Trust Developers and TU for arch repos

#!/bin/sh

####
## Little script to trust developer and TU keys from arch team. Needed for pacman 4
## Usefull if you plan to use that feature.
##
## Aitor ATuin
##
## Use at your risk :)
###

echo "Trusting developers keys"
for key in `curl https://www.archlinux.org/developers/ 2>/dev/null| awk -F'<' '$0 ~ />0x/ {sub(/^.+>0x/,"",$3);print($3)}'`; do
    echo Importing $key
    /usr/bin/pacman-key --recv-keys $key
    /usr/bin/pacman-key --lsign-key $key
    printf 'trust\n3\nquit\n' | gpg --homedir /etc/pacman.d/gnupg --no-permission-warning --command-fd 0 --edit-key $key
done

echo "Trusting TU keys"
for key in `curl https://www.archlinux.org/trustedusers/ 2>/dev/null| awk -F'<' '$0 ~ />0x/ {sub(/^.+>0x/,"",$3);print($3)}'`; do
    echo Importing $key
    /usr/bin/pacman-key --recv-keys $key
    /usr/bin/pacman-key --lsign-key $key
    printf 'trust\n3\nquit\n' | gpg --homedir /etc/pacman.d/gnupg/ --no-permission-warning --command-fd 0 --edit-key $key
done