Class: Xcode::Shell::Command

Inherits:
Object
  • Object
show all
Includes:
TerminalOutput
Defined in:
lib/xcode/shell/command.rb

Constant Summary

Constants included from TerminalOutput

TerminalOutput::LEVELS

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from TerminalOutput

#color_output=, #color_output?, #format_lhs, included, #log_level, log_level=, #print, #print_input, #print_output, #print_system, #print_task, #puts, terminal_supports_colors?

Constructor Details

#initialize(cmd, environment = {}) ⇒ Command

Returns a new instance of Command.



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# File 'lib/xcode/shell/command.rb', line 21

def initialize(cmd, environment={})
  @cmd = cmd.to_s
  @args = []
  @env = environment
  @show_output = true
  @pipe = nil
  @output = []
  @output_dir = Dir.tmpdir
  @log_to_file = false
end

Instance Attribute Details

#args ⇒ Object

Returns the value of attribute args.



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# File 'lib/xcode/shell/command.rb', line 19

def args
  @args
end

#cmd ⇒ Object

Returns the value of attribute cmd.



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# File 'lib/xcode/shell/command.rb', line 19

def cmd
  @cmd
end

#env ⇒ Object

Returns the value of attribute env.



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# File 'lib/xcode/shell/command.rb', line 19

def env
  @env
end

#log_to_file ⇒ Object

Returns the value of attribute log_to_file.



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# File 'lib/xcode/shell/command.rb', line 19

def log_to_file
  @log_to_file
end

#output ⇒ Object

Returns the value of attribute output.



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# File 'lib/xcode/shell/command.rb', line 19

def output
  @output
end

#output_dir ⇒ Object

Returns the value of attribute output_dir.



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# File 'lib/xcode/shell/command.rb', line 19

def output_dir
  @output_dir
end

#show_output ⇒ Object

Returns the value of attribute show_output.



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# File 'lib/xcode/shell/command.rb', line 19

def show_output
  @show_output
end

Instance Method Details

#<<(arg) ⇒ Object 



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# File 'lib/xcode/shell/command.rb', line 32

def <<(arg)
  @args << arg
end

#==(obj) ⇒ Object 



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# File 'lib/xcode/shell/command.rb', line 48

def ==(obj)
  return false unless obj.is_a? Xcode::Shell::Command
  # to_s==obj.to_s
  Set.new(obj.to_a) == Set.new(self.to_a)
end

#attach(pipe) ⇒ Object

Attach an output pipe.

This can be any object which responds to puts and close



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# File 'lib/xcode/shell/command.rb', line 58

def attach(pipe)
  @pipe = pipe
  @show_output = false
end

#execute(&block) ⇒ Object

Execute the given command



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# File 'lib/xcode/shell/command.rb', line 66

def execute(&block) #:yield: output
  print_output self.to_s, :debug
  # print_task 'shell', self.to_s, :debug if show_output
  begin
    output_file_name = File.join(@output_dir, "xcoder-#{@cmd}-#{Time.now.strftime('%Y%m%d-%H%M%S')}")
    
    File.open(output_file_name, "w") do |file|          
      PTY.spawn(to_s) do |r, w, child_pid|
        r.sync
        r.each_line do |line|
          file << line
          
          print_input line.gsub(/\n$/,''), :debug if @show_output 

          if @pipe.nil?
            # DEPRECATED
            yield(line) if block_given?
          else
            @pipe << line
          end
          
          @output << line
        end 
        Process.wait(child_pid)
      end
    end
    
    raise ExecutionError.new("Error (#{$?.exitstatus}) executing '#{to_s}'", @output) if $?.exitstatus>0        

    if @log_to_file
      print_system "Captured output to #{output_file_name}", :notice                      
    else
      File.delete(output_file_name)
    end
    
    @output
  rescue Xcode::Shell::ExecutionError => e          
    print_system "Captured output to #{output_file_name}", :notice          
    print_system "Cropped #{e.output.count - 10} lines", :notice if @output.count>10
    @output.last(10).each do |line|
      print_output line.strip, :error
    end
    raise e      
  ensure
    @pipe.close unless @pipe.nil?
  end
end

#to_a ⇒ Object 



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# File 'lib/xcode/shell/command.rb', line 40

def to_a
  out = []
  out << @cmd
  out+=@args
  out+=(@env.map {|k,v| "#{k}=#{v}"})
  out
end

#to_s ⇒ Object 



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# File 'lib/xcode/shell/command.rb', line 36

def to_s
  "#{to_a.join(' ')}"
end