test_cmp expected actual
'
+test_expect_success 'grep -f, non-existent file' '
+ test_must_fail git grep -f patterns
+'
+
+cat >expected <<EOF
+file:foo mmap bar
+file:foo_mmap bar
+file:foo_mmap bar mmap
+file:foo mmap bar_mmap
+file:foo_mmap bar mmap baz
+EOF
+
+cat >pattern <<EOF
+mmap
+EOF
+
+test_expect_success 'grep -f, one pattern' '
+ git grep -f pattern >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+file:foo mmap bar
+file:foo_mmap bar
+file:foo_mmap bar mmap
+file:foo mmap bar_mmap
+file:foo_mmap bar mmap baz
+t/a/v:vvv
+t/v:vvv
+v:vvv
+EOF
+
+cat >patterns <<EOF
+mmap
+vvv
+EOF
+
+test_expect_success 'grep -f, multiple patterns' '
+ git grep -f patterns >actual &&
+ test_cmp expected actual
+'
+
+cat >expected <<EOF
+file:foo mmap bar
+file:foo_mmap bar
+file:foo_mmap bar mmap
+file:foo mmap bar_mmap
+file:foo_mmap bar mmap baz
+t/a/v:vvv
+t/v:vvv
+v:vvv
+EOF
+
+cat >patterns <<EOF
+
+mmap
+
+vvv
+
+EOF
+
+test_expect_success 'grep -f, ignore empty lines' '
+ git grep -f patterns >actual &&
+ test_cmp expected actual
+'
+
cat >expected <<EOF
y:y yy
--
test_cmp expected actual
'
+test_expect_success 'grep from a subdirectory to search wider area (1)' '
+ mkdir -p s &&
+ (
+ cd s && git grep "x x x" ..
+ )
+'
+
+test_expect_success 'grep from a subdirectory to search wider area (2)' '
+ mkdir -p s &&
+ (
+ cd s || exit 1
+ ( git grep xxyyzz .. >out ; echo $? >status )
+ ! test -s out &&
+ test 1 = $(cat status)
+ )
+'
+
test_done