update-opsctl.service

[Unit]
Description=Update opsctl using daily timer
Wants=update-opsctl.timer

[Service]
Type=oneshot
ExecStart=<PATH_TO_UPDATE_OPSCTL_SCRIPT>
[Install]
WantedBy=multi-user.target

update-opsctl.sh

#!/usr/bin/env bash
# Requires opsctl version 1.9.0 (https://github.com/giantswarm/opsctl/releases/tag/v1.9.0)

set -o errexit
set -o nounset
set -o pipefail

OPSCTL_BINDIR=${OPSCTL_BINDIR:-"${HOME}/.local/bin"}

if [ -x ${OPSCTL_BINDIR}/opsctl ]
then
  VER_CHECK_EXIT_CODE="$(${OPSCTL_BINDIR}/opsctl version check &>/dev/null; echo $?)"
else
  echo "${OPSCTL_BINDIR}/opsctl is not there or isn't executable"
  exit 1
fi

if [ "$VER_CHECK_EXIT_CODE" == "125" ]
then
  echo -n "🔺 Updating..."
  ${OPSCTL_BINDIR}/opsctl version update
  echo "...Done 🚀"
else
  echo "You already have the latest opsctl release 👍"
fi

update-opsctl.timer

[Unit]
Description=Update opsctl

[Timer]
OnCalendar=daily
Persistent=true

[Install]
WantedBy=timers.target

To use:

mkdir -p ~/.config/environment.d/ && echo GITHUB_TOKEN=$GITHUB_TOKEN > ~/.config/environment.d/update-opsctl.conf
curl https://gist.github.com/yasn77/864ebf83b6feb9adbf15c523155c03c6/raw/e146424d6518241bf6b8b17e8b7c257a89060dfe/update-opsctl.timer -o ~/.config/systemd/user/update-opsctl.timer
curl https://gist.github.com/yasn77/864ebf83b6feb9adbf15c523155c03c6/raw/e146424d6518241bf6b8b17e8b7c257a89060dfe/update-opsctl.service -o ~/.config/systemd/user/update-opsctl.service
curl https://gist.github.com/yasn77/864ebf83b6feb9adbf15c523155c03c6/raw/e146424d6518241bf6b8b17e8b7c257a89060dfe/update-opsctl.sh -o ~/.local/bin/update-opsctl.sh
chmod +x ~/.local/bin/update-opsctl.sh
systemctl --user enable update-opsctl.service