Class: Generamba::RemoteInstaller

Inherits:
AbstractInstaller show all
Defined in:
lib/generamba/template/installer/remote_installer.rb

Overview

Incapsulates the logic of fetching remote templates, verifying and installing them

Instance Method Summary collapse

Instance Method Details

#install_template(template_declaration) ⇒ Object 



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# File 'lib/generamba/template/installer/remote_installer.rb', line 11

def install_template(template_declaration)
  template_name = template_declaration.name
  puts("Installing #{template_name}...")

  repo_url = template_declaration.git
  repo_branch = template_declaration.branch

  temp_path = Dir.tmpdir()
  template_dir = Pathname.new(temp_path).join(template_name)

  if repo_branch != nil
    Git.export(repo_url, template_name, :branch => repo_branch, :path => temp_path)
  else
    Git.clone(repo_url, template_name, :path => temp_path)
  end

  template_path = "#{template_dir}"

  rambaspec_exist = Generamba::RambaspecValidator.validate_spec_existance(template_name, template_path)
  unless rambaspec_exist
    FileUtils.rm_rf(temp_path)
    error_description = "Cannot find #{template_name + RAMBASPEC_EXTENSION} in the root directory of specified repository.".red
    raise StandardError.new(error_description)
  end

  rambaspec_valid = Generamba::RambaspecValidator.validate_spec(template_name, template_path)
  unless rambaspec_valid
    error_description = "#{template_name + RAMBASPEC_EXTENSION} is not valid.".red
    raise StandardError.new(error_description)
  end

  install_path = Pathname.new(TEMPLATES_FOLDER)
                     .join(template_name)
  FileUtils.mkdir_p install_path
  FileUtils.copy_entry(template_path, install_path)

  FileUtils.rm_rf(temp_path)
end