Try to detect and remove local paths from error messages when generating a…

Try to detect and remove local paths from error messages when generating a ‘search for existing tickets’ URL.

Closes https://github.com/CocoaPods/CocoaPods/issues/2057

lib/cocoapods/user_interface/error_report.rb

@@ -8,6 +8,7 @@ module Pod
     module ErrorReport
       class << self
         def report(exception)
+          pathless_exception_message = exception.message.gsub(/- \(.*\):/, '- ():')
           return <<-EOS
 
 #{'――― MARKDOWN TEMPLATE ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――――'.reversed}
@@ -45,7 +46,7 @@ Repositories : #{repo_information.join("\n               ")}
 #{'[!] Oh no, an error occurred.'.red}
 #{error_from_podfile(exception)}
 #{'Search for existing github issues similar to yours:'.yellow}
-#{"https://github.com/CocoaPods/CocoaPods/search?q=#{CGI.escape(exception.message)}&type=Issues"}
+#{"https://github.com/CocoaPods/CocoaPods/search?q=#{CGI.escape(pathless_exception_message)}&type=Issues"}
 
 #{'If none exists, create a ticket, with the template displayed above, on:'.yellow}
 https://github.com/CocoaPods/CocoaPods/issues/new