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

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{ stdenv, fetchurl, fetchgit, hotplugSupport ? true, libusb ? null, gt68xxFirmware ? null }:
let
firmware = gt68xxFirmware { inherit fetchurl; };
in
assert hotplugSupport -> (stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux");
stdenv.mkDerivation {
name = "sane-backends-1.0.22.482-g071f226";
src = fetchgit {
url = "http://git.debian.org/git/sane/sane-backends.git";
rev = "071f2269cd68d3411cbfa05a3d028b74496db970";
sha256 = "178xkv30m6irk4k0gqnfcl5kramm1qyj24dar8gp32428z1444xf";
};
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 "";
meta = {
homepage = "http://www.sane-project.org/";
description = "Scanner Access Now Easy";
license = "GPLv2+";
maintainers = [ stdenv.lib.maintainers.simons ];
platforms = stdenv.lib.platforms.linux;
};
}