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source common.sh
set -m # enable job control, needed for kill
profiles="$NIX_STATE_DIR"/profiles
rm -rf $profiles
nix-env -p $profiles/test -f ./gc-runtime.nix -i gc-runtime-{program,environ,open}
programPath=$(nix-env -p $profiles/test -q --no-name --out-path gc-runtime-program)
environPath=$(nix-env -p $profiles/test -q --no-name --out-path gc-runtime-environ)
openPath=$(nix-env -p $profiles/test -q --no-name --out-path gc-runtime-open)
echo $programPath $environPath $openPath
echo "backgrounding program..."
export environPath
$profiles/test/program $openPath/open &
sleep 2 # hack - wait for the program to get started
child=$!
echo PID=$child
nix-env -p $profiles/test -e gc-runtime-{program,environ,open}
nix-env -p $profiles/test --delete-generations old
nix-store --gc
kill -- -$child
if ! test -e $programPath; then
echo "running program was garbage collected!"
exit 1
fi
if ! test -e $environPath; then
echo "file in environment variable was garbage collected!"
exit 1
fi
if ! test -e $openPath; then
echo "opened file was garbage collected!"
exit 1
fi
exit 0
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