1 files changed, 91 insertions, 4 deletions
diff --git a/repository_test.go b/repository_test.go
index 77bfde2..deb3f58 100644
--- a/repository_test.go
+++ b/repository_test.go
@@ -272,6 +272,93 @@ func (s *RepositorySuite) TestPlainOpenNotBare(c *C) {
 	c.Assert(r, IsNil)
 }
 
+func (s *RepositorySuite) testPlainOpenGitFile(c *C, f func(string, string) string) {
+	dir, err := ioutil.TempDir("", "plain-open")
+	c.Assert(err, IsNil)
+	defer os.RemoveAll(dir)
+
+	r, err := PlainInit(dir, true)
+	c.Assert(err, IsNil)
+	c.Assert(r, NotNil)
+
+	altDir, err := ioutil.TempDir("", "plain-open")
+	c.Assert(err, IsNil)
+	defer os.RemoveAll(altDir)
+
+	err = ioutil.WriteFile(filepath.Join(altDir, ".git"), []byte(f(dir, altDir)), 0644)
+	c.Assert(err, IsNil)
+
+	r, err = PlainOpen(altDir)
+	c.Assert(err, IsNil)
+	c.Assert(r, NotNil)
+}
+
+func (s *RepositorySuite) TestPlainOpenBareAbsoluteGitDirFile(c *C) {
+	s.testPlainOpenGitFile(c, func(dir, altDir string) string {
+		return fmt.Sprintf("gitdir: %s\n", dir)
+	})
+}
+
+func (s *RepositorySuite) TestPlainOpenBareAbsoluteGitDirFileNoEOL(c *C) {
+	s.testPlainOpenGitFile(c, func(dir, altDir string) string {
+		return fmt.Sprintf("gitdir: %s", dir)
+	})
+}
+
+func (s *RepositorySuite) TestPlainOpenBareRelativeGitDirFile(c *C) {
+	s.testPlainOpenGitFile(c, func(dir, altDir string) string {
+		dir, err := filepath.Rel(altDir, dir)
+		c.Assert(err, IsNil)
+		return fmt.Sprintf("gitdir: %s\n", dir)
+	})
+}
+
+func (s *RepositorySuite) TestPlainOpenBareRelativeGitDirFileNoEOL(c *C) {
+	s.testPlainOpenGitFile(c, func(dir, altDir string) string {
+		dir, err := filepath.Rel(altDir, dir)
+		c.Assert(err, IsNil)
+		return fmt.Sprintf("gitdir: %s\n", dir)
+	})
+}
+
+func (s *RepositorySuite) TestPlainOpenBareRelativeGitDirFileTrailingGarbage(c *C) {
+	dir, err := ioutil.TempDir("", "plain-open")
+	c.Assert(err, IsNil)
+	defer os.RemoveAll(dir)
+
+	r, err := PlainInit(dir, true)
+	c.Assert(err, IsNil)
+	c.Assert(r, NotNil)
+
+	altDir, err := ioutil.TempDir("", "plain-open")
+	c.Assert(err, IsNil)
+	err = ioutil.WriteFile(filepath.Join(altDir, ".git"), []byte(fmt.Sprintf("gitdir: %s\nTRAILING", dir)), 0644)
+	c.Assert(err, IsNil)
+
+	r, err = PlainOpen(altDir)
+	c.Assert(err, Equals, ErrRepositoryNotExists)
+	c.Assert(r, IsNil)
+}
+
+func (s *RepositorySuite) TestPlainOpenBareRelativeGitDirFileBadPrefix(c *C) {
+	dir, err := ioutil.TempDir("", "plain-open")
+	c.Assert(err, IsNil)
+	defer os.RemoveAll(dir)
+
+	r, err := PlainInit(dir, true)
+	c.Assert(err, IsNil)
+	c.Assert(r, NotNil)
+
+	altDir, err := ioutil.TempDir("", "plain-open")
+	c.Assert(err, IsNil)
+	err = ioutil.WriteFile(filepath.Join(altDir, ".git"), []byte(fmt.Sprintf("xgitdir: %s\n", dir)), 0644)
+	c.Assert(err, IsNil)
+
+	r, err = PlainOpen(altDir)
+	c.Assert(err, ErrorMatches, ".*gitdir.*")
+	c.Assert(r, IsNil)
+}
+
 func (s *RepositorySuite) TestPlainOpenNotExists(c *C) {
 	r, err := PlainOpen("/not-exists/")
 	c.Assert(err, Equals, ErrRepositoryNotExists)
@@ -301,7 +388,7 @@ func (s *RepositorySuite) TestPlainCloneWithRecurseSubmodules(c *C) {
 
 	path := fixtures.ByTag("submodule").One().Worktree().Base()
 	r, err := PlainClone(dir, false, &CloneOptions{
-		URL:               fmt.Sprintf("file://%s", path),
+		URL:               path,
 		RecurseSubmodules: DefaultSubmoduleRecursionDepth,
 	})
 
@@ -591,7 +678,7 @@ func (s *RepositorySuite) TestPullProgressWithRecursion(c *C) {
 	r, _ := PlainInit(dir, false)
 	r.CreateRemote(&config.RemoteConfig{
 		Name: DefaultRemoteName,
-		URL:  fmt.Sprintf("file://%s", path),
+		URL:  path,
 	})
 
 	err = r.Pull(&PullOptions{
@@ -607,7 +694,7 @@ func (s *RepositorySuite) TestPullAdd(c *C) {
 	path := fixtures.Basic().ByTag("worktree").One().Worktree().Base()
 
 	r, err := Clone(memory.NewStorage(), nil, &CloneOptions{
-		URL: fmt.Sprintf("file://%s", filepath.Join(path, ".git")),
+		URL: filepath.Join(path, ".git"),
 	})
 
 	c.Assert(err, IsNil)
@@ -642,7 +729,7 @@ func (s *RepositorySuite) TestPushToEmptyRepository(c *C) {
 	c.Assert(err, IsNil)
 
 	dstFs := fixtures.ByTag("empty").One().DotGit()
-	url := fmt.Sprintf("file://%s", dstFs.Base())
+	url := dstFs.Base()
 
 	r, err := Open(sto, srcFs)
 	c.Assert(err, IsNil)