Perforce repository key fix (#2096)

Author: cesar-cs

lib/travis/build/appliances.rb

@@ -14,6 +14,7 @@
 require 'travis/build/appliances/env'
 require 'travis/build/appliances/etc_hosts_pinning'
 require 'travis/build/appliances/fix_wwdr_certificate'
+require 'travis/build/appliances/fix_perforce_key'
 require 'travis/build/appliances/rm_riak_source'
 require 'travis/build/appliances/fix_rwky_redis'
 require 'travis/build/appliances/update_glibc'

lib/travis/build/appliances/fix_perforce_key.rb

@@ -0,0 +1,15 @@
+require 'travis/build/appliances/base'
+
+module Travis
+  module Build
+    module Appliances
+      class FixPerforceKey < Base
+        def apply
+          sh.if "! $(command -v sw_vers)" do
+            sh.cmd "wget -qO - https://package.perforce.com/perforce.pubkey | sudo apt-key add -", assert: false, echo: false
+          end
+        end
+      end
+    end
+  end
+end

lib/travis/build/script.rb

@@ -321,6 +321,7 @@ def configure
           apply :no_ipv6_localhost
           apply :fix_etc_mavenrc
           apply :etc_hosts_pinning
+          apply :fix_perforce_key
           apply :fix_wwdr_certificate
           apply :put_localhost_first
           apply :home_paths