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Merge branch 'jc/xsha1-2'

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* jc/xsha1-2:
  Extended SHA1 -- "rev^@" syntax to mean "all parents"
This commit is contained in:
Junio C Hamano 2006-05-01 22:55:40 -07:00
commit 746437d534
1 changed files with 37 additions and 0 deletions
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37
revision.c
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@ -477,6 +477,36 @@ static void handle_all(struct rev_info *revs, unsigned flags)
for_each_ref(handle_one_ref);
}
static int add_parents_only(struct rev_info *revs, const char *arg, int flags)
{
unsigned char sha1[20];
struct object *it;
struct commit *commit;
struct commit_list *parents;
if (*arg == '^') {
flags ^= UNINTERESTING;
arg++;
}
if (get_sha1(arg, sha1))
return 0;
while (1) {
it = get_reference(revs, arg, sha1, 0);
if (strcmp(it->type, tag_type))
break;
memcpy(sha1, ((struct tag*)it)->tagged->sha1, 20);
}
if (strcmp(it->type, commit_type))
return 0;
commit = (struct commit *)it;
for (parents = commit->parents; parents; parents = parents->next) {
it = &parents->item->object;
it->flags |= flags;
add_pending_object(revs, it, arg);
}
return 1;
}
void init_revisions(struct rev_info *revs)
{
memset(revs, 0, sizeof(*revs));
@ -751,6 +781,13 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
}
*dotdot = '.';
}
dotdot = strstr(arg, "^@");
if (dotdot && !dotdot[2]) {
*dotdot = 0;
if (add_parents_only(revs, arg, flags))
continue;
*dotdot = '^';
}
local_flags = 0;
if (*arg == '^') {
local_flags = UNINTERESTING;