parse-options: add new function "usage_msg_opt"

diff --git a/builtin-rev-parse.c b/builtin-rev-parse.c
index 22c6d6ad161f0de7dee88336a81a8f1f873c0bb0..112d622cda6f74f9752627d9adf3a1cdb04851c3 100644 (file)
--- a/builtin-rev-parse.c
+++ b/builtin-rev-parse.c
@@ -318,7 +318,7 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
        int onb = 0, osz = 0, unb = 0, usz = 0;
 
        strbuf_addstr(&parsed, "set --");
-       argc = parse_options(argc, argv, parseopt_opts, parseopt_usage,
+       argc = parse_options(argc, argv, prefix, parseopt_opts, parseopt_usage,
                             PARSE_OPT_KEEP_DASHDASH);
        if (argc < 1 || strcmp(argv[0], "--"))
                usage_with_options(parseopt_usage, parseopt_opts);
@@ -393,7 +393,7 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
        /* put an OPT_END() */
        ALLOC_GROW(opts, onb + 1, osz);
        memset(opts + onb, 0, sizeof(opts[onb]));
-       argc = parse_options(argc, argv, opts, usage,
+       argc = parse_options(argc, argv, prefix, opts, usage,
                             keep_dashdash ? PARSE_OPT_KEEP_DASHDASH : 0);
 
        strbuf_addf(&parsed, " --");
@@ -402,6 +402,18 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
        return 0;
 }
 
+static int cmd_sq_quote(int argc, const char **argv)
+{
+       struct strbuf buf = STRBUF_INIT;
+
+       if (argc)
+               sq_quote_argv(&buf, argv, 0);
+       printf("%s\n", buf.buf);
+       strbuf_release(&buf);
+
+       return 0;
+}
+
 static void die_no_single_rev(int quiet)
 {
        if (quiet)
@@ -419,6 +431,9 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
        if (argc > 1 && !strcmp("--parseopt", argv[1]))
                return cmd_parseopt(argc - 1, argv + 1, prefix);
 
+       if (argc > 1 && !strcmp("--sq-quote", argv[1]))
+               return cmd_sq_quote(argc - 2, argv + 2);
+
        prefix = setup_git_directory();
        git_config(git_default_config, NULL);
        for (i = 1; i < argc; i++) {