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commit-reach(repo_get_merge_bases): pass on "missing commits" errors

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The `merge_bases_many()` function was just taught to indicate parsing
errors, and now the `repo_get_merge_bases()` function (which is also
surfaced via the `repo_get_merge_bases()` macro) is aware of that, too.

Naturally, there are a lot of callers that need to be adjusted now, too.

Next step: adjust the callers of `get_octopus_merge_bases()`.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Johannes Schindelin
2024-02-28 09:44:14 +00:00
committed by Junio C Hamano
parent 8226e157a9
commit 76e2a09999
17 changed files with 96 additions and 51 deletions
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12
revision.c
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@ -1963,7 +1963,7 @@ static void add_pending_commit_list(struct rev_info *revs,
static void prepare_show_merge(struct rev_info *revs)
{
struct commit_list *bases;
struct commit_list *bases = NULL;
struct commit *head, *other;
struct object_id oid;
const char **prune = NULL;
@ -1978,7 +1978,8 @@ static void prepare_show_merge(struct rev_info *revs)
other = lookup_commit_or_die(&oid, "MERGE_HEAD");
add_pending_object(revs, &head->object, "HEAD");
add_pending_object(revs, &other->object, "MERGE_HEAD");
bases = repo_get_merge_bases(the_repository, head, other);
if (repo_get_merge_bases(the_repository, head, other, &bases) < 0)
exit(128);
add_rev_cmdline_list(revs, bases, REV_CMD_MERGE_BASE, UNINTERESTING | BOTTOM);
add_pending_commit_list(revs, bases, UNINTERESTING | BOTTOM);
free_commit_list(bases);
@ -2066,14 +2067,17 @@ static int handle_dotdot_1(const char *arg, char *dotdot,
} else {
/* A...B -- find merge bases between the two */
struct commit *a, *b;
struct commit_list *exclude;
struct commit_list *exclude = NULL;
a = lookup_commit_reference(revs->repo, &a_obj->oid);
b = lookup_commit_reference(revs->repo, &b_obj->oid);
if (!a || !b)
return dotdot_missing(arg, dotdot, revs, symmetric);
exclude = repo_get_merge_bases(the_repository, a, b);
if (repo_get_merge_bases(the_repository, a, b, &exclude) < 0) {
free_commit_list(exclude);
return -1;
}
add_rev_cmdline_list(revs, exclude, REV_CMD_MERGE_BASE,
flags_exclude);
add_pending_commit_list(revs, exclude, flags_exclude);