Class: Tweemux::Action::Hubkey

Inherits:
Tweemux::Action show all
Defined in:
lib/tweemux/action/hubkey.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Tweemux::Action

#call, colorize_tmux_command, explain, #explained_run, explained_run, #explained_run_as, explained_run_as, highlight_command, highlight_explanation, #initialize, load_all!, pseudo_restarts, system_or_raise, tmux_S, #tmux_S

Constructor Details

This class inherits a constructor from Tweemux::Action

Instance Attribute Details

#github_user ⇒ Object (readonly)

Returns the value of attribute github_user.



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# File 'lib/tweemux/action/hubkey.rb', line 2

def github_user
  @github_user
end

#unix_user ⇒ Object (readonly)

Returns the value of attribute unix_user.



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# File 'lib/tweemux/action/hubkey.rb', line 2

def unix_user
  @unix_user
end

Instance Method Details

#authorized_keys_path ⇒ Object 



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# File 'lib/tweemux/action/hubkey.rb', line 44

def authorized_keys_path; home_dir+'/.ssh/authorized_keys' end

#ensure_ssh_dir_exists ⇒ Object 



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# File 'lib/tweemux/action/hubkey.rb', line 15

def ensure_ssh_dir_exists
  explained_run_as unix_user, %W(mkdir -p -m700 #{home_dir}/.ssh),
    "Make sure #{unix_user} has a ~/.ssh/ dir"
end

#home_dir ⇒ Object 



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# File 'lib/tweemux/action/hubkey.rb', line 36

def home_dir
  begin
    their_dir = File.expand_path '~'+unix_user
  rescue ArgumentError
    raise NoSuchHomeDir
  end
end

#install_github_keys ⇒ Object 



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# File 'lib/tweemux/action/hubkey.rb', line 30

def install_github_keys
  key_url = "https://github.com/#{github_user}.keys"
  explained_run_as unix_user, %W(curl #{key_url} -o #{authorized_keys_path}),
    "Download #{github_user}'s 'keyholes' from Github"
end

#refuse_to_overwrite_authorized_keys_file ⇒ Object

Raises:



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# File 'lib/tweemux/action/hubkey.rb', line 20

def refuse_to_overwrite_authorized_keys_file
  return unless File.exists? authorized_keys_path
  # TODO: some color
  raise NoRestartsException, <<-EOT
Refusing to overwrite #{authorized_keys_path}
Try: sudo cat #{authorized_keys_path}
Then maybe: sudo rm #{authorized_keys_path}
  EOT
end

#run(args) ⇒ Object 



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# File 'lib/tweemux/action/hubkey.rb', line 3

def run args
  @unix_user, @github_user = args
  @github_user ||= @unix_user
  run_with_both_usernames
end

#run_with_both_usernames ⇒ Object 



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# File 'lib/tweemux/action/hubkey.rb', line 9

def run_with_both_usernames
  ensure_ssh_dir_exists
  refuse_to_overwrite_authorized_keys_file
  install_github_keys
end