tarsnap: fix up permissions of existing cache directories

+2
+2
nixos/modules/services/backup/tarsnap.nix
··· 249 249 script = '' 250 250 mkdir -p -m 0755 ${dirOf cfg.cachedir} 251 251 mkdir -p -m 0700 ${cfg.cachedir} 252 + chown root:root ${cfg.cachedir} 253 + chmod 0700 ${cfg.cachedir} 252 254 DIRS=`cat /etc/tarsnap/$1.dirs` 253 255 exec tarsnap --configfile /etc/tarsnap/$1.conf -c -f $1-$(date +"%Y%m%d%H%M%S") $DIRS 254 256 '';