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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
Download Patch File Download Diff File Expand all files Collapse all files

15
builtin/show-branch.c
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@ -466,12 +466,18 @@ static void snarf_refs(int head, int remotes)
{
if (head) {
int orig_cnt = ref_name_cnt;
for_each_ref(append_head_ref, NULL);
struct each_ref_fn_sha1_adapter wrapped_append_head_ref =
{append_head_ref, NULL};
for_each_ref(each_ref_fn_adapter, &wrapped_append_head_ref);
sort_ref_range(orig_cnt, ref_name_cnt);
}
if (remotes) {
int orig_cnt = ref_name_cnt;
for_each_ref(append_remote_ref, NULL);
struct each_ref_fn_sha1_adapter wrapped_append_remote_ref =
{append_remote_ref, NULL};
for_each_ref(each_ref_fn_adapter, &wrapped_append_remote_ref);
sort_ref_range(orig_cnt, ref_name_cnt);
}
}
@ -538,9 +544,12 @@ static void append_one_rev(const char *av)
if (strchr(av, '*') || strchr(av, '?') || strchr(av, '[')) {
/* glob style match */
int saved_matches = ref_name_cnt;
struct each_ref_fn_sha1_adapter wrapped_append_matching_ref =
{append_matching_ref, NULL};
match_ref_pattern = av;
match_ref_slash = count_slash(av);
for_each_ref(append_matching_ref, NULL);
for_each_ref(each_ref_fn_adapter, &wrapped_append_matching_ref);
if (saved_matches == ref_name_cnt &&
ref_name_cnt < MAX_REVS)
error("no matching refs with %s", av);