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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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6
builtin/clone.c
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@ -1271,6 +1271,12 @@ int cmd_clone(int argc, const char **argv, const char *prefix)
if (refs)
mapped_refs = wanted_peer_refs(refs, &remote->fetch);
/*
* Populate transport->got_remote_bundle_uri and
* transport->bundle_uri. We might get nothing.
*/
transport_get_remote_bundle_uri(transport);
if (mapped_refs) {
int hash_algo = hash_algo_by_ptr(transport_get_hash_algo(transport));