uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/python-modules/acme-tiny/default.nix

@@ -0,0 +1,38 @@
+{ lib
+, buildPythonPackage
+, fetchPypi
+, setuptools-scm
+, fusepy
+, fuse
+, openssl
+}:
+
+buildPythonPackage rec {
+  pname = "acme-tiny";
+  version = "5.0.1";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "378549808eece574c3b5dcea82b216534949423d5c7ac241d9419212d676bc8d";
+  };
+
+  patchPhase = ''
+    substituteInPlace acme_tiny.py --replace '"openssl"' '"${openssl.bin}/bin/openssl"'
+    substituteInPlace tests/test_module.py --replace '"openssl"' '"${openssl.bin}/bin/openssl"'
+    substituteInPlace tests/utils.py --replace /etc/ssl/openssl.cnf ${openssl.out}/etc/ssl/openssl.cnf
+  '';
+
+  buildInputs = [ setuptools-scm ];
+
+  checkInputs = [ fusepy fuse ];
+
+  doCheck = false; # seems to hang, not sure
+
+  pythonImportsCheck = [ "acme_tiny" ];
+
+  meta = with lib; {
+    description = "A tiny script to issue and renew TLS certs from Let's Encrypt";
+    homepage = "https://github.com/diafygi/acme-tiny";
+    license = licenses.mit;
+  };
+}