cli.rb: parse multiple space or comma-separated hostnames

lib/fakes3/cli.rb

@@ -27,12 +27,18 @@ def server
         abort "You must specify a root to use a file store (the current default)"
       end
 
-      hostname = 's3.amazonaws.com'
-      if options[:hostname]
-        hostname = options[:hostname]
+      # Allow single or multiple hostnames
+      raw_hostnames = options[:hostname] || 's3.amazonaws.com'
+      raw_hostnames = raw_hostnames.split(/[\s,]/)
+      hostnames = []
+      raw_hostnames.each do |h|
         # In case the user has put a port on the hostname
-        if hostname =~ /:(\d+)/
-          hostname = hostname.split(":")[0]
+        if h =~ /:(\d+)/
+          h = h.split(":")[0]
+        end
+        h.strip!
+        if not (/\A[[:space:]]*\z/ === h)
+          hostnames << h
         end
       end
 
@@ -52,8 +58,8 @@ def server
         abort "If you specify an SSL certificate you must also specify an SSL certificate key"
       end
 
-      puts "Loading FakeS3 with #{root} on port #{options[:port]} with hostname #{hostname}"
-      server = FakeS3::Server.new(address,options[:port],store,hostname,ssl_cert_path,ssl_key_path)
+      puts "Loading FakeS3 with #{root} on port #{options[:port]} with hostnames #{hostnames}"
+      server = FakeS3::Server.new(address,options[:port],store,hostnames,ssl_cert_path,ssl_key_path)
       server.serve
     end