Use cron functions

src/freedombone-app-bdsmail

     chmod +x /usr/bin/bdsmail_distribute
 
     if ! grep -q 'bdsmail_distribute' /etc/crontab; then
-        echo '*/1            * *   *   *   root /usr/bin/bdsmail_distribute 2> /dev/null' >> /etc/crontab
+        cron_add_mins 1 '/usr/bin/bdsmail_distribute 2> /dev/null'
     fi
 
     echo '#!/bin/bash' > /usr/bin/bdsmail_domain

src/freedombone-app-icecast

     systemctl enable icecast2
 
     if ! grep -q "start_icecast" /etc/crontab; then
-        echo '*/1            * *   *   *   root /usr/bin/start_icecast > /dev/null' >> /etc/crontab
+        cron_add_mins 1 '/usr/bin/start_icecast 2> /dev/null'
     fi
 }
 

src/freedombone-app-pleroma

     chmod +x $blocking_script_file
 
     if ! grep -q "$blocking_script_file" /etc/crontab; then
-        echo "*/1            * *   *   *   root $blocking_script_file > /dev/null" >> /etc/crontab
+        cron_add_mins 1 "$blocking_script_file 2> /dev/null"
     fi
 }
 

src/freedombone-utils-gnusocialtools

     chmod +x /usr/bin/${database_name}-firewall
 
     if ! grep -q "${database_name}-firewall" /etc/crontab; then
-        echo "*/1            * *   *   *   root /usr/bin/${database_name}-firewall" >> /etc/crontab
+        cron_add_mins 1 "/usr/bin/${database_name}-firewall"
     fi
 }