bin/backupx

#!/usr/bin/env sh
#
# pbrisbin 2013 - perform a backup via tarsnap.
#
###
die() { printf "%s\n" "$*" >&2; exit 1; }

[ $UID -eq 0 ] || die 'You must be root'
which tarsnap >/dev/null || die 'You must install tarsnap'

timestamp="$(date +%Y%m%d.%H:%M:%S)"

tarsnap "$@" \
  --keyfile /root/tarsnap.key \
  --cachedir /usr/local/tarsnap-cache \
  -c -f "backup-$timestamp" /root /home /etc /srv