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[PATCH] Document two pack push-pull protocols.

From
Junio C Hamano <junkio@cox.net>
Date
Jul 14, 2005, 03:21 UTC
Message-ID
<7v64vem5rh.fsf@assigned-by-dhcp.cox.net>

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>
---

There currently are these two pack push-pull protocols used for different purposes. Maybe you invented another today? I have not looked beyond your log message.

 Documentation/pack-protocol.txt |   38 ++++++++++++++++++++++++++++++++++++++
 1 files changed, 38 insertions(+), 0 deletions(-)
 create mode 100644 Documentation/pack-protocol.txt
3a74ad8bd10e958ddbd4d432ad3140abc5464229
diff --git a/Documentation/pack-protocol.txt b/Documentation/pack-protocol.txt
new file mode 100644
--- /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.
Next: Linus Torvalds
Message 1 of 2 in “Document two pack push-pull protocols.”
  1. Document two pack push-pull protocols.Junio C Hamano, Jul 14, 2005
  2. Linus TorvaldsJul 14, 2005

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