Checking of months on pleroma expiry script

src/freedombone-app-pleroma

     fi
 
     echo '#!/bin/bash' > $pleroma_expire_posts_script
-    echo 'oldate=$(date +%Y-%m-%d --date="3 months ago")' >> $pleroma_expire_posts_script
+    echo "plmonths=\"$PLEROMA_EXPIRE_MONTHS\"" >> $pleroma_expire_posts_script
+    echo 'if [ ! ${#plmonths} -eq 0 ]; then' >> $pleroma_expire_posts_script
+    echo '    exit 1' >> $pleroma_expire_posts_script
+    echo 'fi' >> $pleroma_expire_posts_script
+    echo 'if [[ "$plmonths" == "0" ]]; then' >> $pleroma_expire_posts_script
+    echo '    exit 2' >> $pleroma_expire_posts_script
+    echo 'fi' >> $pleroma_expire_posts_script
+    echo -n 'oldate=$(date +%Y-%m-%d --date="' >> $pleroma_expire_posts_script
+    echo -n "$PLEROMA_EXPIRE_MONTHS" >> $pleroma_expire_posts_script
+    echo ' months ago")' >> $pleroma_expire_posts_script
     echo "sudo -u postgres psql -d pleroma -c \"DELETE FROM notifications WHERE inserted_at <= '\$oldate 01:01:01'\"" >> $pleroma_expire_posts_script
     echo "sudo -u postgres psql -d pleroma -c \"DELETE FROM objects WHERE inserted_at <= '\$oldate 01:01:01'\"" >> $pleroma_expire_posts_script
     chmod +x $pleroma_expire_posts_script