diff options
Diffstat (limited to 'builtin/rev-parse.c')
-rw-r--r-- | builtin/rev-parse.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index 32788a9f86..25e225f067 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -230,6 +230,7 @@ static int try_difference(const char *arg) const char *next; const char *this; int symmetric; + static const char head_by_default[] = "HEAD"; if (!(dotdot = strstr(arg, ".."))) return 0; @@ -241,9 +242,20 @@ static int try_difference(const char *arg) next += symmetric; if (!*next) - next = "HEAD"; + next = head_by_default; if (dotdot == arg) - this = "HEAD"; + this = head_by_default; + + if (this == head_by_default && next == head_by_default && + !symmetric) { + /* + * Just ".."? That is not a range but the + * pathspec for the parent directory. + */ + *dotdot = '.'; + return 0; + } + if (!get_sha1_committish(this, sha1) && !get_sha1_committish(next, end)) { show_rev(NORMAL, end, next); show_rev(symmetric ? NORMAL : REVERSED, sha1, this); |