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Add documentation for the 'bidi-import' capability of remote-helpers

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Signed-off-by: Florian Achleitner <florian.achleitner.2.6.31@gmail.com>
Acked-by: David Michael Barr <b@rr-dav.id.au>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Florian Achleitner 2012-09-19 17:21:20 +02:00 committed by Junio C Hamano
parent bfc366d931
commit 271bfd678b
1 changed files with 20 additions and 1 deletions
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21
Documentation/git-remote-helpers.txt
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@ -98,6 +98,20 @@ advertised with this capability must cover all refs reported by
the list command. If no 'refspec' capability is advertised,
there is an implied `refspec *:*`.
'bidi-import'::
The fast-import commands 'cat-blob' and 'ls' can be used by remote-helpers
to retrieve information about blobs and trees that already exist in
fast-import's memory. This requires a channel from fast-import to the
remote-helper.
If it is advertised in addition to "import", git establishes a pipe from
fast-import to the remote-helper's stdin.
It follows that git and fast-import are both connected to the
remote-helper's stdin. Because git can send multiple commands to
the remote-helper it is required that helpers that use 'bidi-import'
buffer all 'import' commands of a batch before sending data to fast-import.
This is to prevent mixing commands and fast-import responses on the
helper's stdin.
Capabilities for Pushing
~~~~~~~~~~~~~~~~~~~~~~~~
'connect'::
@ -286,7 +300,12 @@ terminated with a blank line. For each batch of 'import', the remote
helper should produce a fast-import stream terminated by a 'done'
command.
+
Supported if the helper has the "import" capability.
Note that if the 'bidi-import' capability is used the complete batch
sequence has to be buffered before starting to send data to fast-import
to prevent mixing of commands and fast-import responses on the helper's
stdin.
+
Supported if the helper has the 'import' capability.
'connect' <service>::
Connects to given service. Standard input and standard output