44 lines
1.6 KiB
Bash
Executable File
44 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env sh
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# Install the 30-minute HedgeDoc refresh as systemd *user* units.
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# Run it as the user that owns ctf_status.env / .env, on the machine that should do the
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# polling. Re-running it is safe; it just overwrites the units.
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set -eu
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dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd -P)
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units="${XDG_CONFIG_HOME:-$HOME/.config}/systemd/user"
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[ -x "$dir/ctf_status.py" ] || { echo "no executable ctf_status.py in $dir" >&2; exit 1; }
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# ctf_status.py reads ctf_status.env and .env; either (or both) will do
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set --
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for f in "$dir/ctf_status.env" "$dir/.env"; do
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if [ -f "$f" ]; then set -- "$@" "$f"; fi
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done
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[ $# -gt 0 ] || {
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echo "no ctf_status.env or .env in $dir — copy ctf_status.env.example to one first" >&2
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exit 1; }
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# the timer runs --update --challs, which need these two
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for key in HEDGEDOC_NOTE CHALLS_REPO_URL; do
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grep -qi "^$key=..*" "$@" || { echo "set $key=... in $* first" >&2; exit 1; }
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done
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chmod 600 "$@"
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mkdir -p "$units"
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for u in ctf-status.service ctf-status.timer; do
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sed "s|__DIR__|$dir|g" "$dir/$u" > "$units/$u"
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echo "installed $units/$u"
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done
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systemctl --user daemon-reload
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systemctl --user enable --now ctf-status.timer
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# without lingering, user units are torn down as soon as you log out
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if ! loginctl show-user "$(id -un)" -p Linger --value 2>/dev/null | grep -qx yes; then
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loginctl enable-linger "$(id -un)" 2>/dev/null \
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|| echo "could not enable linger; run: sudo loginctl enable-linger $(id -un)" >&2
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fi
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echo
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echo "one run now, to prove it works:"
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systemctl --user start ctf-status.service && echo " ok"
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systemctl --user list-timers ctf-status.timer --no-pager
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