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#!/bin/sh

test_description='Various filesystem issues'

. ./test-lib.sh

auml=$(printf '\303\244')
aumlcdiar=$(printf '\141\314\210')

case_insensitive=
unibad=
no_symlinks=
test_expect_success 'see what we expect' '

test_case=test_expect_success &&
test_unicode=test_expect_success &&
mkdir junk &&
echo good >junk/CamelCase &&
echo bad >junk/camelcase &&
if test "$(cat junk/CamelCase)" != good
then
test_case=test_expect_failure &&
case_insensitive=t
fi &&
rm -fr junk &&
mkdir junk &&
>junk/"$auml" &&
case "$(cd junk && echo *)" in
"$aumlcdiar")
test_unicode=test_expect_failure &&
unibad=t
;;
*) ;;
esac &&
rm -fr junk &&
{
ln -s x y 2> /dev/null &&
test -h y 2> /dev/null ||
no_symlinks=1 &&
rm -f y
}
'

test "$case_insensitive" &&
say "will test on a case insensitive filesystem"
test "$unibad" &&
say "will test on a unicode corrupting filesystem"
test "$no_symlinks" &&
say "will test on a filesystem lacking symbolic links"

if test "$case_insensitive"
then
test_expect_success "detection of case insensitive filesystem during repo init" '

test $(git config --bool core.ignorecase) = true
'
else
test_expect_success "detection of case insensitive filesystem during repo init" '

test_must_fail git config --bool core.ignorecase >/dev/null ||
test $(git config --bool core.ignorecase) = false
'
fi

if test "$no_symlinks"
then
test_expect_success "detection of filesystem w/o symlink support during repo init" '

v=$(git config --bool core.symlinks) &&
test "$v" = false
'
else
test_expect_success "detection of filesystem w/o symlink support during repo init" '

test_must_fail git config --bool core.symlinks ||
test "$(git config --bool core.symlinks)" = true
'
fi

test_expect_success "setup case tests" '

git config core.ignorecase true &&
touch camelcase &&
git add camelcase &&
git commit -m "initial" &&
git tag initial &&
git checkout -b topic &&
git mv camelcase tmp &&
git mv tmp CamelCase &&
git commit -m "rename" &&
git checkout -f master

'

$test_case 'rename (case change)' '

git mv camelcase CamelCase &&
git commit -m "rename"

'

$test_case 'merge (case change)' '

rm -f CamelCase &&
rm -f camelcase &&
git reset --hard initial &&
git merge topic

'



test_expect_failure 'add (with different case)' '

git reset --hard initial &&
rm camelcase &&
echo 1 >CamelCase &&
git add CamelCase &&
camel=$(git ls-files | grep -i camelcase) &&
test $(echo "$camel" | wc -l) = 1 &&
test "z$(git cat-file blob :$camel)" = z1

'

test_expect_success "setup unicode normalization tests" '

test_create_repo unicode &&
cd unicode &&
touch "$aumlcdiar" &&
git add "$aumlcdiar" &&
git commit -m initial &&
git tag initial &&
git checkout -b topic &&
git mv $aumlcdiar tmp &&
git mv tmp "$auml" &&
git commit -m rename &&
git checkout -f master

'

$test_unicode 'rename (silent unicode normalization)' '

git mv "$aumlcdiar" "$auml" &&
git commit -m rename

'

$test_unicode 'merge (silent unicode normalization)' '

git reset --hard initial &&
git merge topic

'

test_done
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