kunsis-dotfiles/.bin/backup-and-update-system

#!/bin/bash

set -xeuo pipefail

backup_ssh="kunsi-t470@backup-kunsi.htz-hel.kunbox.net"

# Push some git repos
pass git push
git --git-dir=$HOME/.cfg/ --work-tree=$HOME push

# Fetch a fresh copy of all locally cloned git repos
for dir in $(find /home/kunsi/git -mindepth 1 -maxdepth 1 -type d)
do
    git -C "$dir" fetch || true
done

# Do a backup.
ssh $backup_ssh "sudo /usr/local/bin/rotate-single-backup-client kunsi-t470"
(
    rsync -zaAP --numeric-ids --delete --relative \
        --rsync-path="/usr/bin/rsync --fake-super" \
        -e "ssh" --delete-excluded \
        --exclude "/home/kunsi/.cache/" \
        --exclude "/home/kunsi/.config/Ferdi/" \
        --exclude "/home/kunsi/.config/Rambox/" \
        --exclude "/home/kunsi/.local/lib/python*/site-packages/" \
        --exclude "/home/kunsi/.local/share/TelegramDesktop/tdata/user_data/cache/" \
        --exclude "/home/kunsi/.local/share/sddm/" \
        --exclude "/home/kunsi/.mozilla/firefox/*/storage/*" \
        --exclude "/home/kunsi/.npm/" \
        --exclude "/home/kunsi/.nvm/" \
        --exclude "/home/kunsi/.platformio/" \
        --exclude "/home/kunsi/.ssh/cm-*" \
        --exclude "/home/kunsi/.vdirsyncer" \
        --exclude "/home/kunsi/Downloads/" \
        --exclude "/home/kunsi/Schreibtisch/" \
        --exclude "/home/kunsi/VirtualBox VMs/" \
        --exclude "/home/kunsi/qemu/Windows_10.qcow2" \
        --exclude "/home/kunsi/tmp.*/" \
        "/home/kunsi" "$backup_ssh":backups/

    # Exit code 24 means some files have vanished during rsync.
    # I don't know why, but this is very common, apparently?
    exitcode=$?
    if [[ $exitcode != 0 ]] && [[ $exitcode != 24 ]]
    then
        exit 1
    fi
)

printf '\aPress enter to continue with updating the system\n'
read

# Do updates
sudo pacman -Syu --noconfirm