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each_ref_fn: change to take an object_id parameter

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Change typedef each_ref_fn to take a "const struct object_id *oid"
parameter instead of "const unsigned char *sha1".

To aid this transition, implement an adapter that can be used to wrap
old-style functions matching the old typedef, which is now called
"each_ref_sha1_fn"), and make such functions callable via the new
interface. This requires the old function and its cb_data to be
wrapped in a "struct each_ref_fn_sha1_adapter", and that object to be
used as the cb_data for an adapter function, each_ref_fn_adapter().

This is an enormous diff, but most of it consists of simple,
mechanical changes to the sites that call any of the "for_each_ref"
family of functions. Subsequent to this change, the call sites can be
rewritten one by one to use the new interface.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty
2015-05-25 18:38:28 +00:00
committed by Junio C Hamano
parent 8353847e85
commit 2b2a5be394
36 changed files with 275 additions and 97 deletions
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9
builtin/reflog.c
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@ -352,7 +352,10 @@ static void reflog_expiry_prepare(const char *refname,
if (cb->unreachable_expire_kind != UE_ALWAYS) {
if (cb->unreachable_expire_kind == UE_HEAD) {
struct commit_list *elem;
for_each_ref(push_tip_to_list, &cb->tips);
struct each_ref_fn_sha1_adapter wrapped_push_tip_to_list =
{push_tip_to_list, &cb->tips};
for_each_ref(each_ref_fn_adapter, &wrapped_push_tip_to_list);
for (elem = cb->tips; elem; elem = elem->next)
commit_list_insert(elem->item, &cb->mark_list);
} else {
@ -588,9 +591,11 @@ static int cmd_reflog_expire(int argc, const char **argv, const char *prefix)
if (do_all) {
struct collect_reflog_cb collected;
int i;
struct each_ref_fn_sha1_adapter wrapped_collect_reflog =
{collect_reflog, &collected};
memset(&collected, 0, sizeof(collected));
for_each_reflog(collect_reflog, &collected);
for_each_reflog(each_ref_fn_adapter, &wrapped_collect_reflog);
for (i = 0; i < collected.nr; i++) {
struct collected_reflog *e = collected.e[i];
set_reflog_expiry_param(&cb.cmd, explicit_expiry, e->reflog);