gistfile1.txt

#!/usr/bin/env ruby

# Execute the git, gem, or rake command, depending on the second argument

case ARGV.first
when /^(add|bisect|branch|checkout|clone|commit|diff|fetch|grep|init|log|merge|mv|pull|push|rebase|reset|rm|show|status|tag)$/
  system "git #{ARGV.join(' ')}"
when /^(build|cert|check|cleanup|contents|dependency|environment|fetch|generate_index|help|install|list|lock|mirror|outdated|pristine|query|rdoc|search|server|sources|specification|stale|uninstall|unpack|update|which)$/
  system "gem #{ARGV.join(' ')}"
else
  system "rake #{ARGV.join(' ')}"
end