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



45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
 
# File 'lib/c0_setup.rb', line 45

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



62
63
64
65
66
67
68
69
70
71
72
 
# File 'lib/c0_setup.rb', line 62

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

#install_cc0 ⇒ Object 



74
75
76
77
78
79
80
81
 
# File 'lib/c0_setup.rb', line 74

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

#install_coin ⇒ Object 



83
84
85
86
87
88
89
90
 
# File 'lib/c0_setup.rb', line 83

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

#setup ⇒ Object

do the setup yo



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
40
41
42
 
# File 'lib/c0_setup.rb', line 9

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 



92
93
94
95
96
97
98
99
100
101
102
 
# File 'lib/c0_setup.rb', line 92

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