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bundle-uri client: add boolean transfer.bundleURI setting 

The yet-to-be introduced client support for bundle-uri will always
fall back on a full clone, but we'd still like to be able to ignore a
server's bundle-uri advertisement entirely.

The new transfer.bundleURI config option defaults to 'false', but a user
can set it to 'true' to enable checking for bundle URIs from the origin
Git server using protocol v2.

Co-authored-by: Derrick Stolee <derrickstolee@github.com>
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 15:14:10 +00:00 committed by Junio C Hamano
parent 0cfde740f0
commit 7cce9074a7
3 changed files with 32 additions and 1 deletions
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6
Documentation/config/transfer.txt
View File

@ -115,3 +115,9 @@ transfer.unpackLimit::
transfer.advertiseSID::
Boolean. When true, client and server processes will advertise their
unique session IDs to their remote counterpart. Defaults to false.
transfer.bundleURI::
When `true`, local `git clone` commands will request bundle
information from the remote server (if advertised) and download
bundles before continuing the clone through the Git protocol.
Defaults to `false`.

19
t/lib-bundle-uri-protocol.sh
View File

@ -85,10 +85,11 @@ test_expect_success "connect with $BUNDLE_URI_PROTOCOL:// using protocol v2: hav
'
test_expect_success "clone with $BUNDLE_URI_PROTOCOL:// using protocol v2: request bundle-uris" '
test_when_finished "rm -rf log cloned" &&
test_when_finished "rm -rf log cloned cloned2" &&
GIT_TRACE_PACKET="$PWD/log" \
git \
-c transfer.bundleURI=false \
-c protocol.version=2 \
clone "$BUNDLE_URI_REPO_URI" cloned \
>actual 2>err &&
@ -99,6 +100,22 @@ test_expect_success "clone with $BUNDLE_URI_PROTOCOL:// using protocol v2: reque
# Server advertised bundle-uri capability
grep "< bundle-uri" log &&
# Client did not issue bundle-uri command
! grep "> command=bundle-uri" log &&
GIT_TRACE_PACKET="$PWD/log" \
git \
-c transfer.bundleURI=true \
-c protocol.version=2 \
clone "$BUNDLE_URI_REPO_URI" cloned2 \
>actual 2>err &&
# Server responded using protocol v2
grep "< version 2" log &&
# Server advertised bundle-uri capability
grep "< bundle-uri" log &&
# Client issued bundle-uri command
grep "> command=bundle-uri" log
'

8
transport.c
View File

@ -1516,6 +1516,7 @@ int transport_fetch_refs(struct transport *transport, struct ref *refs)
int transport_get_remote_bundle_uri(struct transport *transport)
{
int value = 0;
const struct transport_vtable *vtable = transport->vtable;
/* Check config only once. */
@ -1523,6 +1524,13 @@ int transport_get_remote_bundle_uri(struct transport *transport)
return 0;
transport->got_remote_bundle_uri = 1;
/*
* Don't request bundle-uri from the server unless configured to
* do so by the transfer.bundleURI=true config option.
*/
if (git_config_get_bool("transfer.bundleuri", &value) || !value)
return 0;
if (!vtable->get_bundle_uri)
return error(_("bundle-uri operation not supported by protocol"));