Class: Mnenv::Shells::ShellFactory

Inherits:
Object
  • Object
show all
Defined in:
lib/mnenv/shells/factory.rb

Overview

Factory for detecting and creating shell instances

Constant Summary collapse

SHELLS = 
{
  'bash' => BashShell,
  'sh' => BashShell,
  'dash' => BashShell,
  'zsh' => BashShell,
  'fish' => BashShell, # Fish can run bash scripts in compatibility mode
  'powershell' => PowerShellShell,
  'pwsh' => PowerShellShell,
  'cmd' => CmdShell
}.freeze

Class Method Summary collapse

Class Method Details

.detect ⇒ Object

Detect the current shell from environment



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# File 'lib/mnenv/shells/factory.rb', line 25

def detect
  shell_env = ENV['SHELL'] || ENV['COMSPEC'] || ''

  if windows?
    detect_windows_shell(shell_env)
  else
    detect_unix_shell(shell_env)
  end
end

.get(shell_name) ⇒ Object

Get shell by name

Raises:

  • (ArgumentError) 


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# File 'lib/mnenv/shells/factory.rb', line 36

def get(shell_name)
  shell_class = SHELLS[shell_name.downcase]
  raise ArgumentError, "Unknown shell: #{shell_name}" unless shell_class

  shell_class.new
end

.platform_shells ⇒ Object

Get all shells for the current platform



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# File 'lib/mnenv/shells/factory.rb', line 44

def platform_shells
  if windows?
    [PowerShellShell.new, CmdShell.new]
  else
    [BashShell.new]
  end
end