t/t7002-grep.sh - jrn/git - Git at Google

 #!/bin/sh
 #
 # Copyright (c) 2006 Junio C Hamano
 #

 test_description='git grep various.
 '

 . ./test-lib.sh

 cat >hello.c <<EOF
 #include <stdio.h>
 int main(int argc, const char **argv)
 {
 	printf("Hello world.\n");
 	return 0;
 	/* char ?? */
 }
 EOF

 test_expect_success setup '
 	{
 		echo foo mmap bar
 		echo foo_mmap bar
 		echo foo_mmap bar mmap
 		echo foo mmap bar_mmap
 		echo foo_mmap bar mmap baz
 	} >file &&
 	echo vvv >v &&
 	echo ww w >w &&
 	echo x x xx x >x &&
 	echo y yy >y &&
 	echo zzz > z &&
 	mkdir t &&
 	echo test >t/t &&
 	echo vvv >t/v &&
 	mkdir t/a &&
 	echo vvv >t/a/v &&
 	git add . &&
 	test_tick &&
 	git commit -m initial
 '

 test_expect_success 'grep should not segfault with a bad input' '
 	test_must_fail git grep "("
 '

 for H in HEAD ''
 do
 	case "$H" in
 	HEAD)	HC='HEAD:' L='HEAD' ;;
 	'')	HC= L='in working tree' ;;
 	esac

 	test_expect_success "grep -w $L" '
 		{
 			echo ${HC}file:1:foo mmap bar
 			echo ${HC}file:3:foo_mmap bar mmap
 			echo ${HC}file:4:foo mmap bar_mmap
 			echo ${HC}file:5:foo_mmap bar mmap baz
 		} >expected &&
 		git grep -n -w -e mmap $H >actual &&
 		diff expected actual
 	'

 	test_expect_success "grep -w $L (w)" '
 		: >expected &&
 		! git grep -n -w -e "^w" >actual &&
 		test_cmp expected actual
 	'

 	test_expect_success "grep -w $L (x)" '
 		{
 			echo ${HC}x:1:x x xx x
 		} >expected &&
 		git grep -n -w -e "x xx* x" $H >actual &&
 		diff expected actual
 	'

 	test_expect_success "grep -w $L (y-1)" '
 		{
 			echo ${HC}y:1:y yy
 		} >expected &&
 		git grep -n -w -e "^y" $H >actual &&
 		diff expected actual
 	'

 	test_expect_success "grep -w $L (y-2)" '
 		: >expected &&
 		if git grep -n -w -e "^y y" $H >actual
 		then
 			echo should not have matched
 			cat actual
 			false
 		else
 			diff expected actual
 		fi
 	'

 	test_expect_success "grep -w $L (z)" '
 		: >expected &&
 		if git grep -n -w -e "^z" $H >actual
 		then
 			echo should not have matched
 			cat actual
 			false
 		else
 			diff expected actual
 		fi
 	'

 	test_expect_success "grep $L (t-1)" '
 		echo "${HC}t/t:1:test" >expected &&
 		git grep -n -e test $H >actual &&
 		diff expected actual
 	'

 	test_expect_success "grep $L (t-2)" '
 		echo "${HC}t:1:test" >expected &&
 		(
 			cd t &&
 			git grep -n -e test $H
 		) >actual &&
 		diff expected actual
 	'

 	test_expect_success "grep $L (t-3)" '
 		echo "${HC}t/t:1:test" >expected &&
 		(
 			cd t &&
 			git grep --full-name -n -e test $H
 		) >actual &&
 		diff expected actual
 	'

 	test_expect_success "grep -c $L (no /dev/null)" '
 		! git grep -c test $H | grep /dev/null
         '

 	test_expect_success "grep --max-depth -1 $L" '
 		{
 			echo ${HC}t/a/v:1:vvv
 			echo ${HC}t/v:1:vvv
 			echo ${HC}v:1:vvv
 		} >expected &&
 		git grep --max-depth -1 -n -e vvv $H >actual &&
 		test_cmp expected actual
 	'

 	test_expect_success "grep --max-depth 0 $L" '
 		{
 			echo ${HC}v:1:vvv
 		} >expected &&
 		git grep --max-depth 0 -n -e vvv $H >actual &&
 		test_cmp expected actual
 	'

 	test_expect_success "grep --max-depth 0 -- '*' $L" '
 		{
 			echo ${HC}t/a/v:1:vvv
 			echo ${HC}t/v:1:vvv
 			echo ${HC}v:1:vvv
 		} >expected &&
 		git grep --max-depth 0 -n -e vvv $H -- "*" >actual &&
 		test_cmp expected actual
 	'

 	test_expect_success "grep --max-depth 1 $L" '
 		{
 			echo ${HC}t/v:1:vvv
 			echo ${HC}v:1:vvv
 		} >expected &&
 		git grep --max-depth 1 -n -e vvv $H >actual &&
 		test_cmp expected actual
 	'

 	test_expect_success "grep --max-depth 0 -- t $L" '
 		{
 			echo ${HC}t/v:1:vvv
 		} >expected &&
 		git grep --max-depth 0 -n -e vvv $H -- t >actual &&
 		test_cmp expected actual
 	'

 done

 cat >expected <<EOF
 file:foo mmap bar_mmap
 EOF

 test_expect_success 'grep -e A --and -e B' '
 	git grep -e "foo mmap" --and -e bar_mmap >actual &&
 	test_cmp expected actual
 '

 cat >expected <<EOF
 file:foo_mmap bar mmap
 file:foo_mmap bar mmap baz
 EOF


 test_expect_success 'grep ( -e A --or -e B ) --and -e B' '
 	git grep \( -e foo_ --or -e baz \) \
 		--and -e " mmap" >actual &&
 	test_cmp expected actual
 '

 cat >expected <<EOF
 file:foo mmap bar
 EOF

 test_expect_success 'grep -e A --and --not -e B' '
 	git grep -e "foo mmap" --and --not -e bar_mmap >actual &&
 	test_cmp expected actual
 '

 test_expect_success 'grep should ignore GREP_OPTIONS' '
 	GREP_OPTIONS=-v git grep " mmap bar\$" >actual &&
 	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
 --
 z:zzz
 EOF

 test_expect_success 'grep -q, silently report matches' '
 	>empty &&
 	git grep -q mmap >actual &&
 	test_cmp empty actual &&
 	test_must_fail git grep -q qfwfq >actual &&
 	test_cmp empty actual
 '

 # Create 1024 file names that sort between "y" and "z" to make sure
 # the two files are handled by different calls to an external grep.
 # This depends on MAXARGS in builtin-grep.c being 1024 or less.
 c32="0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m n o p q r s t u v"
 test_expect_success 'grep -C1, hunk mark between files' '
 	for a in $c32; do for b in $c32; do : >y-$a$b; done; done &&
 	git add y-?? &&
 	git grep -C1 "^[yz]" >actual &&
 	test_cmp expected actual
 '

 test_expect_success 'grep -C1 hunk mark between files' '
 	git grep -C1 "^[yz]" >actual &&
 	test_cmp expected actual
 '

 test_expect_success 'log grep setup' '
 	echo a >>file &&
 	test_tick &&
 	GIT_AUTHOR_NAME="With * Asterisk" \
 	GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
 	git commit -a -m "second" &&

 	echo a >>file &&
 	test_tick &&
 	git commit -a -m "third"

 '

 test_expect_success 'log grep (1)' '
 	git log --author=author --pretty=tformat:%s >actual &&
 	( echo third ; echo initial ) >expect &&
 	test_cmp expect actual
 '

 test_expect_success 'log grep (2)' '
 	git log --author=" * " -F --pretty=tformat:%s >actual &&
 	( echo second ) >expect &&
 	test_cmp expect actual
 '

 test_expect_success 'log grep (3)' '
 	git log --author="^A U" --pretty=tformat:%s >actual &&
 	( echo third ; echo initial ) >expect &&
 	test_cmp expect actual
 '

 test_expect_success 'log grep (4)' '
 	git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
 	( echo second ) >expect &&
 	test_cmp expect actual
 '

 test_expect_success 'log grep (5)' '
 	git log --author=Thor -F --pretty=tformat:%s >actual &&
 	( echo third ; echo initial ) >expect &&
 	test_cmp expect actual
 '

 test_expect_success 'log grep (6)' '
 	git log --author=-0700  --pretty=tformat:%s >actual &&
 	>expect &&
 	test_cmp expect actual
 '

 test_expect_success 'log --grep --author implicitly uses all-match' '
 	# grep matches initial and second but not third
 	# author matches only initial and third
 	git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
 	echo initial >expect &&
 	test_cmp expect actual
 '

 test_expect_success 'grep with CE_VALID file' '
 	git update-index --assume-unchanged t/t &&
 	rm t/t &&
 	test "$(git grep test)" = "t/t:test" &&
 	git update-index --no-assume-unchanged t/t &&
 	git checkout t/t
 '

 cat >expected <<EOF
 hello.c=#include <stdio.h>
 hello.c:	return 0;
 EOF

 test_expect_success 'grep -p with userdiff' '
 	git config diff.custom.funcname "^#" &&
 	echo "hello.c diff=custom" >.gitattributes &&
 	git grep -p return >actual &&
 	test_cmp expected actual
 '

 cat >expected <<EOF
 hello.c=int main(int argc, const char **argv)
 hello.c:	return 0;
 EOF

 test_expect_success 'grep -p' '
 	rm -f .gitattributes &&
 	git grep -p return >actual &&
 	test_cmp expected actual
 '

 cat >expected <<EOF
 hello.c-#include <stdio.h>
 hello.c=int main(int argc, const char **argv)
 hello.c-{
 hello.c-	printf("Hello world.\n");
 hello.c:	return 0;
 EOF

 test_expect_success 'grep -p -B5' '
 	git grep -p -B5 return >actual &&
 	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)
 	)
 '

 cat >expected <<EOF
 hello.c:int main(int argc, const char **argv)
 EOF

 test_expect_success 'grep -Fi' '
 	git grep -Fi "CHAR *" >actual &&
 	test_cmp expected actual
 '

 test_expect_success 'setup double-dash tests' '
 cat >double-dash <<EOF &&
 --
 ->
 other
 EOF
 git add double-dash
 '

 cat >expected <<EOF
 double-dash:->
 EOF
 test_expect_success 'grep -- pattern' '
 	git grep -- "->" >actual &&
 	test_cmp expected actual
 '
 test_expect_success 'grep -- pattern -- pathspec' '
 	git grep -- "->" -- double-dash >actual &&
 	test_cmp expected actual
 '
 test_expect_success 'grep -e pattern -- path' '
 	git grep -e "->" -- double-dash >actual &&
 	test_cmp expected actual
 '

 cat >expected <<EOF
 double-dash:--
 EOF
 test_expect_success 'grep -e -- -- path' '
 	git grep -e -- -- double-dash >actual &&
 	test_cmp expected actual
 '

 test_done
	#!/bin/sh
	#
	# Copyright (c) 2006 Junio C Hamano
	#

	test_description='git grep various.
	'

	. ./test-lib.sh

	cat >hello.c <<EOF
	#include <stdio.h>
	int main(int argc, const char **argv)
	{
	printf("Hello world.\n");
	return 0;
	/* char ?? */
	}
	EOF

	test_expect_success setup '
	{
	echo foo mmap bar
	echo foo_mmap bar
	echo foo_mmap bar mmap
	echo foo mmap bar_mmap
	echo foo_mmap bar mmap baz
	} >file &&
	echo vvv >v &&
	echo ww w >w &&
	echo x x xx x >x &&
	echo y yy >y &&
	echo zzz > z &&
	mkdir t &&
	echo test >t/t &&
	echo vvv >t/v &&
	mkdir t/a &&
	echo vvv >t/a/v &&
	git add . &&
	test_tick &&
	git commit -m initial
	'

	test_expect_success 'grep should not segfault with a bad input' '
	test_must_fail git grep "("
	'

	for H in HEAD ''
	do
	case "$H" in
	HEAD) HC='HEAD:' L='HEAD' ;;
	'') HC= L='in working tree' ;;
	esac

	test_expect_success "grep -w $L" '
	{
	echo ${HC}file:1:foo mmap bar
	echo ${HC}file:3:foo_mmap bar mmap
	echo ${HC}file:4:foo mmap bar_mmap
	echo ${HC}file:5:foo_mmap bar mmap baz
	} >expected &&
	git grep -n -w -e mmap $H >actual &&
	diff expected actual
	'

	test_expect_success "grep -w $L (w)" '
	: >expected &&
	! git grep -n -w -e "^w" >actual &&
	test_cmp expected actual
	'

	test_expect_success "grep -w $L (x)" '
	{
	echo ${HC}x:1:x x xx x
	} >expected &&
	git grep -n -w -e "x xx* x" $H >actual &&
	diff expected actual
	'

	test_expect_success "grep -w $L (y-1)" '
	{
	echo ${HC}y:1:y yy
	} >expected &&
	git grep -n -w -e "^y" $H >actual &&
	diff expected actual
	'

	test_expect_success "grep -w $L (y-2)" '
	: >expected &&
	if git grep -n -w -e "^y y" $H >actual
	then
	echo should not have matched
	cat actual
	false
	else
	diff expected actual
	fi
	'

	test_expect_success "grep -w $L (z)" '
	: >expected &&
	if git grep -n -w -e "^z" $H >actual
	then
	echo should not have matched
	cat actual
	false
	else
	diff expected actual
	fi
	'

	test_expect_success "grep $L (t-1)" '
	echo "${HC}t/t:1:test" >expected &&
	git grep -n -e test $H >actual &&
	diff expected actual
	'

	test_expect_success "grep $L (t-2)" '
	echo "${HC}t:1:test" >expected &&
	(
	cd t &&
	git grep -n -e test $H
	) >actual &&
	diff expected actual
	'

	test_expect_success "grep $L (t-3)" '
	echo "${HC}t/t:1:test" >expected &&
	(
	cd t &&
	git grep --full-name -n -e test $H
	) >actual &&
	diff expected actual
	'

	test_expect_success "grep -c $L (no /dev/null)" '
	! git grep -c test $H \| grep /dev/null
	'

	test_expect_success "grep --max-depth -1 $L" '
	{
	echo ${HC}t/a/v:1:vvv
	echo ${HC}t/v:1:vvv
	echo ${HC}v:1:vvv
	} >expected &&
	git grep --max-depth -1 -n -e vvv $H >actual &&
	test_cmp expected actual
	'

	test_expect_success "grep --max-depth 0 $L" '
	{
	echo ${HC}v:1:vvv
	} >expected &&
	git grep --max-depth 0 -n -e vvv $H >actual &&
	test_cmp expected actual
	'

	test_expect_success "grep --max-depth 0 -- '*' $L" '
	{
	echo ${HC}t/a/v:1:vvv
	echo ${HC}t/v:1:vvv
	echo ${HC}v:1:vvv
	} >expected &&
	git grep --max-depth 0 -n -e vvv $H -- "*" >actual &&
	test_cmp expected actual
	'

	test_expect_success "grep --max-depth 1 $L" '
	{
	echo ${HC}t/v:1:vvv
	echo ${HC}v:1:vvv
	} >expected &&
	git grep --max-depth 1 -n -e vvv $H >actual &&
	test_cmp expected actual
	'

	test_expect_success "grep --max-depth 0 -- t $L" '
	{
	echo ${HC}t/v:1:vvv
	} >expected &&
	git grep --max-depth 0 -n -e vvv $H -- t >actual &&
	test_cmp expected actual
	'

	done

	cat >expected <<EOF
	file:foo mmap bar_mmap
	EOF

	test_expect_success 'grep -e A --and -e B' '
	git grep -e "foo mmap" --and -e bar_mmap >actual &&
	test_cmp expected actual
	'

	cat >expected <<EOF
	file:foo_mmap bar mmap
	file:foo_mmap bar mmap baz
	EOF


	test_expect_success 'grep ( -e A --or -e B ) --and -e B' '
	git grep \( -e foo_ --or -e baz \) \
	--and -e " mmap" >actual &&
	test_cmp expected actual
	'

	cat >expected <<EOF
	file:foo mmap bar
	EOF

	test_expect_success 'grep -e A --and --not -e B' '
	git grep -e "foo mmap" --and --not -e bar_mmap >actual &&
	test_cmp expected actual
	'

	test_expect_success 'grep should ignore GREP_OPTIONS' '
	GREP_OPTIONS=-v git grep " mmap bar\$" >actual &&
	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
	--
	z:zzz
	EOF

	test_expect_success 'grep -q, silently report matches' '
	>empty &&
	git grep -q mmap >actual &&
	test_cmp empty actual &&
	test_must_fail git grep -q qfwfq >actual &&
	test_cmp empty actual
	'

	# Create 1024 file names that sort between "y" and "z" to make sure
	# the two files are handled by different calls to an external grep.
	# This depends on MAXARGS in builtin-grep.c being 1024 or less.
	c32="0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m n o p q r s t u v"
	test_expect_success 'grep -C1, hunk mark between files' '
	for a in $c32; do for b in $c32; do : >y-$a$b; done; done &&
	git add y-?? &&
	git grep -C1 "^[yz]" >actual &&
	test_cmp expected actual
	'

	test_expect_success 'grep -C1 hunk mark between files' '
	git grep -C1 "^[yz]" >actual &&
	test_cmp expected actual
	'

	test_expect_success 'log grep setup' '
	echo a >>file &&
	test_tick &&
	GIT_AUTHOR_NAME="With * Asterisk" \
	GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
	git commit -a -m "second" &&

	echo a >>file &&
	test_tick &&
	git commit -a -m "third"

	'

	test_expect_success 'log grep (1)' '
	git log --author=author --pretty=tformat:%s >actual &&
	( echo third ; echo initial ) >expect &&
	test_cmp expect actual
	'

	test_expect_success 'log grep (2)' '
	git log --author=" * " -F --pretty=tformat:%s >actual &&
	( echo second ) >expect &&
	test_cmp expect actual
	'

	test_expect_success 'log grep (3)' '
	git log --author="^A U" --pretty=tformat:%s >actual &&
	( echo third ; echo initial ) >expect &&
	test_cmp expect actual
	'

	test_expect_success 'log grep (4)' '
	git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
	( echo second ) >expect &&
	test_cmp expect actual
	'

	test_expect_success 'log grep (5)' '
	git log --author=Thor -F --pretty=tformat:%s >actual &&
	( echo third ; echo initial ) >expect &&
	test_cmp expect actual
	'

	test_expect_success 'log grep (6)' '
	git log --author=-0700 --pretty=tformat:%s >actual &&
	>expect &&
	test_cmp expect actual
	'

	test_expect_success 'log --grep --author implicitly uses all-match' '
	# grep matches initial and second but not third
	# author matches only initial and third
	git log --author="A U Thor" --grep=s --grep=l --format=%s >actual &&
	echo initial >expect &&
	test_cmp expect actual
	'

	test_expect_success 'grep with CE_VALID file' '
	git update-index --assume-unchanged t/t &&
	rm t/t &&
	test "$(git grep test)" = "t/t:test" &&
	git update-index --no-assume-unchanged t/t &&
	git checkout t/t
	'

	cat >expected <<EOF
	hello.c=#include <stdio.h>
	hello.c: return 0;
	EOF

	test_expect_success 'grep -p with userdiff' '
	git config diff.custom.funcname "^#" &&
	echo "hello.c diff=custom" >.gitattributes &&
	git grep -p return >actual &&
	test_cmp expected actual
	'

	cat >expected <<EOF
	hello.c=int main(int argc, const char **argv)
	hello.c: return 0;
	EOF

	test_expect_success 'grep -p' '
	rm -f .gitattributes &&
	git grep -p return >actual &&
	test_cmp expected actual
	'

	cat >expected <<EOF
	hello.c-#include <stdio.h>
	hello.c=int main(int argc, const char **argv)
	hello.c-{
	hello.c- printf("Hello world.\n");
	hello.c: return 0;
	EOF

	test_expect_success 'grep -p -B5' '
	git grep -p -B5 return >actual &&
	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)
	)
	'

	cat >expected <<EOF
	hello.c:int main(int argc, const char **argv)
	EOF

	test_expect_success 'grep -Fi' '
	git grep -Fi "CHAR *" >actual &&
	test_cmp expected actual
	'

	test_expect_success 'setup double-dash tests' '
	cat >double-dash <<EOF &&
	--
	->
	other
	EOF
	git add double-dash
	'

	cat >expected <<EOF
	double-dash:->
	EOF
	test_expect_success 'grep -- pattern' '
	git grep -- "->" >actual &&
	test_cmp expected actual
	'
	test_expect_success 'grep -- pattern -- pathspec' '
	git grep -- "->" -- double-dash >actual &&
	test_cmp expected actual
	'
	test_expect_success 'grep -e pattern -- path' '
	git grep -e "->" -- double-dash >actual &&
	test_cmp expected actual
	'

	cat >expected <<EOF
	double-dash:--
	EOF
	test_expect_success 'grep -e -- -- path' '
	git grep -e -- -- double-dash >actual &&
	test_cmp expected actual
	'

	test_done