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authorMatthias Kestenholz <matthias@spinlock.ch>2006-08-03 15:24:38 (GMT)
committerJunio C Hamano <junkio@cox.net>2006-08-04 06:15:11 (GMT)
commit640ce1052bbd6a8f1dd4d58beaa521d7592a0f02 (patch)
tree6083c20c6ca0704d370f07d7f981c65c2d6909bb /builtin-symbolic-ref.c
parent6441363079d85cf17aee21b8925e9745c8abda16 (diff)
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Make git-symbolic-ref a builtin
Signed-off-by: Matthias Kestenholz <matthias@spinlock.ch> Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'builtin-symbolic-ref.c')
-rw-r--r--builtin-symbolic-ref.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/builtin-symbolic-ref.c b/builtin-symbolic-ref.c
new file mode 100644
index 0000000..b4ec6f2
--- /dev/null
+++ b/builtin-symbolic-ref.c
@@ -0,0 +1,35 @@
+#include "builtin.h"
+#include "cache.h"
+
+static const char git_symbolic_ref_usage[] =
+"git-symbolic-ref name [ref]";
+
+static void check_symref(const char *HEAD)
+{
+ unsigned char sha1[20];
+ const char *git_HEAD = strdup(git_path("%s", HEAD));
+ const char *git_refs_heads_master = resolve_ref(git_HEAD, sha1, 0);
+ if (git_refs_heads_master) {
+ /* we want to strip the .git/ part */
+ int pfxlen = strlen(git_HEAD) - strlen(HEAD);
+ puts(git_refs_heads_master + pfxlen);
+ }
+ else
+ die("No such ref: %s", HEAD);
+}
+
+int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
+{
+ git_config(git_default_config);
+ switch (argc) {
+ case 2:
+ check_symref(argv[1]);
+ break;
+ case 3:
+ create_symref(strdup(git_path("%s", argv[1])), argv[2]);
+ break;
+ default:
+ usage(git_symbolic_ref_usage);
+ }
+ return 0;
+}