Fix bare-repo bugs (#2199)

* Fix bare-repo bugs

* Integration tests

* Unused import

integrations/bare_repo_test.go

@@ -0,0 +1,28 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package integrations
+
+import (
+	"net/http"
+	"testing"
+
+	"code.gitea.io/gitea/models"
+)
+
+func TestBareRepo(t *testing.T) {
+	prepareTestEnv(t)
+	subpaths := []string{
+		"commits/master",
+		"raw/foo",
+		"commit/1ae57b34ccf7e18373",
+		"graph",
+	}
+	bareRepo := models.AssertExistsAndLoadBean(t, &models.Repository{}, models.Cond("is_bare = ?", true)).(*models.Repository)
+	owner := models.AssertExistsAndLoadBean(t, &models.User{ID: bareRepo.OwnerID}).(*models.User)
+	for _, subpath := range subpaths {
+		req := NewRequestf(t, "GET", "/%s/%s/%s", owner.Name, bareRepo.Name, subpath)
+		MakeRequest(t, req, http.StatusNotFound)
+	}
+}