Script to update 2.9.x ISO to use Linuxcnc Version 2.10 (master branch)

cnc@raspberrypi:~$ #! /bin/bash
cnc@raspberrypi:~$ mkdir ~/apt
mkdir: cannot create directory ‘/home/cnc/apt’: File exists
cnc@raspberrypi:~$ sudo cp -r /etc/apt/*.* ~/apt
cnc@raspberrypi:~$ sudo wget http://buildbot2.highlab.com/buildbot-archive-key.gpg -P /etc/apt/trusted.gpg.d
--2025-04-14 09:58:49--  http://buildbot2.highlab.com/buildbot-archive-key.gpg
Resolving buildbot2.highlab.com (buildbot2.highlab.com)... 184.96.146.47
Connecting to buildbot2.highlab.com (buildbot2.highlab.com)|184.96.146.47|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1190 (1.2K)
Saving to: ‘/etc/apt/trusted.gpg.d/buildbot-archive-key.gpg.3’

buildbot-archive-ke 100%[===================>]   1.16K  --.-KB/s    in 0s      

2025-04-14 09:58:49 (146 MB/s) - ‘/etc/apt/trusted.gpg.d/buildbot-archive-key.gpg.3’ saved [1190/1190]

cnc@raspberrypi:~$ sudo rm -f /etc/apt/preferences.d/99linuxcnc-uspace.pref
cnc@raspberrypi:~$ sudo rm -f /etc/apt/sources.list.d/linuxcnc-uspace.list
cnc@raspberrypi:~$ sudo tee /etc/apt/sources.list.d/linuxcnc-uspace.list > /dev/null <<EOT
deb [arch=amd64, signed-by=/etc/apt/trusted.gpg.d/buildbot-archive-key.gpg] http://buildbot2.highlab.com/debian/ bookworm master-uspace 2.9-uspace
EOT
cnc@raspberrypi:~$ sudo apt update
Hit:1 http://deb.debian.org/debian bookworm InRelease
Hit:2 http://deb.debian.org/debian bookworm-updates InRelease                  
Hit:3 http://deb.debian.org/debian bookworm-proposed-updates InRelease         
Hit:4 http://deb.debian.org/debian-security bookworm-security InRelease        
Hit:5 http://deb.debian.org/debian bookworm-backports InRelease                
Hit:6 http://download.opensuse.org/repositories/science:/EtherLab/Debian_12 ./ InRelease
Hit:7 http://buildbot2.highlab.com/debian bookworm InRelease                   
Hit:8 https://www.linuxcnc.org bookworm InRelease                              
Get:9 https://gnipsel.com/mesact/apt-repo stable InRelease [2608 B]
Err:9 https://gnipsel.com/mesact/apt-repo stable InRelease
  The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6F8DFB65A82CD322
Reading package lists... Done
W: Target Packages (master-uspace/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/linuxcnc-uspace.list:1
W: Target Translations (master-uspace/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/linuxcnc-uspace.list:1
W: Target Packages (2.9-uspace/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/linuxcnc-uspace.list:1
W: Target Translations (2.9-uspace/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/linuxcnc-uspace.list:1
W: Skipping acquire of configured file 'master-uspace/binary-arm64/Packages' as repository 'http://buildbot2.highlab.com/debian bookworm InRelease' does not seem to provide it (sources.list entry misspelt?)
W: Skipping acquire of configured file '2.9-uspace/binary-arm64/Packages' as repository 'http://buildbot2.highlab.com/debian bookworm InRelease' does not seem to provide it (sources.list entry misspelt?)
W: GPG error: https://gnipsel.com/mesact/apt-repo stable InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 6F8DFB65A82CD322
E: The repository 'https://gnipsel.com/mesact/apt-repo stable InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: Target Packages (master-uspace/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/linuxcnc-uspace.list:1
W: Target Translations (master-uspace/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/linuxcnc-uspace.list:1
W: Target Packages (2.9-uspace/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/linuxcnc-uspace.list:1
W: Target Translations (2.9-uspace/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list.d/linuxcnc-uspace.list:1
cnc@raspberrypi:~$ sudo apt upgrade
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.