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builtin/repack.c: use named flags for existing_packs

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We use the `util` pointer for items in the `existing_packs` string list
to indicate which packs are going to be deleted. Since that has so far
been the only use of that `util` pointer, we just set it to 0 or 1.

But we're going to add an additional state to this field in the next
patch, so prepare for that by adding a #define for the first bit so we
can more expressively inspect the flags state.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Taylor Blau 2022-05-20 19:18:08 -04:00 committed by Junio C Hamano
parent 4571324b99
commit 72263ffc32
1 changed files with 6 additions and 3 deletions
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9
builtin/repack.c
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@ -22,6 +22,8 @@
#define LOOSEN_UNREACHABLE 2
#define PACK_CRUFT 4
#define DELETE_PACK 1
static int pack_everything;
static int delta_base_offset = 1;
static int pack_kept_objects = -1;
@ -564,7 +566,7 @@ static void midx_included_packs(struct string_list *include,
}
} else {
for_each_string_list_item(item, existing_nonkept_packs) {
if (item->util)
if ((uintptr_t)item->util & DELETE_PACK)
continue;
string_list_insert(include, xstrfmt("%s.idx", item->string));
}
@ -1002,7 +1004,8 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
* was given) and that we will actually delete this pack
* (if `-d` was given).
*/
item->util = (void*)(intptr_t)!string_list_has_string(&names, sha1);
if (!string_list_has_string(&names, sha1))
item->util = (void*)(uintptr_t)((size_t)item->util | DELETE_PACK);
}
}
@ -1026,7 +1029,7 @@ int cmd_repack(int argc, const char **argv, const char *prefix)
if (delete_redundant) {
int opts = 0;
for_each_string_list_item(item, &existing_nonkept_packs) {
if (!item->util)
if (!((uintptr_t)item->util & DELETE_PACK))
continue;
remove_redundant_pack(packdir, item->string);
}