Explicitly split string value for Ruby 1.9.

lib/hub/commands.rb

@@ -283,8 +283,9 @@ help
         # Wait until we have input before we start the pager
         Kernel.select [STDIN]
 
-        pager = ENV['GIT_PAGER'] || `git config --get-all core.pager`.first ||
-          ENV['PAGER'] || 'less -isr'
+        pager = ENV['GIT_PAGER'] ||
+          `git config --get-all core.pager`.split.first || ENV['PAGER'] ||
+          'less -isr'
 
         exec pager rescue exec "/bin/sh", "-c", pager
       else