#!/bin/sh

set -ev

chmod -R +xr /tmp/`whoami`-$$ || echo no such dir
rm -rf /tmp/`whoami`-$$
mkdir -p /tmp/`whoami`-$$/$0.dir
cd /tmp/`whoami`-$$/$0.dir

cat > my.fac <<EOF
| cat foo bar > out || true

| mkdir -p directory && echo hello > directory/hello
EOF

if ${FAC:-../../fac} &> fac.err; then
    cat fac.err
    echo should have failed here not git
    exit 1
fi

cat fac.err
grep 'Error identifying git top' fac.err

git init

if ${FAC:-../../fac} &> fac.err; then
    cat fac.err
    echo should have failed here no .fac
    exit 1
fi

cat fac.err
grep 'Please .*add a .fac file' fac.err

git add my.fac

${FAC:-../../fac}

mkdir subdir
cd subdir

pwd
chmod a-x ..

if cd ..; then
    echo we have some funky broken filesystem here
else

    if ${FAC:-../../fac} &> fac.err; then
        cat fac.err
        echo should have failed error identifying
        exit 1
    fi

    cat fac.err
    grep 'git' fac.err

    chmod +x ..

    cd ..
fi

${FAC:-../../fac} -c

if ls directory; then
    echo directory should have been deleted
    exit 1
fi

chmod a-r ..

${FAC:-../../fac} --dry

${FAC:-../../fac}

chmod a+r ..
ls -l
ls directory

${FAC:-../../fac} -c

if ls directory; then
    echo directory should have been deleted
    exit 1
fi
echo all good

exit 0