From: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Date: Sat, 25 Jun 2016 05:22:28 +0000 (+0200)
Subject: test-regex: isolate the bug test code
X-Git-Tag: v2.9.3~47^2~10
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=949782d860889cbd50edfdf8c00e91d7a4f6cb05;p=thirdparty%2Fgit.git

test-regex: isolate the bug test code

This is in preparation to turn test-regex into some generic regex
testing command.

Helped-by: Eric Sunshine <sunshine@sunshineco.com>
Helped-by: Ramsay Jones <ramsay@ramsayjones.plus.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---

diff --git a/t/t0070-fundamental.sh b/t/t0070-fundamental.sh
index 5ed69a6f56..991ed2a48d 100755
--- a/t/t0070-fundamental.sh
+++ b/t/t0070-fundamental.sh
@@ -31,7 +31,7 @@ test_expect_success 'git_mkstemps_mode does not fail if fd 0 is not open' '
 
 test_expect_success 'check for a bug in the regex routines' '
 	# if this test fails, re-build git with NO_REGEX=1
-	test-regex
+	test-regex --bug
 '
 
 test_done
diff --git a/test-regex.c b/test-regex.c
index 0dc598ecdc..67a1a65067 100644
--- a/test-regex.c
+++ b/test-regex.c
@@ -1,6 +1,6 @@
 #include "git-compat-util.h"
 
-int main(int argc, char **argv)
+static int test_regex_bug(void)
 {
 	char *pat = "[^={} \t]+";
 	char *str = "={}\nfred";
@@ -16,5 +16,13 @@ int main(int argc, char **argv)
 	if (m[0].rm_so == 3) /* matches '\n' when it should not */
 		die("regex bug confirmed: re-build git with NO_REGEX=1");
 
-	exit(0);
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	if (argc == 2 && !strcmp(argv[1], "--bug"))
+		return test_regex_bug();
+	else
+		usage("test-regex --bug");
 }