From: Junio C Hamano <junkio@cox.net>
Date: Thu, 14 Jul 2005 03:21:54 +0000 (-0700)
Subject: [PATCH] Document two pack push-pull protocols.
X-Git-Tag: v0.99.1~37
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=9b011b2fe5379f76c53f20b964d7a3cecb9d8c79;p=git.git

[PATCH] Document two pack push-pull protocols.

This documents the two pack push-pull protocols used by the
smart upload-fetch/clone and send/receive commands.

Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/Documentation/pack-protocol.txt b/Documentation/pack-protocol.txt
new file mode 100644
index 000000000..7d6aec409
--- /dev/null
+++ b/Documentation/pack-protocol.txt
@@ -0,0 +1,38 @@
+There are two Pack push-pull protocols.
+
+upload-pack (S) | fetch/clone-pack (C) protocol:
+
+	# Tell the puller what commits we have and what their names are
+	S: SHA1 name
+	S: ...
+	S: SHA1 name
+	S: # flush -- it's your turn
+	# Tell the pusher what commits we want, and what we have
+	C: want name
+	C: ..
+	C: want name
+	C: have SHA1
+	C: have SHA1
+	C: ...
+	C: # flush -- occasionally ask "had enough?"
+	S: NAK
+	C: have SHA1
+	C: ...
+	C: have SHA1
+	S: ACK
+	C: done
+	S: XXXXXXX -- packfile contents.
+
+send-pack | receive-pack protocol.
+
+	# Tell the pusher what commits we have and what their names are
+	C: SHA1 name
+	C: ...
+	C: SHA1 name
+	C: # flush -- it's your turn
+	# Tell the puller what the pusher has
+	S: old-SHA1 new-SHA1 name
+	S: old-SHA1 new-SHA1 name
+	S: ...
+	S: # flush -- done with the list
+	S: XXXXXXX --- packfile contents.