Class: Akabei::ChrootTree

Inherits:
Object
  • Object
show all
Extended by:
AttrPath
Defined in:
lib/akabei/chroot_tree.rb

Constant Summary collapse

BASE_PACKAGES = 
%w[base base-devel sudo]

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from AttrPath

attr_path_accessor, attr_path_writer

Constructor Details

#initialize(root, arch) ⇒ ChrootTree

Returns a new instance of ChrootTree.



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# File 'lib/akabei/chroot_tree.rb', line 13

def initialize(root, arch)
  @root = root && Pathname.new(root).tap(&:mkpath).realpath
  @arch = arch
end

Instance Attribute Details

#arch ⇒ Object (readonly)

Returns the value of attribute arch.



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# File 'lib/akabei/chroot_tree.rb', line 9

def arch
  @arch
end

#root ⇒ Object (readonly)

Returns the value of attribute root.



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# File 'lib/akabei/chroot_tree.rb', line 9

def root
  @root
end

Instance Method Details

#makechrootpkg(dir, env) ⇒ Object 



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# File 'lib/akabei/chroot_tree.rb', line 38

def makechrootpkg(dir, env)
  System.sudo(['makechrootpkg', '-cur', @root], chdir: dir, env: env, arch: @arch)
end

#mkarchroot(args) ⇒ Object 



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# File 'lib/akabei/chroot_tree.rb', line 42

def mkarchroot(args)
  cmd = ['mkarchroot']
  [['-M', makepkg_config], ['-C', pacman_config]].each do |flag, path|
    if path
      cmd << flag << path
    end
  end
  cmd << @root.join('root')
  System.sudo(cmd + args, arch: @arch)
end

#with_chroot(&block) ⇒ Object 



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# File 'lib/akabei/chroot_tree.rb', line 20

def with_chroot(&block)
  if @root
    unless @root.join('root').directory?
      mkarchroot(BASE_PACKAGES)
    end
    block.call
  else
    @root = Pathname.new(Dir.mktmpdir)
    begin
      mkarchroot(BASE_PACKAGES)
      block.call
    ensure
      System.sudo(['rm', '-rf', @root], {})
      @root = nil
    end
  end
end