added general repository checking

entry.sh

@@ -1,5 +1,4 @@
 #!bin/sh
-set -e
 
 echo "Starting container ..."
 
@@ -14,11 +13,22 @@ if [ -n "${NFS_TARGET}" ]; then
     mount -o nolock -v ${NFS_TARGET} /mnt/restic
 fi
 
-if [ ! -f "$RESTIC_REPOSITORY/config" ]; then
+restic snapshots &>/dev/null
+status=$?
+echo "Check Repo status $status"
+
+if [ $status != 0 ]; then
     echo "Restic repository '${RESTIC_REPOSITORY}' does not exists. Running restic init."
     restic init | true
+
+    if [ $? == 0 ]; then
+        echo "Failed to init the repository: '${RESTIC_REPOSITORY}'"
+        exit 1
+    fi
 fi
 
+
+
 echo "Setup backup cron job with cron expression BACKUP_CRON: ${BACKUP_CRON}"
 echo "${BACKUP_CRON} /bin/backup >> /var/log/cron.log 2>&1" > /var/spool/cron/crontabs/root
 
@@ -30,4 +40,4 @@ crond
 
 echo "Container started."
 
-tail -fn0 /var/log/cron.log
+tail -fn0 /var/log/cron.log