$ sed -e 's|#PACKAGER="John Doe <john@doe.com>"|PACKAGER="Libre U. <user@email.domain>"|' -i /etc/makepkg.conf

$ sed -e 's|#GPGKEY=""|GPGKEY="user-id"|' -i /etc/makepkg.conf

$ updpkgsums

$ doas librechroot clean-repo

$ doas librechroot -A x86_64 -n x86_64 make

$ doas librechroot -A i686 -n i686 make

$ doas librechroot -C /etc/pacman.conf -M /usr/share/pacman/defaults/makepkg.conf.i686 -n i686 make

$ doas librechroot -n x86_64 enter

$ doas librechroot -n i686 enter

$ doas libremakepkg -n x86_64

$ doas libremakepkg -n i686

$ doas librechroot update

$ doas librechroot -n i686 update

$ doas libremakepkg -N

$ librestage <grupo>

$ git diff --no-prefix --no-index --no-renames --binary a b > parche.patch

<grupo> repo en donde poner el paquete ej. core, extra, community

$ librerelease

$ doas nano -w /etc/doas.conf

## doas configuration file.
##
## See the doas man page for the details on how to write a configuration file.
##
 
## Allow members of group wheel to execute any command
# permit :wheel
 
## Same thing without a password
permit nopass :wheel
 
## Allow tedu to run procmap as root without a password
#permit nopass tedu as root cmd /usr/sbin/procmap

Primero copiar el archivo `pacman.conf`

$ wget https://paste.debian.net/plain/1199102 -O /tmp/pacman.conf

$ doas librechroot -C /tmp/pacman.conf make

$ wget https://paste.debian.net/plain/1199103 -O /tmp/mirrorlist

$ doas cp -av /tmp/mirrorlist /var/lib/archbuild/default/<your-user>/etc/pacman.d/mirrorlist

fijar los mirrors:

$ doas chattr +i /var/lib/archbuild/default/<your-user>/etc/pacman.d/mirrorlist

$ doas sed -e 's|echo "Server = $host_mirror" >"$working_dir/etc/pacman.d/mirrorlist"|#echo "Server = $host_mirror" >"$working_dir/etc/pacman.d/mirrorlist"|g' -i /usr/lib/libretools/chroot/arch-nspawn

$ doas librechroot update