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 



93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
 
# 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 



41
42
43
44
45
46
47
48
49
 
# 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 



51
52
53
54
55
56
57
58
59
60
61
62
63
64
 
# 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 



66
67
68
69
70
71
72
73
74
75
76
 
# 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 



78
79
80
81
82
83
84
85
86
87
88
89
90
91
 
# 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



4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
 
# 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