printFlags=

  --print-flags
    Fetch the inputs, then print the argument to nix-build on stdout
    and exit.

    elif [ "$arg" = --print-flags ]; then
        printFlags=1

args+=("$nixExprInputDir/[% build.nixexprpath %]" -A '[% build.job.name %]')
if [ -n "$printFlags" ]; then
    first=1
    for i in "${args[@]}"; do
        if [ -z "$first" ]; then printf " "; fi
        first=
        printf "%q" "$i"
    done
    exit 0
fi

exec nix-build "$nixExprInputDir/[% build.nixexprpath %]" -A '[% build.job.name %]' "${args[@]}" "${extraArgs[@]}"

exec nix-build "${args[@]}" "${extraArgs[@]}"