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nixpkgs/pkgs/applications/graphics/sane/backends-git.nix

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Nix

{ stdenv, fetchurl, fetchgit, hotplugSupport ? true, libusb ? null
, gt68xxFirmware ? null, snapscanFirmware ? null
}:
let
firmware = gt68xxFirmware { inherit fetchurl; };
in
assert hotplugSupport -> (stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux");
stdenv.mkDerivation {
name = "sane-backends-1.0.24.73-g6c4f6bc";
src = fetchgit {
url = "git://alioth.debian.org/git/sane/sane-backends.git";
rev = "6c4f6bc58615755dc734281703b594cea3ebf848";
sha256 = "0f7lbv1rnr53n4rpihcd8dkfm01xvwfnx9i1nqaadrzbpvgkjrfa";
};
udevSupport = hotplugSupport;
buildInputs = if libusb != null then [libusb] else [];
postInstall = ''
if test "$udevSupport" = "1"; then
mkdir -p $out/etc/udev/rules.d/
./tools/sane-desc -m udev > $out/etc/udev/rules.d/60-libsane.rules || \
cp tools/udev/libsane.rules $out/etc/udev/rules.d/60-libsane.rules
fi
'';
preInstall =
if gt68xxFirmware != null then
"mkdir -p \${out}/share/sane/gt68xx ; ln -s " + firmware.fw +
" \${out}/share/sane/gt68xx/" + firmware.name
else if snapscanFirmware != null then
"mkdir -p \${out}/share/sane/snapscan ; ln -s " + snapscanFirmware +
" \${out}/share/sane/snapscan/your-firmwarefile.bin ;" +
"mkdir -p \${out}/etc/sane.d ; " +
"echo epson2 > \${out}/etc/sane.d/dll.conf"
else "";
meta = {
homepage = "http://www.sane-project.org/";
description = "Scanner Access Now Easy";
license = stdenv.lib.licenses.gpl2Plus;
maintainers = [ stdenv.lib.maintainers.simons ];
platforms = stdenv.lib.platforms.linux;
};
}