Class: MicroInstall::Installer

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hl = HighLine.new($stdin, $stdout)) ⇒ Installer

Returns a new instance of Installer.



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# File 'lib/micro_install.rb', line 14

def initialize(hl = HighLine.new($stdin, $stdout))
  @hl = hl
end

Instance Attribute Details

#arch ⇒ Object (readonly)

Returns the value of attribute arch.



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# File 'lib/micro_install.rb', line 13

def arch
  @arch
end

Instance Method Details

#download_micro_tar(hl = @hl) ⇒ Object 



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# File 'lib/micro_install.rb', line 80

def download_micro_tar(hl = @hl)
  hl.say "Downloading... "
  MicroInstall. {
    File.open("micro-#{@tag}-#{@arch}.tar.gz", "wb") do |saved_file|
      # the following "open" is provided by open-uri
      URI.open("#{@download_url}") do |read_file|
        saved_file.write(read_file.read)
      end
    end
  }
  print "\n"
end

#download_url(hl = @hl) ⇒ Object 



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

def download_url(hl = @hl)
  @download_url = "https://github.com/zyedidia/micro/releases/download/v#{@tag}/micro-#{@tag}-#{@arch}.tar.gz"
  hl.say("#{Paint['URL', 'yellow']}: #{@download_url}")
end

#extract_micro(hl = @hl) ⇒ Object 



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# File 'lib/micro_install.rb', line 93

def extract_micro(hl = @hl)
  begin
    hl.say Paint["Extracting micro-#{@tag}-#{@arch}.tar.gz", 'yellow']
    micro_tar = Gem::Package::TarReader.new(Zlib::GzipReader.open("micro-#{@tag}-#{@arch}.tar.gz"))
    micro_tar.rewind
    dest = nil
    micro_tar.each do |entry|
      dest ||= Pathname(Dir.home).realdirpath.join(entry.full_name).to_path
      if entry.directory?
        File.delete dest if File.file? dest
        FileUtils::Verbose.mkdir_p dest, :mode => entry.header.mode
      elsif entry.file?
        FileUtils::Verbose.rm_rf dest if File.directory? dest
        File.open dest, "wb" do |f|
          f.print entry.read
        end
        FileUtils::Verbose.chmod entry.header.mode, dest
      elsif entry.header.typeflag == '2' #Symlink!
        File.symlink entry.header.linkname, dest
      end
      dest = nil
    end
  rescue
    hl.say "#{Paint['Error']}: Could not extract micro due to an error."

  end

end

#get_arch(hl = @hl) ⇒ Object 



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# File 'lib/micro_install.rb', line 30

def get_arch(hl = @hl)
  begin
    host_os = OS.config['host_os']
    bits    = OS.bits.to_s
    case host_os
    when "linux-gnu"
      if bits == "64"
        @arch = 'linux64'
      elsif bits == "32"
        @arch = 'linux32'
      end
    when "darwin"
      @arch = 'osx'
    when "freebsd"
      if bits == "64"
        @arch = 'freebsd64'
      elsif bits == "32"
        @arch = 'freebsd32'
      end
    when "openbsd"
      if bits == "64"
        @arch = 'openbsd64'
      elsif bits == "32"
        @arch = 'openbsd32'
      end
    when "netbsd"
      if bits == "64"
        @arch = 'netbsd64'
      elsif bits == "32"
        @arch = 'netbsd32'
      end

    end
    if OS.config['host_cpu'] == 'arm' or OS.config['host_os'] =~ /linux-arm/ or OS.config['host_os'] =~ /arm-linux/
      @arch = 'linux-arm'
    end
    if @arch.nil?
      raise MicroInstall::LookupError.new 'Unable to determine your system'
    end
  rescue MicroInstall::LookupError => e
    hl.say "#{Paint['Error', 'red']}: #{e}"
  end

end

#install_micro(hl = @hl) ⇒ Object 



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# File 'lib/micro_install.rb', line 122

def install_micro(hl = @hl)
  hl.say "#{Paint['Checking if ~/.local/bin exists.', 'yellow']}"
  if Dir.exist? Pathname(Dir.home).join('.local/bin')
    hl.say "'~/.local/bin' exists."
  else
    hl.say "'~/.local/bin' doesn't exist, creating."
    begin
      FileUtils.mkdir_p(Pathname(Dir.home).join('.local/bin'))
      hl.say "created '~/.local/bin'"
    rescue Errno::ENOENT => e
      hl.say "#{Paint['Error', 'red']}: #{e}"
    end
  end
  begin
    FileUtils.cp(Pathname(Dir.home).join("micro-#{@tag}/micro"), Pathname(Dir.home).join('.local/bin/'))
    hl.say Paint["Installed 'micro' to ~/.local/bin/"]
  rescue Errno::ENOENT => e
    hl.say "#{Paint['Error', 'red']}: #{e}"
  end
  begin
    FileUtils.rm("micro-#{@tag}-#{@arch}.tar.gz")
  rescue Errno::ENOENT => e
    hl.say "#{Paint['Error', 'red']}: #{e}"
  end
  begin
    FileUtils.rm_r(Pathname(Dir.home).join("micro-#{@tag}"), :secure => true)
  rescue Errno::ENOENT => e
    hl.say "#{Paint['Error', 'red']}: #{e}"
  end
end

#is_installed(hl = @hl) ⇒ Object 



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# File 'lib/micro_install.rb', line 153

def is_installed(hl = @hl)
  hl.say [
             "Micro has been installed to your ~/.local/bin/ directory. You can run it with:",
             "'micro'"
         ].join
end

#is_installed_but_no_bin(hl = @hl) ⇒ Object 



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# File 'lib/micro_install.rb', line 160

def is_installed_but_no_bin(hl = @hl)
  hl.say [
             "Micro is installed to ~/.local/bin/, but can't run,",
             "Please check your ~/.bashrc and/or ~/.profile and/or ~/.zshrc and see",
             "if '~/.local/bin/' is being added to the PATH variable"
         ]
end

#latesttag(hl = @hl) ⇒ Object 



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# File 'lib/micro_install.rb', line 18

def latesttag(hl = @hl)
  begin
    hl.say "#{Paint["Getting Latest Tag", 'green']}"
    MicroInstall. {
      @tag = "2.0.13"
    }
    hl.say "#{Paint['Latest Tag', 'green']}: #{Paint[@tag, 'yellow']}"
  rescue
    hl.say "#{Paint['Error', 'red']}: Unable to retrieve latest release."
  end
end