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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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4
builtin/tag.c
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@ -260,6 +260,8 @@ static int list_tags(const char **patterns, int lines,
struct commit_list *with_commit, int sort)
{
struct tag_filter filter;
struct each_ref_fn_sha1_adapter wrapped_show_reference =
{show_reference, (void *)&filter};
filter.patterns = patterns;
filter.lines = lines;
@ -268,7 +270,7 @@ static int list_tags(const char **patterns, int lines,
memset(&filter.tags, 0, sizeof(filter.tags));
filter.tags.strdup_strings = 1;
for_each_tag_ref(show_reference, (void *) &filter);
for_each_tag_ref(each_ref_fn_adapter, &wrapped_show_reference);
if (sort) {
int i;
if ((sort & SORT_MASK) == VERCMP_SORT)