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/tools/networking/ipgrep/default.nix

@@ -0,0 +1,38 @@
+{ lib, fetchFromGitHub, python3Packages }:
+
+python3Packages.buildPythonApplication rec {
+  version = "1.0.1";
+  pname = "ipgrep";
+
+  disabled = python3Packages.isPy27;
+
+  src = fetchFromGitHub {
+    owner = "jedisct1";
+    repo = pname;
+    rev = version;
+    hash = "sha256-NrhcUFQM+L66KaDRRpAoC+z5s54a+1fqEepTRXVZ5Qs=";
+  };
+
+  patchPhase = ''
+    mkdir -p ${pname}
+    substituteInPlace setup.py \
+      --replace "'scripts': []" "'scripts': { '${pname}.py' }"
+  '';
+
+  propagatedBuildInputs = with python3Packages; [
+    pycares
+    urllib3
+    requests
+  ];
+
+  meta = with lib; {
+    description = "Extract, defang, resolve names and IPs from text";
+    longDescription = ''
+      ipgrep extracts possibly obfuscated host names and IP addresses
+      from text, resolves host names, and prints them, sorted by ASN.
+    '';
+    license = licenses.mit;
+    maintainers = with maintainers; [ leenaars ];
+    platforms = platforms.all;
+  };
+}