Merge pull request #320 from lucasrangit/allow-hyphen-in-url

Allow hyphens in GITHUB_URL

Author: ConradIrwin

lib/gist.rb

@@ -44,7 +44,7 @@ class ClipboardError < RuntimeError; include Error end
   module AuthTokenFile
     def self.filename
       if ENV.key?(URL_ENV_NAME)
-        File.expand_path "~/.gist.#{ENV[URL_ENV_NAME].gsub(/:/, '.').gsub(/[^a-z0-9.]/, '')}"
+        File.expand_path "~/.gist.#{ENV[URL_ENV_NAME].gsub(/:/, '.').gsub(/[^a-z0-9.-]/, '')}"
       else
         File.expand_path "~/.gist"
       end