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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 $f || return 1
done &&
test_tick &&
git commit -m Initial &&
git branch side &&
for f in text binary union
do
echo Master >>$f && git add $f || return 1
done &&
test_tick &&
git commit -m Master &&
git checkout side &&
for f in text binary union
do
echo Side >>$f && git add $f || return 1
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" path=$5
(
echo "orig is $orig"
echo "ours is $ours"
echo "theirs is $theirs"
echo "path is $path"
echo "=== orig ==="
cat "$orig"
echo "=== ours ==="
cat "$ours"
echo "=== theirs ==="
cat "$theirs"
) >"$ours+"
cat "$ours+" >"$ours"
rm -f "$ours+"
exit "$exit"
EOF
chmod +x ./custom-merge
test_expect_success 'custom merge backend' '
echo "* merge=union" >.gitattributes &&
echo "text merge=custom" >>.gitattributes &&
git reset --hard anchor &&
git config --replace-all \
merge.custom.driver "./custom-merge %O %A %B 0 %P" &&
git config --replace-all \
merge.custom.name "custom merge driver for testing" &&
git merge master &&
cmp binary union &&
sed -e 1,3d text >check-1 &&
o=$(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 'text'" &&
sed -e 1,3d $a >check-2 &&
cmp check-1 check-2 &&
rm -f $o $a $b
'
test_expect_success 'custom merge backend' '
git reset --hard anchor &&
git config --replace-all \
merge.custom.driver "./custom-merge %O %A %B 1 %P" &&
git config --replace-all \
merge.custom.name "custom merge driver for testing" &&
if git merge master
then
echo "Eh? should have conflicted"
false
else
echo "Ok, conflicted"
fi &&
cmp binary union &&
sed -e 1,3d text >check-1 &&
o=$(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 'text'" &&
sed -e 1,3d $a >check-2 &&
cmp check-1 check-2 &&
sed -e 1,3d -e 4q $a >check-3 &&
echo "path is text" >expect &&
cmp expect check-3 &&
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 fetch ../repo2 master &&
git merge --allow-unrelated-histories FETCH_HEAD
)
'
test_expect_success 'custom merge does not lock index' '
git reset --hard anchor &&
write_script sleep-an-hour.sh <<-\EOF &&
sleep 3600 &
echo $! >sleep.pid
EOF
test_write_lines >.gitattributes \
"* merge=ours" "text merge=sleep-an-hour" &&
test_config merge.ours.driver true &&
test_config merge.sleep-an-hour.driver ./sleep-an-hour.sh &&
# We are testing that the custom merge driver does not block
# index.lock on Windows due to an inherited file handle.
# To ensure that the backgrounded process ran sufficiently
# long (and has been started in the first place), we do not
# ignore the result of the kill command.
# By packaging the command in test_when_finished, we get both
# the correctness check and the clean-up.
test_when_finished "kill \$(cat sleep.pid)" &&
git merge master
'
test_done