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/netmap/default.nix

@@ -0,0 +1,43 @@
+{ lib
+, buildPythonPackage
+, fetchFromGitHub
+, substituteAll
+, nmap
+, python
+}:
+
+buildPythonPackage rec {
+  pname = "netmap";
+  version = "0.7.0.2";
+
+  src = fetchFromGitHub {
+    owner = "home-assistant-libs";
+    repo = "python-nmap";
+    rev = version;
+    sha256 = "1a44zz9zsxy48ahlpjjrddpyfi7cnfknicfcp35hi588qm430mag";
+  };
+
+  patches = [
+    (substituteAll {
+      src = ./nmap-path.patch;
+      nmap = "${lib.getBin nmap}/bin/nmap";
+    })
+  ];
+
+  # upstream tests require sudo
+  # make sure nmap is found instead
+  checkPhase = ''
+    runHook preCheck
+    ${python.interpreter} -c 'import nmap; nmap.PortScanner()'
+    runHook postCheck
+  '';
+
+  pythonImportsCheck = [ "nmap" ];
+
+  meta = with lib; {
+    description = "Python class to use nmap and access scan results from python3";
+    homepage = "https://github.com/home-assistant-libs/python-nmap";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ dotlambda ];
+  };
+}

pkgs/development/python-modules/netmap/nmap-path.patch

@@ -0,0 +1,17 @@
+diff --git a/nmap/nmap.py b/nmap/nmap.py
+index 91c460d..8c5ff0a 100755
+--- a/nmap/nmap.py
++++ b/nmap/nmap.py
+@@ -77,11 +77,7 @@ class PortScanner(object):
+     def __init__(
+         self,
+         nmap_search_path=(
+-            "nmap",
+-            "/usr/bin/nmap",
+-            "/usr/local/bin/nmap",
+-            "/sw/bin/nmap",
+-            "/opt/local/bin/nmap",
++            "@nmap@",
+         ),
+     ):
+         """