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clone: request the 'bundle-uri' command when available

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Set up all the needed client parts of the 'bundle-uri' protocol v2
command, without actually doing anything with the bundle URIs.

If the server says it supports 'bundle-uri' teach Git to issue the
'bundle-uri' command after the 'ls-refs' during 'git clone'. The
returned key=value pairs are passed to the bundle list code which is
tested using a different ingest mechanism in t5750-bundle-uri-parse.sh.

At this point, Git does nothing with that bundle list. It will not
download any of the bundles. That will come in a later change after
these protocol bits are finalized.

The no-op client is initially used only by 'git clone' to test the basic
functionality, and eventually will bootstrap the initial download of Git
objects during a fresh clone. The bundle URI client will not be
integrated into other fetches until a mechanism is created to select a
subset of bundles for download.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Derrick Stolee <derrickstolee@github.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason
2022-12-22 15:14:09 +00:00
committed by Junio C Hamano
parent 8f788eb8b7
commit 0cfde740f0
8 changed files with 164 additions and 0 deletions
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13
transport-helper.c
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@@ -1267,9 +1267,22 @@ static struct ref *get_refs_list_using_list(struct transport *transport,
return ret;
}
static int get_bundle_uri(struct transport *transport)
{
get_helper(transport);
if (process_connect(transport, 0)) {
do_take_over(transport);
return transport->vtable->get_bundle_uri(transport);
}
return -1;
}
static struct transport_vtable vtable = {
.set_option = set_helper_option,
.get_refs_list = get_refs_list,
.get_bundle_uri = get_bundle_uri,
.fetch_refs = fetch_refs,
.push_refs = push_refs,
.connect = connect_helper,