1 files changed, 50 insertions, 0 deletions
diff --git a/t/t1303-wacky-config.sh b/t/t1303-wacky-config.sh
new file mode 100755
index 0000000000..080117c6bc
--- /dev/null
+++ b/t/t1303-wacky-config.sh
@@ -0,0 +1,50 @@
+#!/bin/sh
+
+test_description='Test wacky input to git config'
+. ./test-lib.sh
+
+setup() {
+	(printf "[section]\n" &&
+	printf "  key = foo") >.git/config
+}
+
+check() {
+	echo "$2" >expected
+	git config --get "$1" >actual 2>&1
+	test_cmp actual expected
+}
+
+test_expect_success 'modify same key' '
+	setup &&
+	git config section.key bar &&
+	check section.key bar
+'
+
+test_expect_success 'add key in same section' '
+	setup &&
+	git config section.other bar &&
+	check section.key foo &&
+	check section.other bar
+'
+
+test_expect_success 'add key in different section' '
+	setup &&
+	git config section2.key bar &&
+	check section.key foo &&
+	check section2.key bar
+'
+
+SECTION="test.q\"s\\sq'sp e.key"
+test_expect_success 'make sure git config escapes section names properly' '
+	git config "$SECTION" bar &&
+	check "$SECTION" bar
+'
+
+LONG_VALUE=$(printf "x%01021dx a" 7)
+test_expect_success 'do not crash on special long config line' '
+	setup &&
+	git config section.key "$LONG_VALUE" &&
+	check section.key "fatal: bad config file line 2 in .git/config"
+'
+
+test_done