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fetch: merge fetching and consuming refs

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The functions `fetch_refs()` and `consume_refs()` must always be called
together such that we first obtain all missing objects and then update
our local refs to match the remote refs. In a subsequent patch, we'll
further require that `fetch_refs()` must always be called before
`consume_refs()` such that it can correctly assert that we have all
objects after the fetch given that we're about to move the connectivity
check.

Make this requirement explicit by merging both functions into a single
`fetch_and_consume_refs()` function.

Signed-off-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Patrick Steinhardt 2021-09-01 15:10:02 +02:00 committed by Junio C Hamano
parent 284b2ce8fc
commit 1c7d1ab6f4
1 changed files with 9 additions and 21 deletions
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30
builtin/fetch.c
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@ -1291,8 +1291,9 @@ static int check_exist_and_connected(struct ref *ref_map)
return check_connected(iterate_ref_map, &rm, &opt);
}
static int fetch_refs(struct transport *transport, struct ref *ref_map)
static int fetch_and_consume_refs(struct transport *transport, struct ref *ref_map)
{
int connectivity_checked;
int ret;
/*
@ -1308,30 +1309,18 @@ static int fetch_refs(struct transport *transport, struct ref *ref_map)
goto out;
}
/*
* Keep the new pack's ".keep" file around to allow the caller
* time to update refs to reference the new objects.
*/
return ret;
out:
transport_unlock_pack(transport);
return ret;
}
/* Update local refs based on the ref values fetched from a remote */
static int consume_refs(struct transport *transport, struct ref *ref_map)
{
int connectivity_checked = transport->smart_options
connectivity_checked = transport->smart_options
? transport->smart_options->connectivity_checked : 0;
int ret;
trace2_region_enter("fetch", "consume_refs", the_repository);
ret = store_updated_refs(transport->url,
transport->remote->name,
connectivity_checked,
ref_map);
transport_unlock_pack(transport);
trace2_region_leave("fetch", "consume_refs", the_repository);
out:
transport_unlock_pack(transport);
return ret;
}
@ -1520,8 +1509,7 @@ static void backfill_tags(struct transport *transport, struct ref *ref_map)
transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, NULL);
transport_set_option(transport, TRANS_OPT_DEPTH, "0");
transport_set_option(transport, TRANS_OPT_DEEPEN_RELATIVE, NULL);
if (!fetch_refs(transport, ref_map))
consume_refs(transport, ref_map);
fetch_and_consume_refs(transport, ref_map);
if (gsecondary) {
transport_disconnect(gsecondary);
@ -1612,7 +1600,7 @@ static int do_fetch(struct transport *transport,
transport->url);
}
}
if (fetch_refs(transport, ref_map) || consume_refs(transport, ref_map)) {
if (fetch_and_consume_refs(transport, ref_map)) {
free_refs(ref_map);
retcode = 1;
goto cleanup;