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path: root/t/t2022-checkout-paths.sh
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#!/bin/sh
 
test_description='checkout $tree -- $paths'
. ./test-lib.sh
 
test_expect_success setup '
	mkdir dir &&
	>dir/master &&
	echo common >dir/common &&
	git add dir/master dir/common &&
	test_tick && git commit -m "master has dir/master" &&
	git checkout -b next &&
	git mv dir/master dir/next0 &&
	echo next >dir/next1 &&
	git add dir &&
	test_tick && git commit -m "next has dir/next but not dir/master"
'
 
test_expect_success 'checking out paths out of a tree does not clobber unrelated paths' '
	git checkout next &&
	git reset --hard &&
	rm dir/next0 &&
	cat dir/common >expect.common &&
	echo modified >expect.next1 &&
	cat expect.next1 >dir/next1 &&
	echo untracked >expect.next2 &&
	cat expect.next2 >dir/next2 &&
 
	git checkout master dir &&
 
	test_cmp expect.common dir/common &&
	test_path_is_file dir/master &&
	git diff --exit-code master dir/master &&
 
	test_path_is_missing dir/next0 &&
	test_cmp expect.next1 dir/next1 &&
	test_path_is_file dir/next2 &&
	test_must_fail git ls-files --error-unmatch dir/next2 &&
	test_cmp expect.next2 dir/next2
'
 
test_expect_success 'do not touch unmerged entries matching $path but not in $tree' '
	git checkout next &&
	git reset --hard &&
 
	cat dir/common >expect.common &&
	EMPTY_SHA1=$(git hash-object -w --stdin </dev/null) &&
	git rm dir/next0 &&
	cat >expect.next0 <<-EOF &&
	100644 $EMPTY_SHA1 1	dir/next0
	100644 $EMPTY_SHA1 2	dir/next0
	EOF
	git update-index --index-info <expect.next0 &&
 
	git checkout master dir &&
 
	test_cmp expect.common dir/common &&
	test_path_is_file dir/master &&
	git diff --exit-code master dir/master &&
	git ls-files -s dir/next0 >actual.next0 &&
	test_cmp expect.next0 actual.next0
'
 
test_done