# basic <%= lsbdistcodename %>
deb http://ftp.at.debian.org/debian <%= lsbdistcodename %> main contrib non-free
# security suppport
+<% if (lsbdistcodename == "sid" || lsbdistcodename == "unstable" -%>
+# There is no security mirror for <%= lsbdistcodename %>
+<% else %>
deb http://security.debian.org/ <%= lsbdistcodename %>/updates main contrib non-free
+<% end -%>
# local packages
#deb http://puppetmaster:81/ /
#deb http://ftp.at.debian.org/debian sid main
# backports
+<% if (lsbdistcodename == "sid" || lsbdistcodename == "unstable" -%>
+# There are no backports for for <%= lsbdistcodename %>
+<% else %>
deb http://www.backports.org/debian/ <%= lsbdistcodename %>-backports main
+<% end -%>
\ No newline at end of file