Module: Sidekick::Actions::System

Defined in:
lib/sidekick/actions/system.rb

Instance Method Summary collapse

Instance Method Details

#gem_load?(gemname) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sidekick/actions/system.rb', line 17

def gem_load?(gemname)
  begin
    require gemname
    true
  rescue LoadError; false; end
end

#handling(err_kls = Exception, context = nil) ⇒ Object 



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# File 'lib/sidekick/actions/system.rb', line 36

def handling(err_kls=Exception, context=nil)
  begin
    yield
  rescue err_kls => e
    if context
      notify "#{context}:\n#{e}", e.class.name
    else
      notify "#{e}\n#{e.backtrace[0..2]}", e.class.name
    end
  end
end

#needs(gem_name, reason) ⇒ Object 



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# File 'lib/sidekick/actions/system.rb', line 24

def needs(gem_name, reason)
  unless gem_load?(gem_name)
    abort "You must install the #{gem_name} gem #{reason}."
  end
end

#platform ⇒ Object 



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# File 'lib/sidekick/actions/system.rb', line 7

def platform
  {
    :linux => /linux/,
    :darwin => /darwin/,
    :windows => /mswin|mingw|cygwin/
  }.each do |platform, regex|
    return platform if Config::CONFIG['host_os'] =~ regex
  end; :other
end

#prefers(gem_name, reason) ⇒ Object 



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# File 'lib/sidekick/actions/system.rb', line 30

def prefers(gem_name, reason)
  unless gem_load?(gem_name)
    log "Please install the #{gem_name} gem #{reason}."
  end
end