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describe: use commit-slab for commit names instead of commit->util

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It's done so that commit->util can be removed. See more explanation in
the commit that removes commit->util.

Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2018-05-19 07:28:20 +02:00 committed by Junio C Hamano
parent 4e0df4e663
commit c6b7206b0d
1 changed files with 13 additions and 3 deletions
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16
builtin/describe.c
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@ -15,9 +15,12 @@
#include "run-command.h"
#include "revision.h"
#include "list-objects.h"
#include "commit-slab.h"
#define MAX_TAGS (FLAG_BITS - 1)
define_commit_slab(commit_names, struct commit_name *);
static const char * const describe_usage[] = {
N_("git describe [<options>] [<commit-ish>...]"),
N_("git describe [<options>] --dirty"),
@ -37,6 +40,7 @@ static struct string_list patterns = STRING_LIST_INIT_NODUP;
static struct string_list exclude_patterns = STRING_LIST_INIT_NODUP;
static int always;
static const char *suffix, *dirty, *broken;
static struct commit_names commit_names;
/* diff-index command arguments to check if working tree is dirty. */
static const char *diff_index_args[] = {
@ -321,11 +325,14 @@ static void describe_commit(struct object_id *oid, struct strbuf *dst)
if (!have_util) {
struct hashmap_iter iter;
struct commit *c;
struct commit_name *n = hashmap_iter_first(&names, &iter);
struct commit_name *n;
init_commit_names(&commit_names);
n = hashmap_iter_first(&names, &iter);
for (; n; n = hashmap_iter_next(&iter)) {
c = lookup_commit_reference_gently(&n->peeled, 1);
if (c)
c->util = n;
*commit_names_at(&commit_names, c) = n;
}
have_util = 1;
}
@ -336,8 +343,11 @@ static void describe_commit(struct object_id *oid, struct strbuf *dst)
while (list) {
struct commit *c = pop_commit(&list);
struct commit_list *parents = c->parents;
struct commit_name **slot;
seen_commits++;
n = c->util;
slot = commit_names_peek(&commit_names, c);
n = slot ? *slot : NULL;
if (n) {
if (!tags && !all && n->prio < 2) {
unannotated_cnt++;