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/pwntools/default.nix

@@ -0,0 +1,91 @@
+{ lib
+, buildPythonPackage
+, debugger
+, fetchPypi
+, Mako
+, packaging
+, pysocks
+, pygments
+, ropgadget
+, capstone
+, colored-traceback
+, paramiko
+, pip
+, psutil
+, pyelftools
+, pyserial
+, python-dateutil
+, requests
+, rpyc
+, tox
+, unicorn
+, intervaltree
+, installShellFiles
+}:
+
+let
+  debuggerName = lib.strings.getName debugger;
+in
+buildPythonPackage rec {
+  version = "4.8.0";
+  pname = "pwntools";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "sha256-QgUuLYg3EOTh2gQekWdabXGftOXvLdJFyyhT2hEmkpA=";
+  };
+
+  postPatch = ''
+    # Upstream has set an upper bound on unicorn because of https://github.com/Gallopsled/pwntools/issues/1538,
+    # but since that is a niche use case and it requires extra work to get unicorn 1.0.2rc3 to work we relax
+    # the bound here. Check if this is still necessary when updating!
+    sed -i 's/unicorn>=1.0.2rc1,<1.0.2rc4/unicorn>=1.0.2rc1/' setup.py
+
+    # Upstream hardcoded the check for the command `gdb-multiarch`;
+    # Forcefully use the provided debugger, as `gdb` (hence `pwndbg`) is built with multiarch in `nixpkgs`.
+    sed -i 's/gdb-multiarch/${debuggerName}/' pwnlib/gdb.py
+  '';
+
+  nativeBuildInputs = [
+    installShellFiles
+  ];
+
+  propagatedBuildInputs = [
+    Mako
+    packaging
+    pysocks
+    pygments
+    ropgadget
+    capstone
+    colored-traceback
+    paramiko
+    pip
+    psutil
+    pyelftools
+    pyserial
+    python-dateutil
+    requests
+    rpyc
+    tox
+    unicorn
+    intervaltree
+  ];
+
+  doCheck = false; # no setuptools tests for the package
+
+  postInstall = ''
+    installShellCompletion --bash extra/bash_completion.d/shellcraft
+  '';
+
+  postFixup = ''
+    mkdir -p "$out/bin"
+    makeWrapper "${debugger}/bin/${debuggerName}" "$out/bin/pwntools-gdb"
+  '';
+
+  meta = with lib; {
+    homepage = "http://pwntools.com";
+    description = "CTF framework and exploit development library";
+    license = licenses.mit;
+    maintainers = with maintainers; [ bennofs kristoff3r pamplemousse ];
+  };
+}