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fetch: refactor the population of peer ref OIDs 

Populate peer ref OIDs in get_ref_map instead of do_fetch. Besides
tightening scopes of variables in the code, this also prepares for
get_ref_map being able to be called multiple times within do_fetch.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Brandon Williams 2018-06-27 15:30:19 -07:00 committed by Junio C Hamano
parent 3374292e55
commit 14b8ced376
1 changed files with 18 additions and 18 deletions
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36
builtin/fetch.c
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@ -351,6 +351,7 @@ static struct ref *get_ref_map(struct transport *transport,
/* opportunistically-updated references: */
struct ref *orefs = NULL, **oref_tail = &orefs;
struct string_list existing_refs = STRING_LIST_INIT_DUP;
const struct ref *remote_refs;
if (rs->nr)
@ -458,7 +459,23 @@ static struct ref *get_ref_map(struct transport *transport,
tail = &rm->next;
}
return ref_remove_duplicates(ref_map);
ref_map = ref_remove_duplicates(ref_map);
for_each_ref(add_existing, &existing_refs);
for (rm = ref_map; rm; rm = rm->next) {
if (rm->peer_ref) {
struct string_list_item *peer_item =
string_list_lookup(&existing_refs,
rm->peer_ref->name);
if (peer_item) {
struct object_id *old_oid = peer_item->util;
oidcpy(&rm->peer_ref->old_oid, old_oid);
}
}
}
string_list_clear(&existing_refs, 1);
return ref_map;
}
#define STORE_REF_ERROR_OTHER 1
@ -1110,14 +1127,10 @@ static void backfill_tags(struct transport *transport, struct ref *ref_map)
static int do_fetch(struct transport *transport,
struct refspec *rs)
{
struct string_list existing_refs = STRING_LIST_INIT_DUP;
struct ref *ref_map;
struct ref *rm;
int autotags = (transport->remote->fetch_tags == 1);
int retcode = 0;
for_each_ref(add_existing, &existing_refs);
if (tags == TAGS_DEFAULT) {
if (transport->remote->fetch_tags == 2)
tags = TAGS_SET;
@ -1136,18 +1149,6 @@ static int do_fetch(struct transport *transport,
if (!update_head_ok)
check_not_current_branch(ref_map);
for (rm = ref_map; rm; rm = rm->next) {
if (rm->peer_ref) {
struct string_list_item *peer_item =
string_list_lookup(&existing_refs,
rm->peer_ref->name);
if (peer_item) {
struct object_id *old_oid = peer_item->util;
oidcpy(&rm->peer_ref->old_oid, old_oid);
}
}
}
if (tags == TAGS_DEFAULT && autotags)
transport_set_option(transport, TRANS_OPT_FOLLOWTAGS, "1");
if (prune) {
@ -1183,7 +1184,6 @@ static int do_fetch(struct transport *transport,
}
cleanup:
string_list_clear(&existing_refs, 1);
return retcode;
}