Add logs

Author: Nicolas Rodriguez

Diff for: lib/redmine_git_hosting/config/mirroring.rb

@@ -42,7 +42,6 @@ def mirroring_keys_installed?(opts = {})
             logger.info('Done !')
             @mirroring_keys_installed = true
           else
-            logger.error('Failed to install Redmine Gitolite mirroring SSH keys !')
             @mirroring_keys_installed = false
           end
         end
@@ -82,20 +81,23 @@ def gitolite_ssh_public_key_dest_path
         def install_private_key
           RedmineGitHosting::Commands.sudo_install_file(gitolite_ssh_private_key_content, gitolite_ssh_private_key_dest_path, '600')
         rescue
+          logger.error('Failed to install Redmine Git Hosting mirroring SSH private key !')
           false
         end
 
 
         def install_public_key
           RedmineGitHosting::Commands.sudo_install_file(gitolite_ssh_public_key_content, gitolite_ssh_public_key_dest_path, '644')
         rescue
+          logger.error('Failed to install Redmine Git Hosting mirroring SSH public key !')
           false
         end
 
 
         def install_mirroring_script
           RedmineGitHosting::Commands.sudo_install_file(mirroring_script_content, gitolite_mirroring_script, '700')
         rescue
+          logger.error('Failed to install Redmine Git Hosting mirroring script !')
           false
         end