git-rev-parse --symbolic-full-name
The plumbing level can understand that the user meant
"refs/heads/master" when the user says "master" or
"heads/master", but there is no easy way for the scripts to
figure it out without duplicating the dwim_ref() logic.
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/builtin-rev-parse.c b/builtin-rev-parse.c
index 20d1789..b9af1a5 100644
--- a/builtin-rev-parse.c
+++ b/builtin-rev-parse.c
@@ -21,6 +21,9 @@
#define NORMAL 0
#define REVERSED 1
static int show_type = NORMAL;
+
+#define SHOW_SYMBOLIC_ASIS 1
+#define SHOW_SYMBOLIC_FULL 2
static int symbolic;
static int abbrev;
static int output_sq;
@@ -103,8 +106,32 @@
if (type != show_type)
putchar('^');
- if (symbolic && name)
- show(name);
+ if (symbolic && name) {
+ if (symbolic == SHOW_SYMBOLIC_FULL) {
+ unsigned char discard[20];
+ char *full;
+
+ switch (dwim_ref(name, strlen(name), discard, &full)) {
+ case 0:
+ /*
+ * Not found -- not a ref. We could
+ * emit "name" here, but symbolic-full
+ * users are interested in finding the
+ * refs spelled in full, and they would
+ * need to filter non-refs if we did so.
+ */
+ break;
+ case 1: /* happy */
+ show(full);
+ break;
+ default: /* ambiguous */
+ error("refname '%s' is ambiguous", name);
+ break;
+ }
+ } else {
+ show(name);
+ }
+ }
else if (abbrev)
show(find_unique_abbrev(sha1, abbrev));
else
@@ -421,7 +448,11 @@
continue;
}
if (!strcmp(arg, "--symbolic")) {
- symbolic = 1;
+ symbolic = SHOW_SYMBOLIC_ASIS;
+ continue;
+ }
+ if (!strcmp(arg, "--symbolic-full-name")) {
+ symbolic = SHOW_SYMBOLIC_FULL;
continue;
}
if (!strcmp(arg, "--all")) {
