[PATCH] git-describe: Show HEAD by default.

[exon@op5.se (Andreas Ericsson)]

Signed-off-by: Andreas Ericsson <ae@op5.se>

---

 describe.c |   27 +++++++++++++++++----------
 1 files changed, 17 insertions(+), 10 deletions(-)

b3c6fee2b1dda213fe8439da2c14189abab9bdf7
diff --git a/describe.c b/describe.c
index a0180f5..fda4102 100644
--- a/describe.c
+++ b/describe.c
@@ -98,11 +98,20 @@ static int compare_names(const void *_a,
 	return (a_date > b_date) ? -1 : (a_date == b_date) ? 0 : 1;
 }
 
-static void describe(struct commit *cmit)
+static void describe(const char *ref)
 {
 	struct commit_list *list;
 	static int initialized = 0;
 	struct commit_name *n;
+	unsigned char sha1[20];
+	struct commit *cmit;
+
+	if (get_sha1(ref, sha1) < 0)
+		usage(describe_usage);
+
+	cmit = lookup_commit_reference(sha1);
+	if (!cmit)
+		usage(describe_usage);
 
 	if (!initialized) {
 		initialized = 1;
@@ -132,12 +141,10 @@ static void describe(struct commit *cmit
 
 int main(int argc, char **argv)
 {
-	int i;
+	int i, desc = 0;
 
 	for (i = 1; i < argc; i++) {
 		const char *arg = argv[i];
-		unsigned char sha1[20];
-		struct commit *cmit;
 
 		if (!strcmp(arg, "--all")) {
 			all = 1;
@@ -153,12 +160,12 @@ int main(int argc, char **argv)
 				abbrev = DEFAULT_ABBREV;
 			continue;
 		}
-		if (get_sha1(arg, sha1) < 0)
-			usage(describe_usage);
-		cmit = lookup_commit_reference(sha1);
-		if (!cmit)
-			usage(describe_usage);
-		describe(cmit);
+		describe(arg);
+		desc++;
 	}
+
+	if (!desc)
+		describe("HEAD");
+
 	return 0;
 }
-- 
1.1.0