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