#!/bin/sh

REPO="$(mktemp -d)"

trap "rm -rf \"$REPO\"" EXIT

cd "$REPO"
git init -q

cat > .gitignore <<EOF
foo.txt
parent/child1
parent/child2
parent/child4
parent/nested/child5
nested/child6
nested/child7
padded_parent/child8
!parent/child1
!parent/child2/bar.txt
!parent/child3
!child4
!nested/child5
!nested/child6
!child7/
!_parent/child8
top
!top/mid/btm
zoo/*
!zoo/bar
!zoo/foo/bar
EOF

for path in "padded_parent/child8/bar.txt" "parent/child2/bar.txt" "parent/child3/foo.txt" "parent/nested/child5/bar.txt" "top/mid/btm/tracked" "top/mid/btm/untracked"
do
    if ! git check-ignore -q "$path"
    then
        echo "$path should have been ignored"
        exit 1
    fi
done

for path in "parent/child1/bar.txt" "parent/child4/bar.txt" "parent/nested/child6/bar.txt" "parent/nested/child7/bar.txt" "foo/bar"
do
    if git check-ignore -q "$path"
    then
        echo "$path should not have been ignored"
        exit 1
    fi
done

bar.txt
!parent/child/bar.txt