crystal.fish

complete -c crystal -n '__fish_crystal_no_subcmd' -fa compile -d "compile the specified file"
complete -c crystal -n '__fish_crystal_no_subcmd' -fa run -d "run the specified file as a program"
complete -c crystal -n '__fish_crystal_no_subcmd' -fa spec -d "run the unit test in ./spec"
complete -c crystal -n '__fish_crystal_no_subcmd' -fa docs -d "generate the documentation"
complete -c crystal -n '__fish_crystal_no_subcmd' -fa deps -d "install the dependencies"
complete -c crystal -n '__fish_crystal_no_subcmd' -fa env
complete -c crystal -n '__fish_crystal_no_subcmd' -fa eval
complete -c crystal -n '__fish_crystal_no_subcmd' -fa play
complete -c crystal -n '__fish_crystal_no_subcmd' -fa tool
complete -c crystal -n '__fish_crystal_no_subcmd' -fa help -d "display the help screen"
complete -c crystal -n '__fish_crystal_no_subcmd' -fa version -d "display the current crystal version"
complete -c crystal -n '__fish_crystal_no_subcmd' -fa init -d "initiatize a new repository"
complete -c crystal -n '__fish_crystal_with_no_file' -a "(ls * -d)"

complete -c crystal -n '__fish_crystal_no_subcmd'


function __fish_crystal_with_no_file --description 'Test if crystal can have a file as parameter'
  for i in (commandline -opc)
    if contains -- $i spec docs deps help version
      return 1
    end
  end
  for i in (commandline -opc)
    if contains -- $i compile run
      return 0
    end
  end
  return 1
end


function __fish_crystal_no_subcmd --description 'Test if crystal already has a command'
  for i in (commandline -opc)
    if contains -- $i compile run spec docs deps env eval play tool help version init
      return 1
    end
  end
  return 0
end