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-rw-r--r--git_remote_helpers/git/importer.py28
1 files changed, 27 insertions, 1 deletions
diff --git a/git_remote_helpers/git/importer.py b/git_remote_helpers/git/importer.py
index 02a719a..5c6b595 100644
--- a/git_remote_helpers/git/importer.py
+++ b/git_remote_helpers/git/importer.py
@@ -1,7 +1,7 @@
import os
import subprocess
-from git_remote_helpers.util import check_call
+from git_remote_helpers.util import check_call, check_output
class GitImporter(object):
@@ -16,6 +16,18 @@ class GitImporter(object):
self.repo = repo
+ def get_refs(self, gitdir):
+ """Returns a dictionary with refs.
+ """
+ args = ["git", "--git-dir=" + gitdir, "for-each-ref", "refs/heads"]
+ lines = check_output(args).strip().split('\n')
+ refs = {}
+ for line in lines:
+ value, name = line.split(' ')
+ name = name.strip('commit\t')
+ refs[name] = value
+ return refs
+
def do_import(self, base):
"""Imports a fast-import stream to the given directory.
@@ -32,9 +44,23 @@ class GitImporter(object):
if not os.path.exists(dirname):
os.makedirs(dirname)
+ refs_before = self.get_refs(gitdir)
+
args = ["git", "--git-dir=" + gitdir, "fast-import", "--quiet", "--export-marks=" + path]
if os.path.exists(path):
args.append("--import-marks=" + path)
check_call(args)
+
+ refs_after = self.get_refs(gitdir)
+
+ changed = {}
+
+ for name, value in refs_after.iteritems():
+ if refs_before.get(name) == value:
+ continue
+
+ changed[name] = value
+
+ return changed