Foreman » Smart Proxy

There appears to be some transition in the Sinatra packages, which results in a broken dependency chain and the provided foreman-proxy 0.3 package cannot be installed.

root@delta:~# dpkg -I /home/aen/foreman-proxy_0.3-1_all.deb | grep Depends
Depends: ruby, rubygems, libopenssl-ruby, libsinatra-ruby, libjson-ruby, libnet-ping-ruby, rake

root@delta:~# apt-get install libsinatra-ruby
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
libsinatra-ruby : Depends: ruby-sinatra but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

root@delta:~# apt-get install ruby-sinatra
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
ruby-sinatra : Depends: ruby-rack but it is not installable
E: Unable to correct problems, you have held broken packages.

root@delta:~# apt-get install ruby-rack
Reading package lists... Done
Building dependency tree
Reading state information... Done
Package ruby-rack is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'ruby-rack' has no installation candidate