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fetch: forgo full connectivity check if --filter 

If a filter is specified, we do not need a full connectivity check on
the contents of the packfile we just fetched; we only need to check that
the objects referenced are promisor objects.

This significantly speeds up fetches into repositories that have many
promisor objects, because during the connectivity check, all promisor
objects are enumerated (to mark them UNINTERESTING), and that takes a
significant amount of time.

Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Reviewed-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jonathan Tan 2020-01-11 20:15:25 -08:00 committed by Junio C Hamano
parent 50033772d5
commit 2df1aa239c
1 changed files with 10 additions and 1 deletions
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11
builtin/fetch.c
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@ -906,8 +906,17 @@ static int store_updated_refs(const char *raw_url, const char *remote_name,
url = xstrdup("foreign");
if (!connectivity_checked) {
struct check_connected_options opt = CHECK_CONNECTED_INIT;
if (filter_options.choice)
/*
* Since a filter is specified, objects indirectly
* referenced by refs are allowed to be absent.
*/
opt.check_refs_are_promisor_objects_only = 1;
rm = ref_map;
if (check_connected(iterate_ref_map, &rm, NULL)) {
if (check_connected(iterate_ref_map, &rm, &opt)) {
rc = error(_("%s did not send all necessary objects\n"), url);
goto abort;
}