[RFC PATCH 1/3] add test for git grep --recursive

[Chris Packham <judge.packham@gmail.com>]

Signed-off-by: Chris Packham <judge.packham@gmail.com>
---
 t/t7820-grep-recursive.sh |  101 +++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 101 insertions(+), 0 deletions(-)
 create mode 100644 t/t7820-grep-recursive.sh

diff --git a/t/t7820-grep-recursive.sh b/t/t7820-grep-recursive.sh
new file mode 100644
index 0000000..4bbd109
--- /dev/null
+++ b/t/t7820-grep-recursive.sh
@@ -0,0 +1,101 @@
+#!/bin/sh
+#
+# Copyright (c) 2010 Chris Packham
+#
+
+test_description='git grep --recursive test
+
+This test checks the ability of git grep to search within submodules when told
+to do so with the --recursive option'
+
+. ./test-lib.sh
+
+test_expect_success 'setup - initial commit' '
+	printf "one two three\nfour five six\n" >t &&
+	git add t &&
+	git commit -m "initial commit"
+'
+submodurl=$TRASH_DIRECTORY
+
+test_expect_success 'setup submodules for test' '
+	for mod in $(seq 1 5 | sed "s/.*/submodule&/"); do
+		git submodule add "$submodurl" $mod &&
+		git submodule init $mod
+	done
+'
+
+test_expect_success 'update data in each submodule' '
+	for n in $(seq 1 5); do
+		(cd submodule$n &&
+			sed -i "s/^four.*/& #$n/" t &&
+			git commit -a -m"update")
+	done
+'
+
+cat >expected <<EOF
+t:four five six
+EOF
+test_expect_success 'non-recursive grep in base' '
+	git grep "five" >actual &&
+	test_cmp expected actual
+'
+
+cat >expected <<EOF
+foo/t:four five six
+EOF
+test_expect_success 'submodule-prefix option' '
+	git grep --submodule-prefix=foo/ "five" >actual &&
+	test_cmp expected actual
+'
+
+cat >submodule1/expected <<EOF
+t:four five six #1
+EOF
+test_expect_success 'non-recursive grep in submodule' '
+	(
+		cd submodule1 &&
+		git grep "five" >actual &&
+		test_cmp expected actual
+	)
+'
+
+cat >expected <<EOF
+t:four five six #1
+t:four five six #2
+t:four five six #3
+t:four five six #4
+t:four five six #5
+t:four five six
+EOF
+test_expect_success 'recursive grep' '
+	git grep --recurse-submodules "five" >actual &&
+	test_cmp expected actual
+'
+
+cat >expected <<EOF
+t:2:four five six #1
+t:2:four five six #2
+t:2:four five six #3
+t:2:four five six #4
+t:2:four five six #5
+t:2:four five six
+EOF
+test_expect_success 'recursive grep (with -n)' '
+	git grep --recurse-submodules -n "five" >actual &&
+	test_cmp expected actual
+'
+
+cat >expected <<EOF
+t
+t
+t
+t
+t
+t
+EOF
+test_expect_success 'recursive grep (with -l)' '
+	git grep --recurse-submodules -l "five" >actual &&
+	test_cmp expected actual
+'
+
+test_done
-- 
1.7.3.dirty