source common.sh

clearStore

rm -rf $TEST_HOME

tarroot=$TEST_ROOT/tarball
rm -rf $tarroot
mkdir -p $tarroot
cp dependencies.nix $tarroot/default.nix
cp config.nix dependencies.builder*.sh $tarroot/

test_tarball() {
    local ext="$1"
    local compressor="$2"

    tarball=$TEST_ROOT/tarball.tar$ext
    (cd $TEST_ROOT && tar c tarball) | $compressor > $tarball

    nix-env -f file://$tarball -qa --out-path | grep -q dependencies

    nix-build -o $TEST_ROOT/result file://$tarball

    nix-build -o $TEST_ROOT/result '<foo>' -I foo=file://$tarball

    nix-build -o $TEST_ROOT/result -E "import (fetchTarball file://$tarball)"

    nix-instantiate --eval -E '1 + 2' -I fnord=file://no-such-tarball.tar$ext
    nix-instantiate --eval -E 'with <fnord/xyzzy>; 1 + 2' -I fnord=file://no-such-tarball$ext
    (! nix-instantiate --eval -E '<fnord/xyzzy> 1' -I fnord=file://no-such-tarball$ext)

    nix-instantiate --eval -E '<fnord/config.nix>' -I fnord=file://no-such-tarball$ext -I fnord=.
}

test_tarball '' cat
test_tarball .xz xz
test_tarball .gz gzip