add initial aims-release-upgrade from buster

2020.1/aims-desktop/aims-desktop-2020/bin/aims-release-upgrade

+#!/bin/sh
+
+# Keep this for next time.
+if [ "$1" != "-f" ];then
+    echo "AIMS Desktop 2022.1 has not yet been released,"
+    echo "add '-f' to continue upgrading anyway."
+    exit 1
+fi
+
+# Set interface to noninteractive
+export DEBIAN_FRONTEND="noninteractive"
+#export DPKG_OPTIONS='-o Dpkg::Options::="--force-confold"'
+
+# Resume if we have a partial install...
+echo " * Checking whether your Debian 10 Buster system is in a consistent state."
+echo " * Configuring all packages..."
+dpkg --configure -a
+echo " * Checking all packages completed installing..."
+apt-get -f install || 'echo "Unable to correct; Please fix your system first." && exit 1'
+
+# Update buster
+echo "Checking whether your Debian 10 Bullseye system is up to date."
+echo " * Updating package list..."
+apt-get -qq update
+echo " * Downloading upgrade package set..."
+apt-get $DPKG_OPTIONS --yes --quiet --download-only dist-upgrade
+echo " * Performing initial upgrade (safe upgrade)..."
+apt-get $DPKG_OPTIONS --yes --quiet upgrade
+echo " * Completeing full upgrade (dist-upgrade)..."
+apt-get $DPKG_OPTIONS --yes --quiet full-upgrade
+echo " * Remove packages that are no longer needed... "
+apt-get -y autoremove
+
+# Update to bullseye
+echo " * Commencing upgrade from Debian 10 Buster to Debian 11 Bullseye."
+echo " * Updating sources..."
+for i in /etc/apt/sources.list.d/*.list ; do
+	egrep 'trusty|xenial|bionic|artful|cosmic|disco' $i && mv -f $i $i.disabled;
+done
+sed --in-place "s/buster/bullseye/g" /etc/apt/sources.list /etc/apt/sources.list.d/* 2> /dev/null
+
+echo " * Updating package list..."
+apt --quiet update
+echo " * Downloading upgrade package set..."
+apt-get $DPKG_OPTIONS --yes --quiet --download-only dist-upgrade
+echo " * Performing initial upgrade (safe upgrade)..."
+apt-get $DPKG_OPTIONS --yes --quiet upgrade
+echo " * Completeing full upgrade (dist-upgrade)..."
+apt-get $DPKG_OPTIONS --yes --quiet full-upgrade
+echo " * Re-install AIMS Desktop metapackage..."
+# re-installing ensures that all recommends, including new ones are installed
+apt-get $DPKG_OPTIONS --yes --quiet remove aims-desktop
+apt-get $DPKG_OPTIONS --yes --quiet install aims-desktop
+echo " * Remove packages that are no longer needed... "
+apt-get $DPKG_OPTIONS --yes --quiet autoremove
+
+# R packages must be re-compiled against current version of R
+# including the IRkernel we installed for stretch
+rm -rf /usr/local/lib/R/site-library/*
+rm -rf /usr/local/share/jupyter/kernels/ir
+apt-get -y install r-cran-irkernel
+aims-install-rstudio
+echo " * R has been upgraded. Please re-install your locally installed R packages."
+echo " * Note r-cran-irkernel is now in the AIMS PPA and in AIMS Desktop by default."
+
+# reboot
+echo
+echo " * Upgrade to Debian 11 bullseye seems to have completed successfully."
+echo " * Please reboot your system now!"
+echo
+