Fix the possible path problem

Author: lunny

models/repo/repo.go

@@ -219,12 +219,14 @@ func RelativePath(ownerName, repoName string) string {
 	return strings.ToLower(ownerName) + "/" + strings.ToLower(repoName) + ".git"
 }
 
+// RelativePath should be an unix style path like username/reponame.git
 func (repo *Repository) RelativePath() string {
 	return RelativePath(repo.OwnerName, repo.Name)
 }
 
 type StorageRepo string
 
+// RelativePath should be an unix style path like username/reponame.git
 func (sr StorageRepo) RelativePath() string {
 	return string(sr)
 }

modules/gitrepo/gitrepo.go

@@ -20,8 +20,10 @@ type Repository interface {
 	RelativePath() string // We don't assume how the directory structure of the repository is, so we only need the relative path
 }
 
+// RelativePath should be an unix style path like username/reponame.git
+// This method should change it according to the current OS.
 func repoPath(repo Repository) string {
-	return filepath.Join(setting.RepoRootPath, repo.RelativePath())
+	return filepath.Join(setting.RepoRootPath, filepath.FromSlash(repo.RelativePath()))
 }
 
 // OpenRepository opens the repository at the given relative path with the provided context.