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git/t/t7002-grep.sh
Nguyễn Thái Ngọc Duy 57d43466fb grep: grep cache entries if they are "assume unchanged"
"Assume unchanged" bit means "please pretend that I have never touched
this file", so  if user removes the file, we should not care.

This patch teaches "git grep" to use cache version in such
situations. External grep case has not been fixed yet. But given that
on the platform that CE_VALID bit may be used like Windows, external
grep is not available anyway, I would wait for people to raise their
hands before touching it.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2008-12-27 14:30:46 -08:00

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#!/bin/sh
#
# Copyright (c) 2006 Junio C Hamano
#
test_description='git grep various.
'
. ./test-lib.sh
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 x x xx x >x &&
echo y yy >y &&
echo zzz > z &&
mkdir t &&
echo test >t/t &&
git add file x y z t/t &&
test_tick &&
git commit -m initial
'
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 (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 $H | grep /dev/null
'
done
test_expect_success 'log grep setup' '
echo a >>file &&
test_tick &&
GIT_AUTHOR_NAME="With * Asterisk" \
GIT_AUTHOR_EMAIL="xyzzy@frotz.com" \
git commit -a -m "second" &&
echo a >>file &&
test_tick &&
git commit -a -m "third"
'
test_expect_success 'log grep (1)' '
git log --author=author --pretty=tformat:%s >actual &&
( echo third ; echo initial ) >expect &&
test_cmp expect actual
'
test_expect_success 'log grep (2)' '
git log --author=" * " -F --pretty=tformat:%s >actual &&
( echo second ) >expect &&
test_cmp expect actual
'
test_expect_success 'log grep (3)' '
git log --author="^A U" --pretty=tformat:%s >actual &&
( echo third ; echo initial ) >expect &&
test_cmp expect actual
'
test_expect_success 'log grep (4)' '
git log --author="frotz\.com>$" --pretty=tformat:%s >actual &&
( echo second ) >expect &&
test_cmp expect actual
'
test_expect_success 'log grep (5)' '
git log --author=Thor -F --grep=Thu --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 'grep with CE_VALID file' '
git update-index --assume-unchanged t/t &&
rm t/t &&
test "$(git grep --no-ext-grep t)" = "t/t:test" &&
git update-index --no-assume-unchanged t/t &&
git checkout t/t
'
test_done