Added help message for gem i webrick in rdoc

ruby · Dec 10, 2020 · e7433a3 · e7433a3
1 parent 4ccc662
commit e7433a3
Show file tree

Hide file tree

Showing 2 changed files with 13 additions and 2 deletions.
diff --git a/lib/rdoc/ri/driver.rb b/lib/rdoc/ri/driver.rb
@@ -1551,7 +1551,12 @@ def setup_pager
   # Starts a WEBrick server for ri.
 
   def start_server
-    require 'webrick'
+    begin
+      require 'webrick'
+    rescue LoadError
+      puts "webrick is not found. You may need to `gem install webrick` to install webrick."
+      exit
+    end
 
     server = WEBrick::HTTPServer.new :Port => @server
 

diff --git a/lib/rdoc/servlet.rb b/lib/rdoc/servlet.rb
@@ -3,7 +3,13 @@
 require 'erb'
 require 'time'
 require 'json'
-require 'webrick'
+
+begin
+  require 'webrick'
+rescue LoadError
+  puts "webrick is not found. You may need to `gem install webrick` to install webrick."
+  exit
+end
 
 ##
 # This is a WEBrick servlet that allows you to browse ri documentation.