Method: Specinfra::Command::Nixos::Base::Package.check_is_installed

Defined in:
lib/specinfra/command/nixos/base/package.rb

.check_is_installed(package, version = nil) ⇒ Object Also known as: check_is_installed_by_nix

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# File 'lib/specinfra/command/nixos/base/package.rb', line 3

def check_is_installed(package, version=nil)
  if version
    "nix-store -q --references /var/run/current-system/sw | grep #{escape(package)}-#{escape(version)}"
  else
    "nix-store -q --references /var/run/current-system/sw | grep #{escape(package)}"
  end
end