diff options
Diffstat (limited to 'builtin/rev-parse.c')
| -rw-r--r-- | builtin/rev-parse.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c index 98d1cbecca..47b4e7adb9 100644 --- a/builtin/rev-parse.c +++ b/builtin/rev-parse.c @@ -224,6 +224,7 @@ 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; @@ -235,9 +236,20 @@ 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(this, sha1) && !get_sha1(next, end)) { show_rev(NORMAL, end, next); show_rev(symmetric ? NORMAL : REVERSED, sha1, this); @@ -486,7 +498,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) if (as_is) { if (show_file(arg) && as_is < 2) - verify_filename(prefix, arg); + verify_filename(prefix, arg, 0); continue; } if (!strcmp(arg,"-n")) { @@ -634,6 +646,8 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) if (!strcmp(arg, "--show-prefix")) { if (prefix) puts(prefix); + else + putchar('\n'); continue; } if (!strcmp(arg, "--show-cdup")) { @@ -732,7 +746,7 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix) as_is = 1; if (!show_file(arg)) continue; - verify_filename(prefix, arg); + verify_filename(prefix, arg, 1); } if (verify) { if (revs_count == 1) { |