help: reuse print_columns() for help -a

diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 4c19f844a977b6413afcd5df6b4f8bc0875775a8..98d1cbeccacc4b22dee88dab3d0154a3f70afe81 100644 (file)
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -468,6 +468,14 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                return 0;
        }
 
+       if (argc > 2 && !strcmp(argv[1], "--resolve-git-dir")) {
+               const char *gitdir = resolve_gitdir(argv[2]);
+               if (!gitdir)
+                       die("not a gitdir '%s'", argv[2]);
+               puts(gitdir);
+               return 0;
+       }
+
        if (argc > 1 && !strcmp("-h", argv[1]))
                usage(builtin_rev_parse_usage);