Correct compiler warnings in fast-import.

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

diff --git a/builtin-symbolic-ref.c b/builtin-symbolic-ref.c
index 6f18db870a2e4ea020034533243617ceb6275afa..227c9d4a6274871b52420221d9d088bb3ac5554f 100644 (file)
--- a/builtin-symbolic-ref.c
+++ b/builtin-symbolic-ref.c
@@ -1,25 +1,53 @@
 #include "builtin.h"
 #include "cache.h"
+#include "refs.h"
 
 static const char git_symbolic_ref_usage[] =
-"git-symbolic-ref name [ref]";
+"git-symbolic-ref [-q] name [ref]";
 
-static void check_symref(const char *HEAD)
+static void check_symref(const char *HEAD, int quiet)
 {
        unsigned char sha1[20];
-       const char *refs_heads_master = resolve_ref("HEAD", sha1, 0);
+       int flag;
+       const char *refs_heads_master = resolve_ref(HEAD, sha1, 0, &flag);
 
        if (!refs_heads_master)
                die("No such ref: %s", HEAD);
+       else if (!(flag & REF_ISSYMREF)) {
+               if (!quiet)
+                       die("ref %s is not a symbolic ref", HEAD);
+               else
+                       exit(1);
+       }
        puts(refs_heads_master);
 }
 
 int cmd_symbolic_ref(int argc, const char **argv, const char *prefix)
 {
+       int quiet = 0;
+
        git_config(git_default_config);
+
+       while (1 < argc) {
+               const char *arg = argv[1];
+               if (arg[0] != '-')
+                       break;
+               else if (!strcmp("-q", arg))
+                       quiet = 1;
+               else if (!strcmp("--", arg)) {
+                       argc--;
+                       argv++;
+                       break;
+               }
+               else
+                       die("unknown option %s", arg);
+               argc--;
+               argv++;
+       }
+
        switch (argc) {
        case 2:
-               check_symref(argv[1]);
+               check_symref(argv[1], quiet);
                break;
        case 3:
                create_symref(argv[1], argv[2]);