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path: root/t/t6026-merge-attr.sh
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#!/bin/sh
#
# Copyright (c) 2007 Junio C Hamano
#
 
test_description='per path merge controlled by merge attribute'
 
. ./test-lib.sh
 
test_expect_success setup '
 
	for f in text binary union
	do
		echo Initial >$f && git add $f || break
	done &&
	test_tick &&
	git commit -m Initial &&
 
	git branch side &&
	for f in text binary union
	do
		echo Master >>$f && git add $f || break
	done &&
	test_tick &&
	git commit -m Master &&
 
	git checkout side &&
	for f in text binary union
	do
		echo Side >>$f && git add $f || break
	done &&
	test_tick &&
	git commit -m Side &&
 
	git tag anchor
'
 
test_expect_success merge '
 
	{
		echo "binary -merge"
		echo "union merge=union"
	} >.gitattributes &&
 
	if git merge master
	then
		echo Gaah, should have conflicted
		false
	else
		echo Ok, conflicted.
	fi
'
 
test_expect_success 'check merge result in index' '
 
	git ls-files -u | grep binary &&
	git ls-files -u | grep text &&
	! (git ls-files -u | grep union)
 
'
 
test_expect_success 'check merge result in working tree' '
 
	git cat-file -p HEAD:binary >binary-orig &&
	grep "<<<<<<<" text &&
	cmp binary-orig binary &&
	! grep "<<<<<<<" union &&
	grep Master union &&
	grep Side union
 
'
 
test_expect_success 'retry the merge with longer context' '
	echo text conflict-marker-size=32 >>.gitattributes &&
	git checkout -m text &&
	sed -ne "/^\([<=>]\)\1\1\1*/{
		s/ .*$//
		p
	}" >actual text &&
	grep ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>" actual &&
	grep "================================" actual &&
	grep "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<" actual
'
 
cat >./custom-merge <<\EOF
#!/bin/sh
 
orig="$1" ours="$2" theirs="$3" exit="$4"
(
	echo "orig is $orig"
	echo "ours is $ours"
	echo "theirs is $theirs"
	echo "=== orig ==="
	cat "$orig"
	echo "=== ours ==="
	cat "$ours"
	echo "=== theirs ==="
	cat "$theirs"
) >"$ours+"
cat "$ours+" >"$ours"
rm -f "$ours+"
exit "$exit"
EOF
chmod +x ./custom-merge
 
test_expect_success 'custom merge backend' '
 
	echo "* merge=union" >.gitattributes &&
	echo "text merge=custom" >>.gitattributes &&
 
	git reset --hard anchor &&
	git config --replace-all \
	merge.custom.driver "./custom-merge %O %A %B 0" &&
	git config --replace-all \
	merge.custom.name "custom merge driver for testing" &&
 
	git merge master &&
 
	cmp binary union &&
	sed -e 1,3d text >check-1 &&
	o=$(git unpack-file master^:text) &&
	a=$(git unpack-file side^:text) &&
	b=$(git unpack-file master:text) &&
	sh -c "./custom-merge $o $a $b 0" &&
	sed -e 1,3d $a >check-2 &&
	cmp check-1 check-2 &&
	rm -f $o $a $b
'
 
test_expect_success 'custom merge backend' '
 
	git reset --hard anchor &&
	git config --replace-all \
	merge.custom.driver "./custom-merge %O %A %B 1" &&
	git config --replace-all \
	merge.custom.name "custom merge driver for testing" &&
 
	if git merge master
	then
		echo "Eh? should have conflicted"
		false
	else
		echo "Ok, conflicted"
	fi &&
 
	cmp binary union &&
	sed -e 1,3d text >check-1 &&
	o=$(git unpack-file master^:text) &&
	a=$(git unpack-file anchor:text) &&
	b=$(git unpack-file master:text) &&
	sh -c "./custom-merge $o $a $b 0" &&
	sed -e 1,3d $a >check-2 &&
	cmp check-1 check-2 &&
	rm -f $o $a $b
'
 
test_expect_success 'up-to-date merge without common ancestor' '
	test_create_repo repo1 &&
	test_create_repo repo2 &&
	test_tick &&
	(
		cd repo1 &&
		>a &&
		git add a &&
		git commit -m initial
	) &&
	test_tick &&
	(
		cd repo2 &&
		git commit --allow-empty -m initial
	) &&
	test_tick &&
	(
		cd repo1 &&
		git pull ../repo2 master
	)
'
 
test_done