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path: root/t/t4104-apply-boundary.sh
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#!/bin/sh
#
# Copyright (c) 2005 Junio C Hamano
#
 
test_description='git apply boundary tests
 
'
. ./test-lib.sh
 
L="c d e f g h i j k l m n o p q r s t u v w x"
 
test_expect_success setup '
	for i in b '"$L"' y
	do
		echo $i
	done >victim &&
	cat victim >original &&
	git update-index --add victim &&
 
	: add to the head
	for i in a b '"$L"' y
	do
		echo $i
	done >victim &&
	cat victim >add-a-expect &&
	git diff victim >add-a-patch.with &&
	git diff --unified=0 >add-a-patch.without &&
 
	: insert at line two
	for i in b a '"$L"' y
	do
		echo $i
	done >victim &&
	cat victim >insert-a-expect &&
	git diff victim >insert-a-patch.with &&
	git diff --unified=0 >insert-a-patch.without &&
 
	: modify at the head
	for i in a '"$L"' y
	do
		echo $i
	done >victim &&
	cat victim >mod-a-expect &&
	git diff victim >mod-a-patch.with &&
	git diff --unified=0 >mod-a-patch.without &&
 
	: remove from the head
	for i in '"$L"' y
	do
		echo $i
	done >victim &&
	cat victim >del-a-expect &&
	git diff victim >del-a-patch.with
	git diff --unified=0 >del-a-patch.without &&
 
	: add to the tail
	for i in b '"$L"' y z
	do
		echo $i
	done >victim &&
	cat victim >add-z-expect &&
	git diff victim >add-z-patch.with &&
	git diff --unified=0 >add-z-patch.without &&
 
	: modify at the tail
	for i in b '"$L"' z
	do
		echo $i
	done >victim &&
	cat victim >mod-z-expect &&
	git diff victim >mod-z-patch.with &&
	git diff --unified=0 >mod-z-patch.without &&
 
	: remove from the tail
	for i in b '"$L"'
	do
		echo $i
	done >victim &&
	cat victim >del-z-expect &&
	git diff victim >del-z-patch.with &&
	git diff --unified=0 >del-z-patch.without
 
	: done
'
 
for with in with without
do
	case "$with" in
	with) u= ;;
	without) u='--unidiff-zero ' ;;
	esac
	for kind in add-a add-z insert-a mod-a mod-z del-a del-z
	do
		test_expect_success "apply $kind-patch $with context" '
			cat original >victim &&
			git update-index victim &&
			git apply --index '"$u$kind-patch.$with"' || {
				cat '"$kind-patch.$with"'
				(exit 1)
			} &&
			test_cmp '"$kind"'-expect victim
		'
	done
done
 
for kind in add-a add-z insert-a mod-a mod-z del-a del-z
do
	rm -f $kind-ng.without
	sed	-e "s/^diff --git /diff /" \
		-e '/^index /d' \
		<$kind-patch.without >$kind-ng.without
	test_expect_success "apply non-git $kind-patch without context" '
		cat original >victim &&
		git update-index victim &&
		git apply --unidiff-zero --index '"$kind-ng.without"' || {
			cat '"$kind-ng.without"'
			(exit 1)
		} &&
		test_cmp '"$kind"'-expect victim
	'
done
 
test_expect_success 'two lines' '
 
	>file &&
	git add file &&
	echo aaa >file &&
	git diff >patch &&
	git add file &&
	echo bbb >file &&
	git add file &&
	test_must_fail git apply --check patch
 
'
 
test_expect_success 'apply patch with 3 context lines matching at end' '
	{ echo a; echo b; echo c; echo d; } >file &&
	git add file &&
	echo e >>file &&
	git diff >patch &&
	>file &&
	test_must_fail git apply patch
'
 
test_done