X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=parse-options.c;h=d9562ba5047ff1c9994755a4dbec5162b551c788;hb=1fb328947c8e3ace9df7d2d5374e26e2510a4e93;hp=7a08a0c64f9f447e09ef6771d83dbf95f8f3545d;hpb=144126abf99f2eac48e63b7ea85a8f3f99f814db;p=git.git

diff --git a/parse-options.c b/parse-options.c
index 7a08a0c64..d9562ba50 100644
--- a/parse-options.c
+++ b/parse-options.c
@@ -216,6 +216,26 @@ is_abbreviated:
 	return error("unknown option `%s'", arg);
 }
 
+void check_typos(const char *arg, const struct option *options)
+{
+	if (strlen(arg) < 3)
+		return;
+
+	if (!prefixcmp(arg, "no-")) {
+		error ("did you mean `--%s` (with two dashes ?)", arg);
+		exit(129);
+	}
+
+	for (; options->type != OPTION_END; options++) {
+		if (!options->long_name)
+			continue;
+		if (!prefixcmp(options->long_name, arg)) {
+			error ("did you mean `--%s` (with two dashes ?)", arg);
+			exit(129);
+		}
+	}
+}
+
 static NORETURN void usage_with_options_internal(const char * const *,
                                                  const struct option *, int);
 
@@ -235,12 +255,18 @@ int parse_options(int argc, const char **argv, const struct option *options,
 
 		if (arg[1] != '-') {
 			args.opt = arg + 1;
-			do {
+			if (*args.opt == 'h')
+				usage_with_options(usagestr, options);
+			if (parse_short_opt(&args, options) < 0)
+				usage_with_options(usagestr, options);
+			if (args.opt)
+				check_typos(arg + 1, options);
+			while (args.opt) {
 				if (*args.opt == 'h')
 					usage_with_options(usagestr, options);
 				if (parse_short_opt(&args, options) < 0)
 					usage_with_options(usagestr, options);
-			} while (args.opt);
+			}
 			continue;
 		}