#!/bin/sh

test_description='Test grep recurse-submodules feature

This test verifies the recurse-submodules feature correctly greps across
submodules.
'

. ./test-lib.sh

test_expect_success 'setup directory structure and submodule' '
	echo "foobar" >a &&
	mkdir b &&
	echo "bar" >b/b &&
	git add a b &&
	git commit -m "add a and b" &&
	git init submodule &&
	echo "foobar" >submodule/a &&
	git -C submodule add a &&
	git -C submodule commit -m "add a" &&
	git submodule add ./submodule &&
	git commit -m "added submodule"
'

test_expect_success 'grep correctly finds patterns in a submodule' '
	cat >expect <<-\EOF &&
	a:foobar
	b/b:bar
	submodule/a:foobar
	EOF

	git grep -e "bar" --recurse-submodules >actual &&
	test_cmp expect actual
'

test_expect_success 'grep and basic pathspecs' '
	cat >expect <<-\EOF &&
	submodule/a:foobar
	EOF

	git grep -e. --recurse-submodules -- submodule >actual &&
	test_cmp expect actual
'

test_expect_success 'grep and nested submodules' '
	git init submodule/sub &&
	echo "foobar" >submodule/sub/a &&
	git -C submodule/sub add a &&
	git -C submodule/sub commit -m "add a" &&
	git -C submodule submodule add ./sub &&
	git -C submodule add sub &&
	git -C submodule commit -m "added sub" &&
	git add submodule &&
	git commit -m "updated submodule" &&

	cat >expect <<-\EOF &&
	a:foobar
	b/b:bar
	submodule/a:foobar
	submodule/sub/a:foobar
	EOF

	git grep -e "bar" --recurse-submodules >actual &&
	test_cmp expect actual
'

test_expect_success 'grep and multiple patterns' '
	cat >expect <<-\EOF &&
	a:foobar
	submodule/a:foobar
	submodule/sub/a:foobar
	EOF

	git grep -e "bar" --and -e "foo" --recurse-submodules >actual &&
	test_cmp expect actual
'

test_expect_success 'grep and multiple patterns' '
	cat >expect <<-\EOF &&
	b/b:bar
	EOF

	git grep -e "bar" --and --not -e "foo" --recurse-submodules >actual &&
	test_cmp expect actual
'

test_expect_success 'basic grep tree' '
	cat >expect <<-\EOF &&
	HEAD:a:foobar
	HEAD:b/b:bar
	HEAD:submodule/a:foobar
	HEAD:submodule/sub/a:foobar
	EOF

	git grep -e "bar" --recurse-submodules HEAD >actual &&
	test_cmp expect actual
'

test_expect_success 'grep tree HEAD^' '
	cat >expect <<-\EOF &&
	HEAD^:a:foobar
	HEAD^:b/b:bar
	HEAD^:submodule/a:foobar
	EOF

	git grep -e "bar" --recurse-submodules HEAD^ >actual &&
	test_cmp expect actual
'

test_expect_success 'grep tree HEAD^^' '
	cat >expect <<-\EOF &&
	HEAD^^:a:foobar
	HEAD^^:b/b:bar
	EOF

	git grep -e "bar" --recurse-submodules HEAD^^ >actual &&
	test_cmp expect actual
'

test_expect_success 'grep tree and pathspecs' '
	cat >expect <<-\EOF &&
	HEAD:submodule/a:foobar
	HEAD:submodule/sub/a:foobar
	EOF

	git grep -e "bar" --recurse-submodules HEAD -- submodule >actual &&
	test_cmp expect actual
'

test_expect_success 'grep tree and pathspecs' '
	cat >expect <<-\EOF &&
	HEAD:submodule/a:foobar
	HEAD:submodule/sub/a:foobar
	EOF

	git grep -e "bar" --recurse-submodules HEAD -- "submodule*a" >actual &&
	test_cmp expect actual
'

test_expect_success 'grep tree and more pathspecs' '
	cat >expect <<-\EOF &&
	HEAD:submodule/a:foobar
	EOF

	git grep -e "bar" --recurse-submodules HEAD -- "submodul?/a" >actual &&
	test_cmp expect actual
'

test_expect_success 'grep tree and more pathspecs' '
	cat >expect <<-\EOF &&
	HEAD:submodule/sub/a:foobar
	EOF

	git grep -e "bar" --recurse-submodules HEAD -- "submodul*/sub/a" >actual &&
	test_cmp expect actual
'

test_expect_success !MINGW 'grep recurse submodule colon in name' '
	git init parent &&
	test_when_finished "rm -rf parent" &&
	echo "foobar" >"parent/fi:le" &&
	git -C parent add "fi:le" &&
	git -C parent commit -m "add fi:le" &&

	git init "su:b" &&
	test_when_finished "rm -rf su:b" &&
	echo "foobar" >"su:b/fi:le" &&
	git -C "su:b" add "fi:le" &&
	git -C "su:b" commit -m "add fi:le" &&

	git -C parent submodule add "../su:b" "su:b" &&
	git -C parent commit -m "add submodule" &&

	cat >expect <<-\EOF &&
	fi:le:foobar
	su:b/fi:le:foobar
	EOF
	git -C parent grep -e "foobar" --recurse-submodules >actual &&
	test_cmp expect actual &&

	cat >expect <<-\EOF &&
	HEAD:fi:le:foobar
	HEAD:su:b/fi:le:foobar
	EOF
	git -C parent grep -e "foobar" --recurse-submodules HEAD >actual &&
	test_cmp expect actual
'

test_expect_success 'grep history with moved submoules' '
	git init parent &&
	test_when_finished "rm -rf parent" &&
	echo "foobar" >parent/file &&
	git -C parent add file &&
	git -C parent commit -m "add file" &&

	git init sub &&
	test_when_finished "rm -rf sub" &&
	echo "foobar" >sub/file &&
	git -C sub add file &&
	git -C sub commit -m "add file" &&

	git -C parent submodule add ../sub dir/sub &&
	git -C parent commit -m "add submodule" &&

	cat >expect <<-\EOF &&
	dir/sub/file:foobar
	file:foobar
	EOF
	git -C parent grep -e "foobar" --recurse-submodules >actual &&
	test_cmp expect actual &&

	git -C parent mv dir/sub sub-moved &&
	git -C parent commit -m "moved submodule" &&

	cat >expect <<-\EOF &&
	file:foobar
	sub-moved/file:foobar
	EOF
	git -C parent grep -e "foobar" --recurse-submodules >actual &&
	test_cmp expect actual &&

	cat >expect <<-\EOF &&
	HEAD^:dir/sub/file:foobar
	HEAD^:file:foobar
	EOF
	git -C parent grep -e "foobar" --recurse-submodules HEAD^ >actual &&
	test_cmp expect actual
'

test_expect_success 'grep using relative path' '
	test_when_finished "rm -rf parent sub" &&
	git init sub &&
	echo "foobar" >sub/file &&
	git -C sub add file &&
	git -C sub commit -m "add file" &&

	git init parent &&
	echo "foobar" >parent/file &&
	git -C parent add file &&
	mkdir parent/src &&
	echo "foobar" >parent/src/file2 &&
	git -C parent add src/file2 &&
	git -C parent submodule add ../sub &&
	git -C parent commit -m "add files and submodule" &&

	# From top works
	cat >expect <<-\EOF &&
	file:foobar
	src/file2:foobar
	sub/file:foobar
	EOF
	git -C parent grep --recurse-submodules -e "foobar" >actual &&
	test_cmp expect actual &&

	# Relative path to top
	cat >expect <<-\EOF &&
	../file:foobar
	file2:foobar
	../sub/file:foobar
	EOF
	git -C parent/src grep --recurse-submodules -e "foobar" -- .. >actual &&
	test_cmp expect actual &&

	# Relative path to submodule
	cat >expect <<-\EOF &&
	../sub/file:foobar
	EOF
	git -C parent/src grep --recurse-submodules -e "foobar" -- ../sub >actual &&
	test_cmp expect actual
'

test_expect_success 'grep from a subdir' '
	test_when_finished "rm -rf parent sub" &&
	git init sub &&
	echo "foobar" >sub/file &&
	git -C sub add file &&
	git -C sub commit -m "add file" &&

	git init parent &&
	mkdir parent/src &&
	echo "foobar" >parent/src/file &&
	git -C parent add src/file &&
	git -C parent submodule add ../sub src/sub &&
	git -C parent submodule add ../sub sub &&
	git -C parent commit -m "add files and submodules" &&

	# Verify grep from root works
	cat >expect <<-\EOF &&
	src/file:foobar
	src/sub/file:foobar
	sub/file:foobar
	EOF
	git -C parent grep --recurse-submodules -e "foobar" >actual &&
	test_cmp expect actual &&

	# Verify grep from a subdir works
	cat >expect <<-\EOF &&
	file:foobar
	sub/file:foobar
	EOF
	git -C parent/src grep --recurse-submodules -e "foobar" >actual &&
	test_cmp expect actual
'

test_incompatible_with_recurse_submodules ()
{
	test_expect_success "--recurse-submodules and $1 are incompatible" "
		test_must_fail git grep -e. --recurse-submodules $1 2>actual &&
		test_i18ngrep 'not supported with --recurse-submodules' actual
	"
}

test_incompatible_with_recurse_submodules --untracked
test_incompatible_with_recurse_submodules --no-index

test_done