blame: extract find_single_final

Signed-off-by: Max Kirillov <max@max630.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Max Kirillov 2015-10-30 07:01:52 +02:00 committed by Junio C Hamano
parent ec352401fb
commit 1b0d40000a

View file

@ -2396,16 +2396,11 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
return commit;
}
static char *prepare_final(struct scoreboard *sb)
static struct object_array_entry *find_single_final(struct rev_info *revs)
{
int i;
const char *final_commit_name = NULL;
struct rev_info *revs = sb->revs;
struct object_array_entry *found = NULL;
/*
* There must be one and only one positive commit in the
* revs->pending array.
*/
for (i = 0; i < revs->pending.nr; i++) {
struct object *obj = revs->pending.objects[i].item;
if (obj->flags & UNINTERESTING)
@ -2414,14 +2409,24 @@ static char *prepare_final(struct scoreboard *sb)
obj = deref_tag(obj, NULL, 0);
if (obj->type != OBJ_COMMIT)
die("Non commit %s?", revs->pending.objects[i].name);
if (sb->final)
if (found)
die("More than one commit to dig from %s and %s?",
revs->pending.objects[i].name,
final_commit_name);
sb->final = (struct commit *) obj;
final_commit_name = revs->pending.objects[i].name;
found->name);
found = &(revs->pending.objects[i]);
}
return found;
}
static char *prepare_final(struct scoreboard *sb)
{
struct object_array_entry *found = find_single_final(sb->revs);
if (found) {
sb->final = (struct commit *) found->item;
return xstrdup(found->name);
} else {
return NULL;
}
return xstrdup_or_null(final_commit_name);
}
static char *prepare_initial(struct scoreboard *sb)