Merge remote-tracking branch 'upstream/master' into staging

Conflicts:
	pkgs/build-support/fetchbower/default.nix
	pkgs/build-support/fetchdarcs/default.nix
	pkgs/build-support/fetchgx/default.nix
	pkgs/development/python-modules/botocore/default.nix
	pkgs/os-specific/linux/firmware/firmware-linux-nonfree/default.nix
	pkgs/tools/admin/awscli/default.nix

pkgs/os-specific/linux/firmware/firmware-linux-nonfree/default.nix

@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     # traffic, so don't do that.
     preferLocalBuild = true;
 
-    buildInputs = [ cacert git gnupg ];
+    nativeBuildInputs = [ cacert git gnupg ];
   } ''
     git init src && (
       cd src