You won't be able to pass any test() command by just printing, since test relies on the answer from the upstream server to determine which way the Ruby code should branch.
Lee Hambley -- http://lee.hambley.name/ +49 (0) 170 298 5667 On 20 October 2014 08:55, Haani Niyaz <haani.ni...@gmail.com> wrote: > I was also curious to know if there was a better way to do this? cheers. > > > On Monday, 20 October 2014 17:54:47 UTC+11, Haani Niyaz wrote: >> >> Hi There, >> >> I am attempted to have Capistrano tasks only display the commands instead >> of executing them. I did this by basically using a function which >> determines if the command needs to be executed or printed based on a >> 'debug' flag passed as an argument which would be accessed as a environment >> variable, however I encountered some exceptions: >> >> What I've done: >> >> def execute_as cmd >> >> if $debug.eql? 'true' >> puts cmd >> else >> execute "#{cmd}" >> end >> >> >> The above works fine for all except for the following scenario: >> >> # fails for any test command >> if test(" [ ! -d /usr/backup ] ") >> puts "+ Creating backup point /usr/backup.." >> execute_as "sudo mkdir /usr/backup" >> puts "#{$checkmark} Created /usr/backup" >> end >> >> >> The exception below is: >> 1. Only generated when it encounters the first test command. >> 2. Does not terminate. Prints all command successfully until the end. >> >> >> DEBUG[ba34641c] Command: [ ! -d /usr/backup ] >> Exception `Net::SSH::Exception' at /opt/ruby/ruby-2.0.0-p451/usr/ >> lib64/ruby/gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/transport/algorithms.rb:329 >> - could not settle on language_client algorithm >> Exception `Net::SSH::Exception' at /opt/ruby/ruby-2.0.0-p451/usr/ >> lib64/ruby/gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/transport/algorithms.rb:329 >> - could not settle on language_server algorithm >> Exception `Net::SSH::Authentication::DisallowedMethod' at /opt/ruby/ruby- >> 2.0.0-p451/usr/lib64/ruby/gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/ >> authentication/methods/none.rb:23 - Net::SSH::Authentication::Disa >> llowedMethod >> Exception `TypeError' at /opt/ruby/ruby-2.0.0-p451/usr/ >> lib64/ruby/gems/2.0.0/gems/net-ssh-2.9.1/lib/net/ssh/ >> authentication/agent/socket.rb:65 - no implicit conversion of nil into >> String >> Exception `Net::SSH::Authentication::AgentNotAvailable' at >> /opt/ruby/ruby-2.0.0-p451/usr/lib64/ruby/gems/2.0.0/gems/ >> net-ssh-2.9.1/lib/net/ssh/authentication/agent/socket.rb:68 - no >> implicit conversion of nil into String >> >> >> I can SSH into the remote server successfully and if the debug option is >> off, no exceptions are generated. >> >> A closer look led me to change the environment variable name (instead of >> using 'debug') which solved the problem. >> >> I was hoping someone could explain this behavior? >> Thanks. >> >> >> Versions: >> >> - Ruby 1.8.7 >> - Capistrano 3 >> >> >> -- > You received this message because you are subscribed to the Google Groups > "Capistrano" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to capistrano+unsubscr...@googlegroups.com. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/capistrano/0a9b03b2-6e54-477d-9599-1d8163afb43e%40googlegroups.com > <https://groups.google.com/d/msgid/capistrano/0a9b03b2-6e54-477d-9599-1d8163afb43e%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "Capistrano" group. To unsubscribe from this group and stop receiving emails from it, send an email to capistrano+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/capistrano/CAN_%2BVLV2zro4Pt7ONR9L7-7AR_Zcn0NNsk5YwB200A7fw2xdZg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
