Class: C0Setup

Inherits:
Object
  • Object
show all
Defined in:
lib/c0_setup.rb

Instance Method Summary collapse

Instance Method Details

#check_precedence ⇒ Object

check for things that don’t exist yet



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# File 'lib/c0_setup.rb', line 46

def check_precedence
  Dir.chdir(File.expand_path("~")) do
    not_yet = []
    if which("cc0").nil?
      not_yet.push("cc0") 
    end
    if which("coin").nil?
      not_yet.push("coin") 
    end
    if !Dir.exist?(".c0")
      not_yet.push("runpath")
    end
    return not_yet
  end
end

#create_runpath ⇒ Object

create folder for binaries and set executable path



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# File 'lib/c0_setup.rb', line 63

def create_runpath
  Dir.chdir(File.expand_path("~")) do
    Dir.mkdir ".c0"
    File.new ".bashrc" unless File.exist? ".bashrc"
    File.open(".bashrc", "a") do |file|
      file.puts "export PATH=$PATH:~/.c0"
    end
    in_path = File.open(".bashrc", "r").read.include? "export PATH=$PATH:~/.c0"
    return (in_path and Dir.exist? ".c0")
  end
end

#get_os ⇒ Object 



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# File 'lib/c0_setup.rb', line 114

def get_os
    result = ""
    os = RbConfig::CONFIG['host_os']
    if os.downcase.include?('linux')
    result = 'linux'
    elsif os.downcase.include?('darwin')
    result = 'darwin'
  end
  return result
end

#install_cc0 ⇒ Object 



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# File 'lib/c0_setup.rb', line 75

def install_cc0
# copy the cc0 binary to "~/.c0"
  user = File.expand_path("~")
  Dir.chdir(File.dirname __dir__) do
    if get_os == "darwin"
      FileUtils.cp("./cc0_mac", "#{user}/.c0/cc0")
    elsif get_os == "linux"
      FileUtils.cp("./cc0_linux", "#{user}/.c0/cc0")
    end 
  end
  return File.exist?("#{user}/.c0/cc0")
end

#install_coin ⇒ Object 



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# File 'lib/c0_setup.rb', line 88

def install_coin
# copy the coin binary to "~/.c0"
  user = File.expand_path("~")
  Dir.chdir(File.dirname __dir__) do
    if get_os == "darwin"
      FileUtils.cp("./coin_mac", "#{user}/.c0/coin")
    elsif get_os == "linux"
      FileUtils.cp("./coin_linux", "#{user}/.c0/coin")
    end 
  end
  return File.exist?("#{user}/.c0/coin")
end

#setup ⇒ Object

do the setup yo



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# File 'lib/c0_setup.rb', line 10

def setup
  to_do = check_precedence()
  result = []
  if to_do.include? "runpath"
    if create_runpath
      result.push "successfully created runpath"
    else
      result.push "failed to create runpath"
      return result
    end
  else
    result.push ".c0 folder already exists, remove it and retry if broken"
    return result
  end
  if to_do.include? "cc0"
    if install_cc0
      result.push "successfully installed cc0"
    else
      result.push "failed to install cc0"
    end
  else
    result.push "cc0 is already installed somewhere, remove it and retry if broken"
  end
  if to_do.include? "coin"
    if install_coin
      result.push "successfully installed coin"
    else
      result.push "failed to install coin"
    end
  else
    result.push "cc0 is already installed somewhere, remove it and retry if broken"
  end
  return result
end

#which(cmd) ⇒ Object 



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# File 'lib/c0_setup.rb', line 101

def which(cmd)
# check for the presence of a binary in $PATH
  exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : ['']
  ENV['PATH'].split(File::PATH_SEPARATOR).each do |path|
    exts.each do |ext|
      exe = File.join(path, "#{cmd}#{ext}")
      return exe if File.executable?(exe) && !File.directory?(exe)
    end
  end
  return nil
end