hydra jobset support for aarch64-darwin

Changed files
+2
pkgs
top-level
+2
pkgs/top-level/release-lib.nix
···
pkgs_x86_64_linux = packageSet' { system = "x86_64-linux"; };
pkgs_i686_linux = packageSet' { system = "i686-linux"; };
pkgs_aarch64_linux = packageSet' { system = "aarch64-linux"; };
+
pkgs_aarch64_darwin = packageSet' { system = "aarch64-darwin"; };
pkgs_armv6l_linux = packageSet' { system = "armv6l-linux"; };
pkgs_armv7l_linux = packageSet' { system = "armv7l-linux"; };
pkgs_x86_64_darwin = packageSet' { system = "x86_64-darwin"; };
···
if system == "x86_64-linux" then pkgs_x86_64_linux
else if system == "i686-linux" then pkgs_i686_linux
else if system == "aarch64-linux" then pkgs_aarch64_linux
+
else if system == "aarch64-darwin" then pkgs_aarch64_darwin
else if system == "armv6l-linux" then pkgs_armv6l_linux
else if system == "armv7l-linux" then pkgs_armv7l_linux
else if system == "x86_64-darwin" then pkgs_x86_64_darwin