x="$(readlink -f "$BASH_SOURCE")"; cd ${x%/*}
-e() { echo "$*"; "$@"; }
-
# scripts that would interfere with unmounting /a, put them elsewhere
-e install btrbk-run mount-latest-subvol check-subvol-stale /usr/local/bin
+install /a/bin/log-quiet/log-once switch-mail-host btrbk-run mount-latest-subvol \
+ check-subvol-stale /usr/local/bin
+install /a/bin/errhandle/err /usr/local/lib