gitattributes: fix relative path matching

There was an embarrassing pair of off-by-one miscounting that
failed to match path "a/b/c" when "a/.gitattributes" tried to
name it with relative path "b/c".

This fixes it.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/t/t0003-attributes.sh b/t/t0003-attributes.sh
new file mode 100755
index 000000000..47f08a46c
--- /dev/null
+++ b/t/t0003-attributes.sh
@@ -0,0 +1,49 @@
+#!/bin/sh
+
+test_description=gitattributes
+
+. ./test-lib.sh
+
+attr_check () {
+
+	path="$1"
+	expect="$2"
+
+	git check-attr test -- "$path" >actual &&
+	echo "$path: test: $2" >expect &&
+	diff -u expect actual
+
+}
+
+
+test_expect_success 'setup' '
+
+	mkdir -p a/b/d a/c &&
+	(
+		echo "f	test=f"
+	) >.gitattributes &&
+	(
+		echo "g test=a/g" &&
+		echo "b/g test=a/b/g"
+	) >a/.gitattributes &&
+	(
+		echo "h test=a/b/h" &&
+		echo "d/* test=a/b/d/*"
+	) >a/b/.gitattributes
+
+'
+
+test_expect_success 'attribute test' '
+
+	attr_check f f &&
+	attr_check a/f f &&
+	attr_check a/c/f f &&
+	attr_check a/g a/g &&
+	attr_check a/b/g a/b/g &&
+	attr_check b/g unspecified &&
+	attr_check a/b/h a/b/h &&
+	attr_check a/b/d/g "a/b/d/*"
+
+'
+
+test_done