coldbackup initial, not working yet

coldbackup/dobackup.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -e
+
+export DESTDIR="/Volumes/coldbackup"
+
+if [ ! -d "$DESTDIR" ]; then
+    echo "dest disk $DESTDIR not present" > /dev/stderr
+    exit 127
+fi
+
+vagrant destroy -f || true # FIXME this may cause disk corruption
+
+PASSPHRASEFILE="${HOME}/Documents/Secure/backup-password.txt"
+export BACKUP_ENCRYPTION_KEY="$(cat "$PASSPHRASEFILE")"
+vagrant up