Merge remote-tracking branch 'ni/master' into 18.09

19 files changed, 331 insertions, 71 deletions

diff --git a/krebs/5pkgs/haskell/blessings.nix b/krebs/5pkgs/haskell/blessings.nix
index f852b4a44..59c5b7984 100644
--- a/krebs/5pkgs/haskell/blessings.nix
+++ b/krebs/5pkgs/haskell/blessings.nix
@@ -1,11 +1,24 @@
-{ mkDerivation, base, fetchgit, stdenv }:
-mkDerivation rec {
+with import <stockholm/lib>;
+{ mkDerivation, base, fetchgit, stdenv }: let
+
+  cfg = {
+    "18.03" = {
+      version = "1.1.0";
+      sha256 = "1k908zap3694fcxdk4bb29s54b0lhdh557y10ybjskfwnym7szn1";
+    };
+    "18.09" = {
+      version = "1.2.0";
+      sha256 = "03hz43ixww0h4fwxqrlrlvmj3pxswhb50ijaapwjz8457il2r300";
+    };
+  }.${versions.majorMinor nixpkgsVersion};
+
+in mkDerivation {
   pname = "blessings";
-  version = "1.1.0";
+  version = cfg.version;
   src = fetchgit {
     url = http://cgit.ni.krebsco.de/blessings;
-    rev = "refs/tags/v${version}";
-    sha256 = "1k908zap3694fcxdk4bb29s54b0lhdh557y10ybjskfwnym7szn1";
+    rev = "refs/tags/v${cfg.version}";
+    sha256 = cfg.sha256;
   };
   libraryHaskellDepends = [ base ];
   doHaddock = false;
diff --git a/krebs/5pkgs/haskell/email-header.nix b/krebs/5pkgs/haskell/email-header.nix
index b54240809..4049168c1 100644
--- a/krebs/5pkgs/haskell/email-header.nix
+++ b/krebs/5pkgs/haskell/email-header.nix
@@ -1,14 +1,29 @@
+with import <stockholm/lib>;
 { mkDerivation, attoparsec, base, base64-bytestring, bytestring
 , case-insensitive, containers, exceptions, fetchgit, QuickCheck
 , stdenv, tasty, tasty-quickcheck, text, text-icu, time
-}:
-mkDerivation {
+}: let
+
+  cfg = {
+    "18.03" = {
+      version = "0.3.0";
+      rev = "7b179bd31192ead8afe7a0b6e34bcad4039deaa8";
+      sha256 = "12j2n3sbvzjnw99gga7kkdygm8n3qx2lh8q26ad6a53xm5whnz59";
+    };
+    "18.09" = {
+      version = "0.4.1-tv1";
+      rev = "refs/tags/v${cfg.version}";
+      sha256 = "11xjivpj495r2ss9aqljnpzzycb57cm4sr7yzmf939rzwsd3ib0x";
+    };
+  }.${versions.majorMinor nixpkgsVersion};
+
+in mkDerivation {
   pname = "email-header";
-  version = "0.3.0";
+  version = cfg.version;
   src = fetchgit {
     url = "https://github.com/4z3/email-header";
-    rev = "7b179bd31192ead8afe7a0b6e34bcad4039deaa8";
-    sha256 = "12j2n3sbvzjnw99gga7kkdygm8n3qx2lh8q26ad6a53xm5whnz59";
+    rev = cfg.rev;
+    sha256 = cfg.sha256;
   };
   buildDepends = [
     attoparsec base base64-bytestring bytestring case-insensitive
diff --git a/krebs/5pkgs/haskell/hyphenation.nix b/krebs/5pkgs/haskell/hyphenation.nix
deleted file mode 100644
index 6e5fe9455..000000000
--- a/krebs/5pkgs/haskell/hyphenation.nix
+++ /dev/null
@@ -1,17 +0,0 @@
-# Same as upstream but with doCheck = false because doctest has wrong version.
-{ mkDerivation, base, bytestring, containers, directory
-, filepath, unordered-containers, zlib, stdenv
-}:
-mkDerivation {
-  pname = "hyphenation";
-  version = "0.6";
-  sha256 = "2f673666c18f63581422f7c6389b78b0ff754406671296a3d680d417942512f7";
-  libraryHaskellDepends = [
-    base bytestring containers unordered-containers zlib
-  ];
-  homepage = "http://github.com/ekmett/hyphenation";
-  description = "Configurable Knuth-Liang hyphenation";
-  license = stdenv.lib.licenses.bsd3;
-  hydraPlatforms = stdenv.lib.platforms.none;
-  doCheck = false;
-}
diff --git a/tv/1systems/mu/config.nix b/tv/1systems/mu/config.nix
index f51366546..c26d4ab30 100644
--- a/tv/1systems/mu/config.nix
+++ b/tv/1systems/mu/config.nix
@@ -3,6 +3,7 @@ with import <stockholm/lib>;
 
   imports = [
     <stockholm/tv>
+    <stockholm/tv/2configs/br.nix>
     <stockholm/tv/2configs/exim-retiolum.nix>
     <stockholm/tv/2configs/retiolum.nix>
   ];
@@ -90,20 +91,6 @@ with import <stockholm/lib>;
     pkgs.xlibs.fontschumachermisc
   ];
 
-  # Enable CUPS to print documents.
-  services.printing = {
-    enable = true;
-    #drivers = [
-    #  #pkgs.foomatic_filters
-    #  #pkgs.gutenprint
-    #  #pkgs.cups_pdf_filter
-    #  #pkgs.ghostscript
-    #];
-    #cupsdConf = ''
-    #  LogLevel debug2
-    #'';
-  };
-
   services.xserver.enable = true;
   services.xserver.layout = "de";
   services.xserver.xkbOptions = "eurosign:e";
diff --git a/tv/1systems/querel/config.nix b/tv/1systems/querel/config.nix
index 5f981c64c..01d67b5f5 100644
--- a/tv/1systems/querel/config.nix
+++ b/tv/1systems/querel/config.nix
@@ -2,10 +2,9 @@ with import <stockholm/lib>;
 { config, pkgs, ... }: {
 
   imports = [
-    <stockholm/krebs>
-    <stockholm/tv/2configs>
-    <stockholm/tv/3modules>
+    <stockholm/tv>
     <stockholm/tv/2configs/retiolum.nix>
+    <stockholm/tv/2configs/xp-332.nix>
   ];
 
   krebs.build.host = config.krebs.hosts.querel;
@@ -37,6 +36,7 @@ with import <stockholm/lib>;
     sxiv
     texlive.combined.scheme-full
     vim
+    xsane
     zathura
   ];
 
@@ -67,10 +67,6 @@ with import <stockholm/lib>;
 
   programs.ssh.startAgent = false;
 
-  services.printing = {
-    enable = true;
-  };
-
   services.xserver.enable = true;
   services.xserver.layout = "de";
   services.xserver.xkbOptions = "eurosign:e";
diff --git a/tv/1systems/xu/config.nix b/tv/1systems/xu/config.nix
index 14926fe3b..5421cab92 100644
--- a/tv/1systems/xu/config.nix
+++ b/tv/1systems/xu/config.nix
@@ -18,6 +18,7 @@ with import <stockholm/lib>;
     <stockholm/tv/2configs/retiolum.nix>
     <stockholm/tv/2configs/binary-cache>
     <stockholm/tv/2configs/br.nix>
+    <stockholm/tv/2configs/xp-332.nix>
     <stockholm/tv/2configs/xserver>
     {
       environment.systemPackages = with pkgs; [
@@ -40,7 +41,6 @@ with import <stockholm/lib>;
         mkpasswd
         netcat
         netcup
-        nix-repl
         nmap
         p7zip
         pass
@@ -147,8 +147,6 @@ with import <stockholm/lib>;
     gptfdisk
   ];
 
-  services.printing.enable = true;
-
   #services.bitlbee.enable = true;
   #services.tor.client.enable = true;
   #services.tor.enable = true;
diff --git a/tv/2configs/backup.nix b/tv/2configs/backup.nix
index 14d381568..f8de72d00 100644
--- a/tv/2configs/backup.nix
+++ b/tv/2configs/backup.nix
@@ -26,7 +26,7 @@ with import <stockholm/lib>;
       method = "pull";
       src = { host = config.krebs.hosts.querel; path = "/home"; };
       dst = { host = config.krebs.hosts.nomic; path = "/fs/ponyhof/bku/querel-home"; };
-      startAt = "00:00";
+      startAt = "22:00";
     };
     wu-home-xu = {
       method = "push";
diff --git a/tv/2configs/bash/default.nix b/tv/2configs/bash/default.nix
index 546b2e7b7..b75ad8bfc 100644
--- a/tv/2configs/bash/default.nix
+++ b/tv/2configs/bash/default.nix
@@ -33,11 +33,13 @@ with import <stockholm/lib>;
         PS1="ssh-agent[$SSH_AGENT_PID] $PS1"
       fi
 
-      case ''${XMONAD_SPAWN_WORKSPACE-} in
-        stockholm)
-          cd ~/stockholm
-        ;;
-      esac
+      if test ''${SHLVL-1} = 1; then
+        case ''${XMONAD_SPAWN_WORKSPACE-} in
+          stockholm)
+            cd ~/stockholm
+          ;;
+        esac
+      fi
     '';
   };
 }
diff --git a/tv/2configs/xp-332.nix b/tv/2configs/xp-332.nix
new file mode 100644
index 000000000..627401dc6
--- /dev/null
+++ b/tv/2configs/xp-332.nix
@@ -0,0 +1,45 @@
+with import <stockholm/lib>;
+{ config, pkgs, ... }: {
+
+  environment.etc."utsushi.conf".text = ''
+    [devices]
+    dev1.udi = esci:networkscan://EPSON79678C.fritz.box:1865
+    dev1.model = XP-332
+    dev1.vendor = EPSON
+  '';
+
+  hardware.sane = {
+    enable = true;
+    extraBackends = [
+      pkgs.utsushi
+    ];
+  };
+
+  krebs.nixpkgs.allowUnfreePredicate = pkg:
+    elem (parseDrvName pkg.name).name [ "imagescan-plugin-networkscan" ];
+
+  nixpkgs.overlays = singleton (self: super: {
+    utsushi = super.utsushi.override {
+      guiSupport = false;
+      jpegSupport = false;
+      networkSupport = true;
+      ocrSupport = false;
+      saneSupport = true;
+      tiffSupport = true;
+
+      logCategory = "ALL";
+      logLevel = "BRIEF";
+    };
+  });
+
+  services = {
+    printing = {
+      drivers = [
+        pkgs.epson-escpr
+      ];
+      enable = true;
+    };
+    saned.enable = true;
+  };
+
+}
diff --git a/tv/2configs/xserver/default.nix b/tv/2configs/xserver/default.nix
index 6ef8a8768..892b7e3b8 100644
--- a/tv/2configs/xserver/default.nix
+++ b/tv/2configs/xserver/default.nix
@@ -41,6 +41,9 @@ in {
     # refs <nixpkgs/nixos/modules/services/x11/desktop-managers>
     desktopManager.session = mkForce [];
 
+    displayManager.lightdm.enable = mkForce false;
+    displayManager.job.execCmd = mkForce "derp";
+
     enable = true;
     display = 11;
     tty = 11;
@@ -55,7 +58,7 @@ in {
   systemd.services.display-manager.enable = false;
 
   systemd.services.xmonad = {
-    wantedBy = [ "multi-user.target" ];
+    wantedBy = [ "graphical.target" ];
     requires = [ "xserver.service" ];
     environment = {
       DISPLAY = ":${toString config.services.xserver.display}";
@@ -101,21 +104,20 @@ in {
 
   systemd.services.xserver = {
     after = [
-      "systemd-udev-settle.service"
-      "local-fs.target"
       "acpid.service"
+      "local-fs.target"
+      "systemd-udev-settle.service"
+    ];
+    wants = [
+      "systemd-udev-settle.service"
     ];
-    reloadIfChanged = true;
+    restartIfChanged = false;
     environment = {
-      XKB_BINDIR = "${pkgs.xorg.xkbcomp}/bin"; # Needed for the Xkb extension.
-      XORG_DRI_DRIVER_PATH = "/run/opengl-driver/lib/dri"; # !!! Depends on the driver selected at runtime.
-      LD_LIBRARY_PATH = concatStringsSep ":" (
-        [ "${pkgs.xorg.libX11}/lib" "${pkgs.xorg.libXext}/lib" ]
+      LD_LIBRARY_PATH = concatStringsSep ":" ([ "/run/opengl-driver/lib" ]
         ++ concatLists (catAttrs "libPath" config.services.xserver.drivers));
     };
     serviceConfig = {
       SyslogIdentifier = "xserver";
-      ExecReload = "${pkgs.coreutils}/bin/echo NOP";
       ExecStart = toString [
         "${pkgs.xorg.xorgserver}/bin/X"
         ":${toString config.services.xserver.display}"
@@ -123,17 +125,16 @@ in {
         "-config ${import ./xserver.conf.nix args}"
         "-logfile /dev/null -logverbose 0 -verbose 3"
         "-nolisten tcp"
-        "-xkbdir ${pkgs.xkeyboard_config}/etc/X11/xkb"
+        "-xkbdir ${config.services.xserver.xkbDir}"
       ];
     };
   };
 
   systemd.services.urxvtd = {
-    wantedBy = [ "multi-user.target" ];
-    reloadIfChanged = true;
+    wantedBy = [ "graphical.target" ];
+    restartIfChanged = false;
     serviceConfig = {
       SyslogIdentifier = "urxvtd";
-      ExecReload = "${pkgs.coreutils}/bin/echo NOP";
       ExecStart = "${pkgs.rxvt_unicode}/bin/urxvtd";
       Restart = "always";
       RestartSec = "2s";
diff --git a/tv/3modules/charybdis/default.nix b/tv/3modules/charybdis/default.nix
index e252f2e1d..62a7037e3 100644
--- a/tv/3modules/charybdis/default.nix
+++ b/tv/3modules/charybdis/default.nix
@@ -64,7 +64,7 @@ in {
         ExecStartPre =
           "${pkgs.coreutils}/bin/ln -s /etc/charybdis-ircd.motd /tmp/ircd.motd";
         ExecStart = toString [
-          "${pkgs.charybdis}/bin/charybdis-ircd"
+          "${pkgs.charybdis}/bin/charybdis"
             "-configfile ${import ./config.nix args}"
             "-foreground"
             "-logfile /dev/stderr"
diff --git a/krebs/5pkgs/simple/pass-otp/default.nix b/tv/5pkgs/compat/18.03/pass-otp/default.nix
index 33411180a..33411180a 100644
--- a/krebs/5pkgs/simple/pass-otp/default.nix
+++ b/tv/5pkgs/compat/18.03/pass-otp/default.nix
diff --git a/krebs/5pkgs/simple/pass/default.nix b/tv/5pkgs/compat/18.03/pass/default.nix
index c2fe0e1d7..c2fe0e1d7 100644
--- a/krebs/5pkgs/simple/pass/default.nix
+++ b/tv/5pkgs/compat/18.03/pass/default.nix
diff --git a/krebs/5pkgs/simple/pass/no-darwin-getopt.patch b/tv/5pkgs/compat/18.03/pass/no-darwin-getopt.patch
index e8f7e138f..e8f7e138f 100644
--- a/krebs/5pkgs/simple/pass/no-darwin-getopt.patch
+++ b/tv/5pkgs/compat/18.03/pass/no-darwin-getopt.patch
diff --git a/krebs/5pkgs/simple/pass/rofi-pass.nix b/tv/5pkgs/compat/18.03/pass/rofi-pass.nix
index 61f51973e..61f51973e 100644
--- a/krebs/5pkgs/simple/pass/rofi-pass.nix
+++ b/tv/5pkgs/compat/18.03/pass/rofi-pass.nix
diff --git a/krebs/5pkgs/simple/pass/set-correct-program-name-for-sleep.patch b/tv/5pkgs/compat/18.03/pass/set-correct-program-name-for-sleep.patch
index 782e06e20..782e06e20 100644
--- a/krebs/5pkgs/simple/pass/set-correct-program-name-for-sleep.patch
+++ b/tv/5pkgs/compat/18.03/pass/set-correct-program-name-for-sleep.patch
diff --git a/tv/5pkgs/compat/default.nix b/tv/5pkgs/compat/default.nix
new file mode 100644
index 000000000..0d1e61b3b
--- /dev/null
+++ b/tv/5pkgs/compat/default.nix
@@ -0,0 +1 @@
+self: super: {}
diff --git a/tv/5pkgs/default.nix b/tv/5pkgs/default.nix
index 82474ade5..c5c800b55 100644
--- a/tv/5pkgs/default.nix
+++ b/tv/5pkgs/default.nix
@@ -33,4 +33,16 @@ foldl' mergeAttrs {}
   '';
 
   gnupg = self.gnupg22;
+
+  pass = {
+    "18.03" =
+      self.callPackage ./compat/18.03/pass {
+        pass-otp = self.callPackage ./compat/18.03/pass-otp {};
+      };
+    "18.09" =
+      super.pass.withExtensions (ext: [
+        ext.pass-otp
+      ]);
+  }.${versions.majorMinor nixpkgsVersion};
+
 }
diff --git a/tv/5pkgs/simple/utsushi.nix b/tv/5pkgs/simple/utsushi.nix
new file mode 100644
index 000000000..e61dd188f
--- /dev/null
+++ b/tv/5pkgs/simple/utsushi.nix
@@ -0,0 +1,207 @@
+{ boost, fetchurl, file, imagemagick, libudev, libusb, pkgconfig, stdenv
+, coreutils, dash, patchelf, writeScriptBin # for add-rpath
+
+, guiSupport ? false, gtkmm2 ? null
+, jpegSupport ? true
+, networkSupport ? false, dpkg ? null
+, ocrSupport ? false, tesseract ? null
+, saneSupport ? true, saneBackends ? null
+, tiffSupport ? true, libtiff ? null
+
+# Logging defaults copied from Utsushi source (lib/log.cpp)
+, logCategory ? "NOTHING"
+, logLevel ? "FATAL"
+}:
+
+# Logging possibilities copied from Utsushi source (utsushi/log.hpp)
+assert builtins.elem logCategory [
+  "NOTHING"
+  "SANE_BACKEND"
+  "ALL"
+];
+assert builtins.elem logLevel [
+  "FATAL" # famous last words
+  "ALERT" # outside intervention required
+  "ERROR" # something went wrong
+  "BRIEF" # short informational notes
+  "TRACE" # more chattery feedback
+  "DEBUG" # the gory details
+  "QUARK" # stack tracing feedback
+];
+
+let
+
+  # usage: add-rpath LIBPATH [SOFILE...]
+  # Adds LIBPATH to each SOFILE's RPATH
+  add-rpath = writeScriptBin "add-rpath" ''
+    #! ${dash}/bin/dash
+    set -efu
+    path=$1; shift
+    for file; do
+      file=$(${coreutils}/bin/readlink -f "$file")
+      old_rpath=$(${patchelf}/bin/patchelf --print-rpath "$file")
+      new_rpath=''${old_rpath+$old_rpath:}$path
+      ${patchelf}/bin/patchelf --set-rpath "$new_rpath" "$file"
+    done
+  '';
+
+  imagescan-plugin-networkscan = stdenv.mkDerivation rec {
+    name = "imagescan-plugin-networkscan-${meta.version}";
+
+    src =
+      if stdenv.system == "i686-linux" then
+        fetchurl {
+          url = "https://download2.ebz.epson.net/imagescanv3/debian/latest1/deb/x64/imagescan-bundle-debian-9-1.3.21.x86.deb.tar.gz";
+          sha256 = "16xv1pdfm2ryis815fawb7zqg6c4swww726g272ssx044r5dp80r";
+        }
+      else if stdenv.system == "x86_64-linux" then
+        fetchurl {
+          url = "https://download2.ebz.epson.net/imagescanv3/debian/latest1/deb/x64/imagescan-bundle-debian-9-1.3.21.x64.deb.tar.gz";
+          sha256 = "0zik35h2jwrvkwcmq55wc72imidwdnmn1bayhypzhjcz61rasjg2";
+        }
+      else throw "${name} is not supported on ${stdenv.system} (only i686-linux and x86_64 linux are supported)";
+
+    dontBuild = true;
+
+    installPhase = ''
+      # Wildcard * stand for either i386 or amd64
+      ${dpkg}/bin/dpkg -x \
+          plugins/imagescan-plugin-networkscan_${meta.version}-1epson4debian9_*.deb \
+          tmp
+
+      mv tmp/usr $out
+    '';
+
+    preFixup = ''
+      patchelf --set-interpreter \
+          ${stdenv.glibc}/lib/ld-linux${stdenv.lib.optionalString stdenv.is64bit "-x86-64"}.so.2 \
+          $out/lib/utsushi/networkscan
+
+      # libstdc++.so.6
+      patchelf --set-rpath ${stdenv.cc.cc.lib}/lib \
+          $out/lib/utsushi/networkscan
+    '';
+
+    meta = {
+      description = "Epson Image Scan v3 networkscan plugin";
+      longDescription = ''
+        This package provides the unfree networkscan plugin from the Epson
+        Image Scan v3 scanner driver bundle, which can be used by Utsushi.
+      '';
+      homepage = "http://support.epson.net/linux/en/imagescanv3.php?version=${meta.version}";
+      license = stdenv.lib.licenses.eapl;
+      maintainers = [ stdenv.lib.maintainers.tv ];
+      platforms = stdenv.lib.platforms.linux;
+      version = "1.1.0";
+    };
+  };
+
+in
+
+stdenv.mkDerivation rec {
+  name = "utsushi-${meta.version}";
+
+  src = fetchurl {
+    url = "http://support.epson.net/linux/src/scanner/imagescanv3/debian/imagescan_${meta.version}.orig.tar.gz";
+    sha256 = "12mzq3wc8gzdma84pjs5gb0gp8mga13wax5g7vjfrzq8pjyqrnmw";
+  };
+
+  preConfigure = ''
+    substituteInPlace configure \
+        --replace /usr/bin/file ${file}/bin/file
+
+    substituteInPlace lib/log.cpp \
+        --replace FATAL ${logLevel} \
+        --replace NOTHING ${logCategory}
+  '';
+
+  postInstall = ''
+    # Allow configuration to be done via /etc/utsushi.conf
+    ln -s /etc/utsushi.conf $out/etc/utsushi/utsushi.conf
+
+    ${stdenv.lib.optionalString saneSupport ''
+      # Make this package compatible with hardware.sane.extraBackends
+      mkdir $out/etc/sane.d
+      echo utsushi > $out/etc/sane.d/dll.conf
+      mkdir $out/lib/sane
+      ln -s $out/lib/utsushi/sane/libsane-utsushi.* $out/lib/sane
+    ''}
+
+    ${stdenv.lib.optionalString networkSupport ''
+      ln -s ${imagescan-plugin-networkscan}/lib/utsushi/networkscan \
+        $out/libexec/utsushi/
+    ''}
+  '';
+
+  # Fixup libraries which otherwise would end up broken like this:
+  #
+  #  $ ldd .../blah.so | grep libboost_system
+  #  libboost_system.so.X.Y.Z => not found
+  #  libboost_system.so.X.Y.Z => /nix/store/.../libboost_system.so.X.Y.Z (...)
+  #
+  preFixup = ''
+    add-rpath ${boost}/lib $out/lib/utsushi/libdrv-esci.so
+    ${stdenv.lib.optionalString saneSupport ''
+      add-rpath ${boost}/lib $out/lib/utsushi/sane/libsane-utsushi.so
+    ''}
+  '';
+
+  nativeBuildInputs = [
+    add-rpath
+    pkgconfig
+  ];
+
+  buildInputs = [
+    boost
+    imagemagick
+    libudev
+    libusb
+  ]
+  ++ stdenv.lib.optional guiSupport gtkmm2
+  ++ stdenv.lib.optional ocrSupport tesseract
+  ++ stdenv.lib.optional saneSupport saneBackends
+  ++ stdenv.lib.optional tiffSupport libtiff
+  ;
+
+  NIX_CFLAGS_COMPILE = [
+    "-Wno-error=deprecated-declarations"
+    "-Wno-error=unused-variable"
+  ];
+
+  configureFlags = [
+    "--with-boost=${boost}"
+    "--with-magick"
+    "--with-magick-pp"
+  ]
+  ++ stdenv.lib.optionals guiSupport [
+    "--with-gtkmm"
+  ]
+  ++ stdenv.lib.optionals jpegSupport [
+    "--with-jpeg"
+  ]
+  ++ stdenv.lib.optionals saneSupport [
+    "--with-sane"
+  ]
+  ++ stdenv.lib.optionals tiffSupport [
+    "--with-tiff"
+  ]
+  ;
+
+  meta = {
+    description = "Utsushi - Next Generation Image Acquisition";
+    longDescription = ''
+      This software provides applications to easily turn hard-copy
+      documents and imagery into formats that are more amenable to
+      computer processing.
+
+      Included are a native driver for a number of EPSON scanners
+      and a compatibility driver to interface with software built
+      around the SANE standard.
+    '';
+    homepage = http://download.ebz.epson.net/dsc/search/01/search/?OSC=LX;
+    license = stdenv.lib.licenses.gpl3;
+    maintainers = [ stdenv.lib.maintainers.tv ];
+    platforms = stdenv.lib.platforms.linux;
+    version = "3.48.0";
+  };
+}