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path: root/t/t6032-merge-large-rename.sh
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#!/bin/sh

test_description='merging with large rename matrix'
. ./test-lib.sh

count() {
	i=1
	while test $i -le $1; do
		echo $i
		i=$(($i + 1))
	done
}

test_expect_success 'setup (initial)' '
	touch file &&
	git add . &&
	git commit -m initial &&
	git tag initial
'

make_text() {
	echo $1: $2
	for i in `count 20`; do
		echo $1: $i
	done
	echo $1: $3
}

test_rename() {
	test_expect_success "rename ($1, $2)" '
	n='$1'
	expect='$2'
	git checkout -f master &&
	git branch -D test$n || true &&
	git reset --hard initial &&
	for i in $(count $n); do
		make_text $i initial initial >$i
	done &&
	git add . &&
	git commit -m add=$n &&
	for i in $(count $n); do
		make_text $i changed initial >$i
	done &&
	git commit -a -m change=$n &&
	git checkout -b test$n HEAD^ &&
	for i in $(count $n); do
		git rm $i
		make_text $i initial changed >$i.moved
	done &&
	git add . &&
	git commit -m change+rename=$n &&
	case "$expect" in
		ok) git merge master ;;
		 *) test_must_fail git merge master ;;
	esac
	'
}

test_rename 5 ok

test_expect_success 'set diff.renamelimit to 4' '
	git config diff.renamelimit 4
'
test_rename 4 ok
test_rename 5 fail

test_expect_success 'set merge.renamelimit to 5' '
	git config merge.renamelimit 5
'
test_rename 5 ok
test_rename 6 fail

test_done