Stream_data streams data to a given output stream most efficiently with a low memory footprint.

Still, the git-cat-file command keeps all data in an interal buffer instead of streaming it directly.
This is a git design issue though, and will be hard to address without some proper git-hacking.

Conflicts:

	lib/git/cmd.py

2 files changed, 12 insertions, 1 deletions

diff --git a/lib/git/cmd.py b/lib/git/cmd.py
index 27eb20e8..88d6008a 100644
--- a/lib/git/cmd.py
+++ b/lib/git/cmd.py
@@ -183,7 +183,6 @@ class Git(object):
 								stdout=subprocess.PIPE,
 								**extra
 								)
-
 		if as_process:
 			return self.AutoInterrupt(proc)
 		
diff --git a/lib/git/objects/base.py b/lib/git/objects/base.py
index dd67a3c7..0dfd1a23 100644
--- a/lib/git/objects/base.py
+++ b/lib/git/objects/base.py
@@ -127,6 +127,18 @@ class Object(LazyMixin):
 		proc = self.repo.git.cat_file(self.type, self.id, as_process=True)
 		return utils.ProcessStreamAdapter(proc, "stdout") 
 
+	def stream_data(self, ostream):
+		"""
+		Writes our data directly to the given output stream
+		
+		``ostream``
+			File object compatible stream object.
+			
+		Returns
+			self
+		"""
+		self.repo.git.cat_file(self.type, self.id, output_stream=ostream)
+		return self
 
 class IndexObject(Object):
 	"""