+ exit $1
+}
+
+##### begin command line parsing ########
+
+# ensure we can handle args with spaces or empty.
+ret=0; getopt -T || ret=$?
+[[ $ret == 4 ]] || { echo "Install util-linux for enhanced getopt" >&2; exit 1; }
+
+temp=$(getopt -l help hd:t: "$@") || usage 1
+eval set -- "$temp"
+while true; do
+ case $1 in
+ -d) distro=$2; shift ;;
+ -t) target=$2; shift ;;
+ -h|--help) usage 0 ;;
+ --) shift; break ;;
+ *) echo "$0: unexpected args: $*" >&2 ; usage 1 ;;
+ esac
+ shift
+done
+host=${1:-faiserver.b8.nz}
+
+readonly host distro target
+
+##### end command line parsing ########
+
+m() { printf "fai-redep: %s\n" "$*"; "$@"; }
+
+# i use faiserver as a dns alias, but ssh key is associated with
+# a canonical hostname and we will have ssh warning spam unless we
+# use it, so look it up just to avoid the warning spam.
+faiserver_host=$(/a/exe/chost $host)
+# faiserver_host=$host
+
+faiserver_addr=$(host $host | sed -rn 's/^\S+ has address //p;T;q' ||:)
+
+rsrv() {
+ local -a opts
+ while [[ $2 ]]; do
+ opts+=("$1")
+ shift
+ done
+ m rsync "${ropts[@]}" "${opts[@]}" "$rpath$1"
+}
+rpath=/srv
+if ! ip a | grep "^ *inet.\? $faiserver_addr" &>/dev/null; then
+ ropts=(-e "ssh -F $HOME/.ssh/confighome")
+ rpath="root@$faiserver_host:/srv"
+ faiserver_shell="ssh -F $HOME/.ssh/confighome root@$faiserver_host"
+fi
+
+# we hssh and ssh_filter_btrbk for the initial btrbk (alternatively, I could open up the
+# permissions in authorized_keys, but that just seems lazy)
+install --owner=iank --group=iank -d fai/config/files/usr/local/bin/hssh
+install --owner=iank --group=iank -d fai/config/files/usr/local/bin/ssh_filter_btrbk.sh
+rsync -atL /a/opt/btrbk/ssh_filter_btrbk.sh fai/config/files/usr/local/bin/ssh_filter_btrbk.sh/STANDARD
+rsrv -rlpt --delete --relative --exclude /fai/config/basefiles/ fai/config /
+
+# todo: automatically disable faiserver after a period so
+# these files are not available.
+
+
+if [[ $target ]]; then
+ secret_files=(luks/$target luks/host-$target shadow/$target)
+ exists=false
+ for f in ${secret_files[@]}; do
+ if [[ -e /q/root/$f ]]; then
+ exists=true
+ secrets_to_send+=("$f")
+ fi
+ done
+ if $exists; then
+ {
+ for f in ${secrets_to_send[@]}; do
+ echo $f
+ done
+ } | rsrv -lpt --files-from=- /q/root /fai/config/distro-install-common
+ fi
+else
+ rsrv -rlpt /q/root/shadow /q/root/luks /fai/config/distro-install-common
+fi
+
+rsrv -rlpt --delete /a/opt/btrfs-progs-release /a/opt/btrfs-progs /fai/config/distro-install-common
+
+dirs=(/p/c/machine_specific/${target:-*}/filesystem/etc/ssh)
+if [[ -e ${dirs[0]} ]]; then
+ rsrv -rlpt --delete --relative ${dirs[@]} /fai/config/distro-install-common
+fi
+
+# historical notes: once I tried installing all generic packages using
+# the DESKTOP class, and populated the package list here, but it had
+# some problem and figured it was easier to debug if we let fai just
+# handle some basic initial things.
+# I also tried speeding up an initial install by making basefile with
+# lots of packages installed in a script called mk-basefile-big. Many
+# packages fail to install by having debootstrap install extra
+# packages. I tried instead to do a fai dirinstall (fancy chroot) to
+# install packages, then turn that into a new basefile. It had some
+# problem and once again, did not seem worth debugging.