Add 'initialize' command, define 'backup' command

etc/cron.daily/tupper

@@ -1,4 +1,4 @@
 #!/bin/bash
 
-/usr/sbin/tupper 2>&1 | tee --append /var/log/tupper.log
+/usr/sbin/tupper backup 2>&1 | tee --append /var/log/tupper.log
 

usr/sbin/tupper

@@ -3,6 +3,14 @@
 # Inform user
 echo "Welcome to tupper! Running on $(date)"
 
+# Check if it is clear what to do
+ACTION="$1"
+if [ "$ACTION" != "backup" ] && [ "$ACTION" != "initialize" ]; then
+	echo "tupper requires an action: $0 { initialize | backup }" 1>&2
+	echo "Unrecognized action: $ACTION" 1>&2
+	exit 1
+fi
+
 # Check access rights of config file
 CONF="/etc/tupper.conf"
 if [ "$(stat -c '%U' $CONF)" != "root" ] && [ "$(stat -c '%A' $CONF)" = "*------" ]; then
@@ -35,8 +43,12 @@ fi
 # Backup
 export BORG_PASSPHRASE
 export BORG_RELOCATED_REPO_ACCESS_IS_OK=yes
+if [ "$ACTION" = "initialize" ]; then
+	borg init --encryption=repokey "$TARGET"
+elif [ "$ACTION" = "backup" ]; then
 	borg create --stats "$MOUNTPOINT::"'{now}' "$TARGET"
 	borg list "$MOUNTPOINT"
+fi
 
 # Unmount and clean up mountpoint
 fusermount -u "$MOUNTPOINT" && \