git-commit-vandalism/t/t4123-apply-shrink.sh

#!/bin/sh

test_description='apply a patch that is larger than the preimage'


TEST_PASSES_SANITIZE_LEAK=true
. ./test-lib.sh

cat >F  <<\EOF
1
2
3
4
5
6
7
8
999999
A
B
C
D
E
F
G
H
I
J

EOF

test_expect_success setup '

	git add F &&
	mv F G &&
	sed -e "s/1/11/" -e "s/999999/9/" -e "s/H/HH/" <G >F &&
	git diff >patch &&
	sed -e "/^\$/d" <G >F &&
	git add F

'

test_expect_success 'apply should fail gracefully' '

	if git apply --index patch
	then
		echo Oops, should not have succeeded
		false
	else
		status=$? &&
		echo "Status was $status" &&
		if test -f .git/index.lock
		then
			echo Oops, should not have crashed
			false
		fi
	fi
'

test_done