This should works, but it's pretty slow... guix package --list-available | grep -o --regex "^[a-zA-Z0-9-]*" | xargs -n1 guix package -s 1> guix-metadata.txt
time sh -c "guix package -s guix &> /dev/null" sh -c "guix package -s guix &> /dev/null" 2.42s user 0.07s system 113% cpu 2.203 total
