add XBPS_MIRROR for good measure to void iso instr

use `$local` variable for `cd`

doc/guides/create-void-iso.md

@@ -58,14 +58,15 @@ XBPS_REPOSITORY="--repository=$remote --repository=$remote/nonfree" ./mklive.sh
 
 # run mklive.sh with additional pkgs plus broadcom-wl-dkms, iwd and patched wpa_supplicant
 local="/tmp/include/opt/voidpkgs"
-cd /tmp/include/opt/voidpkgs
+cd "$local"
+echo XBPS_MIRROR="$remote" >> etc/conf
 ./xbps-src binary-bootstrap
 sed -i 's/^\(CONFIG_MESH.*\)/#\1/' srcpkgs/wpa_supplicant/files/config
 ./xbps-src pkg wpa_supplicant
 XBPS_REPOSITORY="--repository=$remote --repository=$remote/nonfree" ./mklive.sh -p "acpi aerc age aircrack-ng aria2 bandwhich base-devel bash-completion bc bettercap bootiso borg broadcom-wl-dkms btrfs-progs bzip2 catgirl cdrtools chrony coWPAtty crda create_ap cryptsetup curl darkhttpd dhclient dhcpcd dialog diffr diskonaut dnscrypt-proxy dnsmasq dosfstools dvd+rw-tools e2fsprogs edbrowse efibootmgr elixir enchive ethtool expect fake-hwclock faketime fd firejail fzf git gnupg gnupg1 gptfdisk grub gzip hashcat hashcat-utils haveged hdparm hostapd icdiff inetutils intel-ucode iproute2 iputils iw iwd jless john jq just ldns libgfshare libgfshare-tools libimobiledevice lua51 lua53 lua54 luarocks-lua51 luarocks-lua53 luarocks-lua54 lvm2 lynx man-pages-posix mobile-broadband-provider-info moreutils mosh ncurses-term neovim net-tools nftables nilfs-utils nodejs nwipe obfs4proxy openresolv openssh orjail outils passphrase2pgp pinentry pinentry-tty procs proxychains-ng psmisc pv pwgen pwget python3 qrencode quixand rakudo rclone ripgrep rlwrap rsync rtorrent scapy screen sftpgo so socat socklog-void sqlite sshuttle sss-cli stegsnow tealdeer tmux toggle-ht tor torsocks tree unbound units unzip vim void-release-keys wget whois wifish wireguard-tools wireless_tools wpa_supplicant xfsprogs xtools zip zramen zstd" -I /tmp/include -r "$local/hostdir/binpkgs"
 
 # run mklive.sh with additional pkgs plus restricted package
-cd /tmp/include/opt/voidpkgs
+cd "$local"
 ./xbps-src binary-bootstrap
 echo XBPS_ALLOW_RESTRICTED="yes" >> etc/conf
 ./xbps-src pkg b43-firmware