Class: Dash::Session

Inherits:
Object show all
Includes:
BuiltinMod, FromHash
Defined in:
lib/dash/session.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from BuiltinMod

included

Instance Attribute Details

#image ⇒ Object

Returns the value of attribute image.



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# File 'lib/dash/session.rb', line 31

def image
  @image
end

Instance Method Details

#dir_exists?(dir) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dash/session.rb', line 53

def dir_exists?(dir)
  #run_in_docker "if test -d #{dir}; then echo 'exist'; fi "
end

#dispatch(str) ⇒ Object 



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# File 'lib/dash/session.rb', line 70

def dispatch(str)
  parts = str.split(" ")
  name = parts[0]
  args = parts[1..-1]

  if builtin?(name)
    dispatch_builtin(name,*args)
  else
    run_in_docker(str)
  end
end

#prompt ⇒ Object 



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# File 'lib/dash/session.rb', line 82

def prompt
  "#{image} | #{current_dir} ~> "
end

#run! ⇒ Object 



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# File 'lib/dash/session.rb', line 92

def run!
  print prompt
  loop do
    line = STDIN.gets
    run_line line
  end
end

#run_in_docker(cmd) ⇒ Object 



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# File 'lib/dash/session.rb', line 57

def run_in_docker(cmd)
  #puts "RID: current_dir: #{current_dir}, cmd: #{cmd}"
  raise "no image" unless image.present?
  cmd = "docker run -w #{current_dir} #{image} #{cmd}"
  puts "RID: #{cmd}"

  pid = fork do
    exec cmd
  end

  Process.wait pid
end

#run_line(line) ⇒ Object 



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# File 'lib/dash/session.rb', line 86

def run_line(line)
  res = dispatch(line)
  #puts res if res.present?
  print prompt
end