewRequestWithValues(t, "POST", "/user2/repo1/settings/rename_branch", map[string]string{
+	req = NewRequestWithValues(t, "POST", "/user2/repo1/branches/rename", map[string]string{
 		"_csrf": htmlDoc.GetCSRF(),
 		"from":  "branch2",
 		"to":    "branch1",