class Dockerhelper::Command
Attributes
chdir[R]
cmd[R]
label[R]
Public Class Methods
new(cmd, label: '', chdir: Dir.pwd)
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# File lib/dockerhelper/command.rb, line 7 def initialize(cmd, label: '', chdir: Dir.pwd) @label = " #{label}" if label.size > 0 @cmd = cmd @chdir = chdir end
Public Instance Methods
capture()
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# File lib/dockerhelper/command.rb, line 13 def capture stdout, stderr, status = Open3.capture3(cmd) pid = status.pid cmd_prefix = "[#{pid}#{label}]" $stdout.puts ">> #{yellow(cmd_prefix)} cwd: #{chdir} cmd: #{cmd}" unless stdout.empty? stdout.lines.each do |line| $stdout.puts " #{green(cmd_prefix)} #{line}" end end unless stderr.empty? stderr.lines.each do |line| $stderr.puts " #{red(cmd_prefix)} #{line}" end end $stdout.puts "<< #{yellow(cmd_prefix)} exit_status: #{status}" stdout end
colorize(text, color_code)
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# File lib/dockerhelper/command.rb, line 62 def colorize(text, color_code) "\e[#{color_code}m#{text}\e[0m" end
green(text)
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# File lib/dockerhelper/command.rb, line 67 def green(text); colorize(text, 32); end
red(text)
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# File lib/dockerhelper/command.rb, line 66 def red(text); colorize(text, 31); end
run()
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# File lib/dockerhelper/command.rb, line 35 def run Open3.popen3(cmd, chdir: chdir) do |stdin, stdout, stderr, wait_thr| pid = wait_thr.pid cmd_prefix = "[#{pid}#{label}]" $stdout.puts ">> #{yellow(cmd_prefix)} cwd: #{chdir} cmd: #{cmd}" stdin.close stderr_thr = Thread.new do while line = stderr.gets $stderr.puts " #{red(cmd_prefix)} #{line}" end end stdout_thr = Thread.new do while line = stdout.gets $stdout.puts " #{green(cmd_prefix)} #{line}" end end stderr_thr.join stdout_thr.join exit_status = wait_thr.value $stdout.puts "<< #{yellow(cmd_prefix)} exit_status: #{exit_status}" end end
yellow(text)
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# File lib/dockerhelper/command.rb, line 68 def yellow(text); colorize(text, 33); end