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/applications/networking/irc/weechat/scripts/weechat-otr/default.nix

@@ -0,0 +1,77 @@
+{ lib, stdenv, substituteAll, buildEnv, fetchgit, fetchFromGitHub, python3Packages, gmp }:
+
+let
+  # pure-python-otr (potr) requires an older version of pycrypto, which is
+  # not compatible with pycryptodome. Therefore, the latest patched version
+  # of pycrypto will be fetched from the Debian project.
+  # https://security-tracker.debian.org/tracker/source-package/python-crypto
+
+  pycrypto = python3Packages.buildPythonPackage rec {
+    pname = "pycrypto";
+    version = "2.6.1-13.1";
+
+    src = fetchgit {
+      url = "https://salsa.debian.org/sramacher/python-crypto.git";
+      rev = "debian/${version}";
+      sha256 = "1mahqmlgilgk0rn5hfkhza7kscfm7agdakkb6rqnif9g0qp3s52f";
+    };
+
+    postPatch = ''
+      for p in debian/patches/*.patch; do
+        patch -p1 < "$p"
+      done
+    '';
+
+    buildInputs = [ gmp ];
+
+    # Tests are relying on old Python 2 modules.
+    doCheck = false;
+
+    preConfigure = ''
+      sed -i 's,/usr/include,/no-such-dir,' configure
+      sed -i "s!,'/usr/include/'!!" setup.py
+    '';
+  };
+
+  potr = python3Packages.potr.overridePythonAttrs (oldAttrs: {
+    propagatedBuildInputs = [ pycrypto ];
+  });
+in stdenv.mkDerivation rec {
+  pname = "weechat-otr";
+  version = "1.9.2";
+
+  src = fetchFromGitHub {
+    repo = pname;
+    owner = "mmb";
+    rev = "v${version}";
+    sha256 = "1lngv98y6883vk8z2628cl4d5y8jxy39w8245gjdvshl8g18k5s2";
+  };
+
+  patches = [
+    (substituteAll {
+      src = ./libpath.patch;
+      env = "${buildEnv {
+        name = "weechat-otr-env";
+        paths = [ potr pycrypto ];
+      }}/${python3Packages.python.sitePackages}";
+    })
+  ];
+
+  passthru.scripts = [ "weechat_otr.py" ];
+
+  installPhase = ''
+    mkdir -p $out/share
+    cp weechat_otr.py $out/share/weechat_otr.py
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/mmb/weechat-otr";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ oxzi ];
+    description = "WeeChat script for Off-the-Record messaging";
+    knownVulnerabilities = [
+      "There is no upstream release since 2018-03."
+      "Utilizes deprecated and vulnerable pycrypto library with Debian patches from 2020-04."
+    ];
+  };
+}