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remote: repack packed-refs once when deleting multiple refs

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When 'git remote rm' or 'git remote prune' were used in a repository
with many refs, and needed to delete many remote-tracking refs, a lot
of time was spent deleting those refs since for each deleted ref,
repack_without_refs() was called to rewrite packed-refs without just
that deleted ref.

To avoid this, call repack_without_refs() first to repack without all
the refs that will be deleted, before calling delete_ref() to delete
each one completely.  The call to repack_without_ref() in delete_ref()
then becomes a no-op, since packed-refs already won't contain any of
the deleted refs.

Signed-off-by: Jens Lindström <jl@opera.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jens Lindström
2014-05-23 12:29:45 +02:00
committed by Junio C Hamano
parent b07bdd3472
commit c9e768bb77
3 changed files with 21 additions and 3 deletions
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20
builtin/remote.c
View File

@ -749,15 +749,23 @@ static int mv(int argc, const char **argv)
static int remove_branches(struct string_list *branches)
{
const char **branch_names;
int i, result = 0;
branch_names = xmalloc(branches->nr * sizeof(*branch_names));
for (i = 0; i < branches->nr; i++)
branch_names[i] = branches->items[i].string;
result |= repack_without_refs(branch_names, branches->nr);
free(branch_names);
for (i = 0; i < branches->nr; i++) {
struct string_list_item *item = branches->items + i;
const char *refname = item->string;
unsigned char *sha1 = item->util;
if (delete_ref(refname, sha1, 0))
if (delete_ref(refname, NULL, 0))
result |= error(_("Could not remove branch %s"), refname);
}
return result;
}
@ -1305,6 +1313,7 @@ static int prune_remote(const char *remote, int dry_run)
{
int result = 0, i;
struct ref_states states;
const char **delete_refs;
const char *dangling_msg = dry_run
? _(" %s will become dangling!")
: _(" %s has become dangling!");
@ -1318,6 +1327,13 @@ static int prune_remote(const char *remote, int dry_run)
states.remote->url_nr
? states.remote->url[0]
: _("(no URL)"));
delete_refs = xmalloc(states.stale.nr * sizeof(*delete_refs));
for (i = 0; i < states.stale.nr; i++)
delete_refs[i] = states.stale.items[i].util;
if (!dry_run)
result |= repack_without_refs(delete_refs, states.stale.nr);
free(delete_refs);
}
for (i = 0; i < states.stale.nr; i++) {