1 files changed, 30 insertions, 0 deletions
diff --git a/morphlib/git.py b/morphlib/git.py
new file mode 100644
index 00000000..47eb7ffe
--- /dev/null
+++ b/morphlib/git.py
@@ -0,0 +1,30 @@
+# Copyright (C) 2011  Codethink Limited
+# 
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+
+import gzip
+import logging
+
+import morphlib
+
+
+def export_sources(repo, ref, tar_filename):
+    '''Export the contents of a specific commit into a compressed tarball.'''
+    ex = morphlib.execute.Execute('.', msg=logging.debug)
+    tar = ex.runv(['git', 'archive', '--remote', repo, ref])
+    f = gzip.open(tar_filename, 'wb')
+    f.write(tar)
+    f.close()
+