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authorStefan Beller <sbeller@google.com>2016-07-14 14:49:46 -0700
committerJunio C Hamano <gitster@pobox.com>2016-07-14 15:50:40 -0700
commitc714e45f87301562b940e3621431ed7f7fbd16e5 (patch)
treedf0a4693d25514763b3f91dbaaa651c29f244627 /Documentation
parent77a9745d19b2b308c1ce97d18053322d1471bc4c (diff)
downloadgit-c714e45f87301562b940e3621431ed7f7fbd16e5.tar.gz
receive-pack: implement advertising and receiving push options
The pre/post receive hook may be interested in more information from the user. This information can be transmitted when both client and server support the "push-options" capability, which when used is a phase directly after update commands ended by a flush pkt. Similar to the atomic option, the server capability can be disabled via the `receive.advertisePushOptions` config variable. While documenting this, fix a nit in the `receive.advertiseAtomic` wording. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/config.txt9
-rw-r--r--Documentation/technical/pack-protocol.txt10
-rw-r--r--Documentation/technical/protocol-capabilities.txt9
3 files changed, 22 insertions, 6 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt
index e208af118d..25b5db1c23 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -2410,8 +2410,13 @@ rebase.instructionFormat
receive.advertiseAtomic::
By default, git-receive-pack will advertise the atomic push
- capability to its clients. If you don't want to this capability
- to be advertised, set this variable to false.
+ capability to its clients. If you don't want to advertise this
+ capability, set this variable to false.
+
+receive.advertisePushOptions::
+ By default, git-receive-pack will advertise the push options
+ capability to its clients. If you don't want to advertise this
+ capability, set this variable to false.
receive.autogc::
By default, git-receive-pack will run "git-gc --auto" after
diff --git a/Documentation/technical/pack-protocol.txt b/Documentation/technical/pack-protocol.txt
index 8b36343802..7a2ed30cfc 100644
--- a/Documentation/technical/pack-protocol.txt
+++ b/Documentation/technical/pack-protocol.txt
@@ -454,7 +454,8 @@ The reference discovery phase is done nearly the same way as it is in the
fetching protocol. Each reference obj-id and name on the server is sent
in packet-line format to the client, followed by a flush-pkt. The only
real difference is that the capability listing is different - the only
-possible values are 'report-status', 'delete-refs' and 'ofs-delta'.
+possible values are 'report-status', 'delete-refs', 'ofs-delta' and
+'push-options'.
Reference Update Request and Packfile Transfer
----------------------------------------------
@@ -465,9 +466,10 @@ that it wants to update, it sends a line listing the obj-id currently on
the server, the obj-id the client would like to update it to and the name
of the reference.
-This list is followed by a flush-pkt and then the packfile that should
-contain all the objects that the server will need to complete the new
-references.
+This list is followed by a flush-pkt. Then the push options are transmitted
+one per packet followed by another flush-pkt. After that the packfile that
+should contain all the objects that the server will need to complete the new
+references will be sent.
----
update-request = *shallow ( command-list | push-cert ) [packfile]
diff --git a/Documentation/technical/protocol-capabilities.txt b/Documentation/technical/protocol-capabilities.txt
index eaab6b4ac7..4c28d3a8ae 100644
--- a/Documentation/technical/protocol-capabilities.txt
+++ b/Documentation/technical/protocol-capabilities.txt
@@ -253,6 +253,15 @@ atomic pushes. If the pushing client requests this capability, the server
will update the refs in one atomic transaction. Either all refs are
updated or none.
+push-options
+------------
+
+If the server sends the 'push-options' capability it is able to accept
+push options after the update commands have been sent, but before the
+packfile is streamed. If the pushing client requests this capability,
+the server will pass the options to the pre- and post- receive hooks
+that process this push request.
+
allow-tip-sha1-in-want
----------------------