Make morph's _clone_to_directory use CachedRepo.checkout

This requires changing CachedRepo.checkout to handle non-sha1 refs,
which resulted in some further changes in tests and their expected
outputs.

Also, a fix to CachedRepo to use the cwd keyword argument instead
of pwd.

1 files changed, 1 insertions, 1 deletions

diff --git a/morph b/morph
index 60c5ad2f..68a6e9d9 100755
--- a/morph
+++ b/morph
@@ -592,7 +592,7 @@ class Morph(cliapp.Application):
         repo.update()
         
         # Clone it from cache to target directory.
-        morphlib.git.clone(dirname, repo.path, self.msg)
+        repo.checkout(ref, os.path.abspath(dirname))
         
         # Set the origin to point at the original repository.
         morphlib.git.set_remote(dirname, 'origin', repo.url)