diff options
Diffstat (limited to 'builtin/rev-parse.c')
| -rw-r--r-- | builtin/rev-parse.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index 74aa644cbb..da5748bdae 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -282,6 +282,10 @@ static int try_difference(const char *arg) struct commit *a, *b; a = lookup_commit_reference(&oid); b = lookup_commit_reference(&end); + if (!a || !b) { + *dotdot = '.'; + return 0; + } exclude = get_merge_bases(a, b); while (exclude) { struct commit *commit = pop_commit(&exclude); @@ -328,12 +332,12 @@ static int try_parent_shorthands(const char *arg) return 0; *dotdot = 0; - if (get_oid_committish(arg, &oid)) { + if (get_oid_committish(arg, &oid) || + !(commit = lookup_commit_reference(&oid))) { *dotdot = '^'; return 0; } - commit = lookup_commit_reference(&oid); if (exclude_parent && exclude_parent > commit_list_count(commit->parents)) { *dotdot = '^'; |