From dbd8269eabc92f69c80fa09549ee3b4fd74ba8a4 Mon Sep 17 00:00:00 2001
From: Pavel Shirshov <pshirshov@eml.cc>
Date: Sat, 11 Sep 2021 16:52:10 +0100
Subject: [PATCH 1/2] maintainers: add pshirshov

---
 maintainers/maintainer-list.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 09c65a77fde0..e9ef7051d1e7 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -8806,6 +8806,12 @@
     githubId = 33375;
     name = "Peter Sanford";
   };
+  pshirshov = {
+    email = "pshirshov@eml.cc";
+    github = "pshirshov";
+    githubId = 295225;
+    name = "Pavel Shirshov";
+  };
   psibi = {
     email = "sibi@psibi.in";
     github = "psibi";

From bc4d8649d9de90c710b290faf984417c0390b660 Mon Sep 17 00:00:00 2001
From: Pavel Shirshov <pshirshov@eml.cc>
Date: Sat, 11 Sep 2021 16:52:10 +0100
Subject: [PATCH 2/2] dcp9020cdw{lpr,-cupswrapper}: init at 1.1.2

---
 .../drivers/brother/dcp9020cdw/default.nix    | 99 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  4 +
 2 files changed, 103 insertions(+)
 create mode 100644 pkgs/misc/cups/drivers/brother/dcp9020cdw/default.nix

diff --git a/pkgs/misc/cups/drivers/brother/dcp9020cdw/default.nix b/pkgs/misc/cups/drivers/brother/dcp9020cdw/default.nix
new file mode 100644
index 000000000000..0ecbbd8b55e5
--- /dev/null
+++ b/pkgs/misc/cups/drivers/brother/dcp9020cdw/default.nix
@@ -0,0 +1,99 @@
+{ lib
+, stdenv
+, fetchurl
+, cups
+, dpkg
+, gnused
+, makeWrapper
+, ghostscript
+, file
+, a2ps
+, coreutils
+, gnugrep
+, which
+, gawk
+}:
+
+let
+  version = "1.1.2";
+  model = "dcp9020cdw";
+in
+rec {
+  driver = stdenv.mkDerivation {
+    pname = "${model}-lpr";
+    inherit version;
+
+    src = fetchurl {
+      url = "https://download.brother.com/welcome/dlf100441/dcp9020cdwlpr-${version}-1.i386.deb";
+      sha256 = "1z6nma489s0a0b0a8wyg38yxanz4k99dg29fyjs4jlprsvmwk56y";
+    };
+
+    nativeBuildInputs = [ dpkg makeWrapper ];
+    buildInputs = [ cups ghostscript a2ps gawk ];
+    unpackPhase = "dpkg-deb -x $src $out";
+
+    installPhase = ''
+      substituteInPlace $out/opt/brother/Printers/${model}/lpd/filter${model} \
+      --replace /opt "$out/opt"
+
+      patchelf --set-interpreter $(cat $NIX_CC/nix-support/dynamic-linker) \
+      $out/opt/brother/Printers/${model}/lpd/br${model}filter
+
+      mkdir -p $out/lib/cups/filter/
+      ln -s $out/opt/brother/Printers/${model}/lpd/filter${model} $out/lib/cups/filter/brother_lpdwrapper_${model}
+
+      wrapProgram $out/opt/brother/Printers/${model}/lpd/filter${model} \
+        --prefix PATH ":" ${lib.makeBinPath [
+          gawk
+          ghostscript
+          a2ps
+          file
+          gnused
+          gnugrep
+          coreutils
+          which
+        ]}
+    '';
+
+    meta = with lib; {
+      homepage = "http://www.brother.com/";
+      description = "Brother ${model} printer driver";
+      license = licenses.unfree;
+      platforms = platforms.linux;
+      downloadPage = "https://support.brother.com/g/b/downloadlist.aspx?c=gb&lang=en&prod=${model}_eu&os=128";
+      maintainers = with maintainers; [ pshirshov ];
+    };
+  };
+
+  cupswrapper = stdenv.mkDerivation {
+    pname = "${model}-cupswrapper";
+    inherit version;
+
+    src = fetchurl {
+      url = "https://download.brother.com/welcome/dlf100443/dcp9020cdwcupswrapper-${version}-1.i386.deb";
+      sha256 = "04yqm1qv9p4hgp1p6mqq4siygl4056s6flv6kqln8mvmcr8zaq1s";
+    };
+
+    nativeBuildInputs = [ dpkg makeWrapper ];
+    buildInputs = [ cups ghostscript a2ps gawk ];
+    unpackPhase = "dpkg-deb -x $src $out";
+
+    installPhase = ''
+      for f in $out/opt/brother/Printers/${model}/cupswrapper/cupswrapper${model}; do
+        wrapProgram $f --prefix PATH : ${lib.makeBinPath [ coreutils ghostscript gnugrep gnused ]}
+      done
+
+      mkdir -p $out/share/cups/model
+      ln -s $out/opt/brother/Printers/${model}/cupswrapper/brother_${model}_printer_en.ppd $out/share/cups/model/
+    '';
+
+    meta = with lib; {
+      homepage = "http://www.brother.com/";
+      description = "Brother ${model} printer CUPS wrapper driver";
+      license = licenses.unfree;
+      platforms = platforms.linux;
+      downloadPage = "https://support.brother.com/g/b/downloadlist.aspx?c=gb&lang=en&prod=${model}_eu&os=128";
+      maintainers = with maintainers; [ pshirshov ];
+    };
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 5ee1d7976001..9548e4013cae 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -31428,6 +31428,10 @@ with pkgs;
 
   cups-bjnp = callPackage ../misc/cups/drivers/cups-bjnp { };
 
+  dcp9020cdwlpr = (pkgsi686Linux.callPackage ../misc/cups/drivers/brother/dcp9020cdw { }).driver;
+
+  dcp9020cdw-cupswrapper = (callPackage ../misc/cups/drivers/brother/dcp9020cdw { }).cupswrapper;
+
   cups-brother-hl1110 = pkgsi686Linux.callPackage ../misc/cups/drivers/hl1110 { };
 
   cups-brother-hl1210w = pkgsi686Linux.callPackage ../misc/cups/drivers/hl1210w { };