summaryrefslogtreecommitdiff
path: root/builtin/rev-parse.c
diff options
context:
space:
mode:
Diffstat (limited to 'builtin/rev-parse.c')
-rw-r--r--builtin/rev-parse.c36
1 files changed, 30 insertions, 6 deletions
diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 98d1cbecca..25e225f067 100644
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -195,6 +195,12 @@ static int anti_reference(const char *refname, const unsigned char *sha1, int fl
return 0;
}
+static int show_abbrev(const unsigned char *sha1, void *cb_data)
+{
+ show_rev(NORMAL, sha1, NULL);
+ return 0;
+}
+
static void show_datestring(const char *flag, const char *datestr)
{
static char buffer[100];
@@ -224,6 +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;
@@ -235,10 +242,21 @@ static int try_difference(const char *arg)
next += symmetric;
if (!*next)
- next = "HEAD";
+ next = head_by_default;
if (dotdot == arg)
- this = "HEAD";
- if (!get_sha1(this, sha1) && !get_sha1(next, end)) {
+ 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);
if (symmetric) {
@@ -278,7 +296,7 @@ static int try_parent_shorthands(const char *arg)
return 0;
*dotdot = 0;
- if (get_sha1(arg, sha1))
+ if (get_sha1_committish(arg, sha1))
return 0;
if (!parents_only)
@@ -486,7 +504,7 @@ 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")) {
@@ -589,6 +607,10 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
for_each_ref(show_reference, NULL);
continue;
}
+ if (!prefixcmp(arg, "--disambiguate=")) {
+ for_each_abbrev(arg + 15, show_abbrev, NULL);
+ continue;
+ }
if (!strcmp(arg, "--bisect")) {
for_each_ref_in("refs/bisect/bad", show_reference, NULL);
for_each_ref_in("refs/bisect/good", anti_reference, NULL);
@@ -634,6 +656,8 @@ 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 +756,7 @@ 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) {