+#!/usr/bin/env bash
+user="$1"
+rootuser="$HOME/$user/"
+mkdir -p $rootuser
+
+orig="$SSH_ORIGINAL_COMMAND"
+if [ -z "$orig" ]; then
+ orig="/bin/bash -l"
+fi
+if [ "${orig:0:7}" = "command" ]; then
+ orig="${orig:8}"
+fi
+
+case "$orig" in
+rsync*)
+ rrsync $HOME/$user/
+ ;;
+*)
+ nix_store_paths() {
+ nix-store -q -R \
+ /run/current-system/sw \
+ /etc/profiles/per-user/pub \
+ | while read i; do
+ printf '%s--bind\0'$i'\0'$i'\0' ''
+ done
+ }
+
+ set -euo pipefail
+ (exec -c bwrap --ro-bind /usr /usr \
+ --args 10 \
+ --dir /tmp \
+ --dir /var \
+ --symlink ../tmp var/tmp \
+ --proc /proc \
+ --dev /dev \
+ --ro-bind /etc/resolv.conf /etc/resolv.conf \
+ --ro-bind /run/current-system/sw/lib/locale/locale-archive /etc/locale-archive \
+ --ro-bind /run/current-system/sw/bin /bin \
+ --ro-bind /etc/profiles/per-user/pub/bin /bin-pub \
+ --bind /var/lib/pub/$user /var/lib/pub \
+ --ro-bind $TMUX_RESTRICT /var/lib/pub/.tmux.restrict.conf \
+ --chdir /var/lib/pub \
+ --unshare-all \
+ --share-net \
+ --dir /run/user/$(id -u) \
+ --setenv TERM "$TERM" \
+ --setenv LOCALE_ARCHIVE "/etc/locale-archive" \
+ --setenv XDG_RUNTIME_DIR "/run/user/`id -u`" \
+ --setenv PS1 "$user@pub $ " \
+ --setenv PATH "/bin:/bin-pub" \
+ --setenv HOME "/var/lib/pub" \
+ --file 11 /etc/passwd \
+ --file 12 /etc/group \
+ -- $orig) \
+ 10< <(nix_store_paths) \
+ 11< <(getent passwd $UID 65534) \
+ 12< <(getent group $(id -g) 65534)
+ ;;
+esac