Class: LinuxInstaller

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

Class Method Summary collapse

Class Method Details

.check_or_install_arduino ⇒ Object 



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# File 'lib/rad/linux_installer.rb', line 93

def self.check_or_install_arduino 
	if File.exist?("/usr/local/arduino-0015")
		puts "arduino software previously installed at /usr/local/arduino-0015 !"
	else
		puts "installing arduino software..."
		%x{cd /usr/local/; wget http://arduino.googlecode.com/files/arduino-0015-linux.tgz}
		%x{tar -C /usr/local -xzf /usr/local/arduino-0015-linux.tgz}

		%x{ln -s /usr/local/arduino-0015/arduino ~/Desktop/arduino}

		# gotta patch it so it can run from command line or anywhere
		arduino_file = File.open("/usr/local/arduino-0015/arduino") {|f| f.read}
		new_doc = arduino_file.split("\n")
		new_doc[1] = "cd /usr/local/arduino-0015"
		File.open("/usr/local/arduino-0015/arduino", "w") {|f| f.puts new_doc }

		%x{mkdir -p /usr/local/arduino-0015/hardware/tools/avr/bin}
		# there is a difference from what the makefile expects to where it is
		%x{ln -s /usr/bin/avr-gcc /usr/local/arduino-0015/hardware/tools/avr/bin/avr-gcc}		
		%x{ln -s /usr/bin/avr-g++ /usr/local/arduino-0015/hardware/tools/avr/bin/avr-g++}
		%x{ln -s /usr/bin/avr-ar /usr/local/arduino-0015/hardware/tools/avr/bin/avr-ar}
		%x{ln -s /usr/bin/avr-objcopy /usr/local/arduino-0015/hardware/tools/avr/bin/avr-objcopy}
		%x{ln -s /usr/local/arduino-0015/hardware/tools/avrdude /usr/local/arduino-0015/hardware/tools/avr/bin/avrdude}
		%x{ln -s /usr/local/arduino-0015/hardware/tools/avrdude.conf /usr/local/arduino-0015/hardware/tools/avr/etc/avrdude.conf}


		puts
		puts "************************************************************************"
		puts "**  please add /usr/local/arduino-0015 to your path!                  **"
		puts "**  you will also need to run sudo update-alternatives --config java  **"
		puts "**  to choose java-1.50-sun as the default java                       **"
		puts "************************************************************************"
		puts
	end
	
end

.check_or_install_package(package_name) ⇒ Object 



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# File 'lib/rad/linux_installer.rb', line 41

def self.check_or_install_package(package_name)
	package = %x{dpkg --get-selections | grep #{package_name}}
	if package.include?("\tinstall")
		puts "#{package_name} installed!"
	else
		puts "installing #{package_name}..."
		%x{apt-get install -y #{package_name}}
	end
end

.check_or_nag_package(package_name, custom_msg = nil) ⇒ Object 



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# File 'lib/rad/linux_installer.rb', line 51

def self.check_or_nag_package(package_name, custom_msg = nil)
	package = %x{dpkg --get-selections | grep #{package_name}}
	if package.include?("\tinstall")
		puts "#{package_name} installed!"
	else
		puts "you will need to manually install #{package_name}! use the command below."
		if custom_msg
			puts custom_msg
		else
			puts "sudo apt-get install #{package_name}"
		end		
		exit
	end
end

.check_or_remove_package(package_name) ⇒ Object 



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# File 'lib/rad/linux_installer.rb', line 66

def self.check_or_remove_package(package_name)
	package = %x{dpkg --get-selections | grep #{package_name}}

	#an easier way to check for installed packages?
	if package.include?("\tinstall")
		puts "removing #{package_name}..."
		%x{apt-get remove -y #{package_name}}
	else
		puts "#{package_name} previously uninstalled!"
	end
end

.check_or_warn_for_usb_driver ⇒ Object 



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# File 'lib/rad/linux_installer.rb', line 78

def self.check_or_warn_for_usb_driver

	# check if usb device recognized by system
	puts "Please plug in your arduino to your usb port... [hit enter to continue]"
	STDIN.gets # we patiently wait

	usb = %x{dmesg | tail | grep "FTDI USB Serial" | grep -c "now attached"}

	if usb.to_i == 0
		# maybe we can be nice here and offer to download and install the driver package
		puts "the system is not recognizing your usb-serial driver, please re-install"
		exit
	end
end

.install! ⇒ Object

this is the thing we actually run to make something happen



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# File 'lib/rad/linux_installer.rb', line 4

def self.install!
  puts "Welcome to the RAD Linux Installer!"
  puts "-----------------------------------"
  puts "Let's begin."
  puts
  
  check_or_warn_for_usb_driver
  
  # of course we need rubygems
  # maybe just rely on the user installing rubygems, because the ubuntu one sux
  #check_or_install_package("rubygems")
  #%x{gem update --system}
  
  # we need java to make this ship float
  check_or_nag_package("sun-java5-jre")
  
  # remove a package that interferes with the arduino usb/serial driver
  check_or_remove_package("brltty")
  
  # install pre-requisites
  check_or_install_package("binutils-avr")
  check_or_install_package("gcc-avr")
  check_or_install_package("avr-libc")
  check_or_install_package("unzip")
  check_or_install_package("wget")
  
  # remove a probably out of date avrdude
  check_or_remove_package("avrdude")
  
  # install pre-requisites for avrdude if we wanted to build from source
  # nah, it comes with the arduino binary
  #check_or_install_package("gcc")
  #check_or_install_package("bison")
  #check_or_install_package("flex")
  check_or_install_arduino
end