Improve rdm-mailhandler exit status (#4368).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3143 e93f8b46-1217-0410-a6f0-8f06a7374b81

extra/mail_handler/rdm-mailhandler.rb

@@ -125,9 +125,27 @@ class RedmineMailHandler
     response = Net::HTTPS.post_form(URI.parse(uri), data)
     debug "Response received: #{response.code}"
     
-    puts "Request was denied by your Redmine server. " + 
-         "Please, make sure that 'WS for incoming emails' is enabled in application settings and that you provided the correct API key." if response.code == '403'
-    response.code == '201' ? 0 : 1
+    case response.code.to_i
+      when 403
+        warn "Request was denied by your Redmine server. " + 
+             "Make sure that 'WS for incoming emails' is enabled in application settings and that you provided the correct API key."
+        return 77
+      when 422
+        warn "Request was denied by your Redmine server. " +
+             "Possible reasons: email is sent from an invalid email address or is missing some information."
+        return 77
+      when 400..499
+        warn "Request was denied by your Redmine server (#{response.code})."
+        return 77
+      when 500..599
+        warn "Failed to contact your Redmine server (#{response.code})."
+        return 75
+      when 201
+        debug "Proccessed successfully"
+        return 0
+      else
+        return 1
+    end
   end
   
   private
@@ -138,4 +156,4 @@ class RedmineMailHandler
 end
 
 handler = RedmineMailHandler.new
-handler.submit(STDIN.read)
+exit(handler.submit(STDIN.read))