Fix tag route and empty repo (#33253)

routers/web/repo/view_home.go

@@ -249,7 +249,7 @@ func handleRepoEmptyOrBroken(ctx *context.Context) {
 		} else if reallyEmpty {
 			showEmpty = true // the repo is really empty
 			updateContextRepoEmptyAndStatus(ctx, true, repo_model.RepositoryReady)
-		} else if ctx.Repo.Commit == nil {
+		} else if branches, _, _ := ctx.Repo.GitRepo.GetBranches(0, 1); len(branches) == 0 {
 			showEmpty = true // it is not really empty, but there is no branch
 			// at the moment, other repo units like "actions" are not able to handle such case,
 			// so we just mark the repo as empty to prevent from displaying these units.

routers/web/web.go

@@ -1335,8 +1335,7 @@ func registerRoutes(m *web.Router) {
 			m.Get(".atom", feedEnabled, repo.TagsListFeedAtom)
 		}, ctxDataSet("EnableFeed", setting.Other.EnableFeed),
 			repo.MustBeNotEmpty, context.RepoRefByType(context.RepoRefTag, context.RepoRefByTypeOptions{IgnoreNotExistErr: true}))
-		m.Post("/tags/delete", repo.DeleteTag, reqSignIn,
-			repo.MustBeNotEmpty, context.RepoMustNotBeArchived(), reqRepoCodeWriter, context.RepoRef())
+		m.Post("/tags/delete", reqSignIn, repo.MustBeNotEmpty, context.RepoMustNotBeArchived(), reqRepoCodeWriter, repo.DeleteTag)
 	}, optSignIn, context.RepoAssignment, reqRepoCodeReader)
 	// end "/{username}/{reponame}": repo tags