Merge branch 'pp/gitweb-config-underscore'

[git.git] / builtin / symbolic-ref.c

diff --git a/builtin/symbolic-ref.c b/builtin/symbolic-ref.c
index 9e92828b3ab02fb93c568eab03f0db9d398e8fa2..f48195942123692c95ad8e5585f853ad54a3dbe4 100644 (file)
--- a/builtin/symbolic-ref.c
+++ b/builtin/symbolic-ref.c
@@ -5,12 +5,11 @@
 
 static const char * const git_symbolic_ref_usage[] = {
        N_("git symbolic-ref [options] name [ref]"),
+       N_("git symbolic-ref -d [-q] name"),
        NULL
 };
 
-static int shorten;
-
-static void check_symref(const char *HEAD, int quiet)
+static int check_symref(const char *HEAD, int quiet, int shorten, int print)
 {
        unsigned char sha1[20];
        int flag;
@@ -22,20 +21,24 @@ static void check_symref(const char *HEAD, int quiet)
                if (!quiet)
                        die("ref %s is not a symbolic ref", HEAD);
                else
-                       exit(1);
+                       return 1;
+       }
+       if (print) {
+               if (shorten)
+                       refname = shorten_unambiguous_ref(refname, 0);
+               puts(refname);
        }
-       if (shorten)
-               refname = shorten_unambiguous_ref(refname, 0);
-       puts(refname);
+       return 0;
 }
 
 int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
 {
-       int quiet = 0;
+       int quiet = 0, delete = 0, shorten = 0, ret = 0;
        const char *msg = NULL;
        struct option options[] = {
                OPT__QUIET(&quiet,
                        N_("suppress error message for non-symbolic (detached) refs")),
+               OPT_BOOL('d', "delete", &delete, N_("delete symbolic ref")),
                OPT_BOOL(0, "short", &shorten, N_("shorten ref output")),
                OPT_STRING('m', NULL, &msg, N_("reason"), N_("reason of the update")),
                OPT_END(),
@@ -46,9 +49,19 @@ int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
                             git_symbolic_ref_usage, 0);
        if (msg &&!*msg)
                die("Refusing to perform update with empty message");
+
+       if (delete) {
+               if (argc != 1)
+                       usage_with_options(git_symbolic_ref_usage, options);
+               ret = check_symref(argv[0], 1, 0, 0);
+               if (ret)
+                       die("Cannot delete %s, not a symbolic ref", argv[0]);
+               return delete_ref(argv[0], NULL, REF_NODEREF);
+       }
+
        switch (argc) {
        case 1:
-               check_symref(argv[0], quiet);
+               ret = check_symref(argv[0], quiet, shorten, 1);
                break;
        case 2:
                if (!strcmp(argv[0], "HEAD") &&
@@ -59,5 +72,5 @@ int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
        default:
                usage_with_options(git_symbolic_ref_usage, options);
        }
-       return 0;
+       return ret;
 }