Enable OS X 10.8 and 10.9 Software Update Server catalogs in Mac OS X 10.7 Software Update Server
$ diff /etc/swupd.conf~ /etc/swupd.conf
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Darwin/9
RewriteRule ^/index\.sucatalog$ http://%{HTTP_HOST}/cgi-bin/SoftwareUpdateServerGetCatalog?/index-leopard.merged-1.sucatalog
RewriteCond %{HTTP_USER_AGENT} Darwin/10
RewriteRule ^/index\.sucatalog$ http://%{HTTP_HOST}/cgi-bin/SoftwareUpdateServerGetCatalog?/index-leopard-snowleopard.merged-1.sucatalog
RewriteCond %{HTTP_USER_AGENT} Darwin/11
RewriteRule ^/index\.sucatalog$ http://%{HTTP_HOST}/cgi-bin/SoftwareUpdateServerGetCatalog?/index-lion-snowleopard-leopard.merged-1.sucatalog
+ RewriteCond %{HTTP_USER_AGENT} Darwin/12
+ RewriteRule ^/index\.sucatalog$ http://%{HTTP_HOST}/cgi-bin/SoftwareUpdateServerGetCatalog?/index-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog
+ RewriteCond %{HTTP_USER_AGENT} Darwin/13
+ RewriteRule ^/index\.sucatalog$ http://%{HTTP_HOST}/cgi-bin/SoftwareUpdateServerGetCatalog?/index-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog
</IfModule>
$ diff /etc/swupd.plist~ /etc/swupd.plist
<key>otherCatalogs</key>
<array>
<string>index-leopard.merged-1.sucatalog</string>
<string>index-leopard-snowleopard.merged-1.sucatalog</string>
<string>index-lion-snowleopard-leopard.merged-1.sucatalog</string>
+ <string>index-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog</string>
+ <string>index-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog</string>
</array>