[Unit]
Description=Patch an ICS file based on EPSI’s web calendar for %I

[Service]
Type=oneshot

# EXPECTED ENVIRONMENT:
#Environment="ICS_PATH=/path/to/target.ics" "WEEK_COUNT=how many weeks to update" "EXTRA_OPT=extra options (-m notify@example.org)"

ExecStart=/usr/bin/epsi2ical -j -u "%I" -p "${ICS_PATH}" -w "${WEEK_COUNT}" ${EXTRA_OPT}