Prototype derivation for Peter's printer

configuration.nix

@@ -187,6 +187,8 @@ in
     (python311.withPackages (pythonPackages: with pythonPackages; [
       urwid
     ]))
+
+    # (pkgs.callPackage ./mfcl2690dw/default.nix { })
   ];
 
   networking.firewall.allowedTCPPorts = [ 22 ];

mfcl2690dw/default.nix

@@ -0,0 +1,44 @@
+{ pkgsi686Linux, lib, stdenv, fetchurl, dpkg, makeWrapper, coreutils, ghostscript, gnugrep, gnused, which, perl }:
+
+stdenv.mkDerivation rec {
+  pname = "mfcl2690dwpdrv";
+  version = "4.0.0-1";
+
+  src = fetchurl {
+    url = "https://download.brother.com/welcome/dlf101727/${pname}-${version}.i386.deb";
+    sha256 = "765da49f1f0d68ed36ba553e6e60aa5030e87845b74afe0d7d46ebab28ab5256";
+  };
+
+  nativeBuildInputs = [ dpkg makeWrapper ];
+
+  unpackPhase = "dpkg-deb -x $src $out";
+
+  installPhase = ''
+    dir=$out/opt/brother/Printers/MFCL2690DW
+
+    substituteInPlace $dir/lpd/lpdfilter \
+      --replace /usr/bin/perl ${perl}/bin/perl \
+      --replace "BR_PRT_PATH =~" "BR_PRT_PATH = \"$dir\"; #" \
+      --replace "PRINTER =~" "PRINTER = \"MFCL2690DW\"; #"
+
+    wrapProgram $dir/lpd/filter_MFCL2690DW \
+      --prefix PATH : ${lib.makeBinPath [
+        coreutils ghostscript gnugrep gnused which
+      ]}
+
+    # need to use i686 glibc here, these are 32bit proprietary binaries
+    interpreter=${pkgsi686Linux.glibc}/lib/ld-linux.so.2
+    patchelf --set-interpreter "$interpreter" $dir/inf/braddprinter
+    patchelf --set-interpreter "$interpreter" $dir/lpd/brprintconflsr3
+    patchelf --set-interpreter "$interpreter" $dir/lpd/rawtobr3
+  '';
+
+  meta = {
+    description = "Brother MFC-L2690DW lpr driver";
+    homepage = "http://www.brother.com/";
+    sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
+    license = lib.licenses.unfree;
+    platforms = [ "x86_64-linux" "i686-linux" ];
+    maintainers = [ lib.maintainers.Enzime ];
+  };
+}