40 lines
1.2 KiB
Nix
40 lines
1.2 KiB
Nix
{ stdenv, fetchurl, hotplugSupport ? true, libusb ? null, libv4l ? null
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, pkgconfig ? null
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, gt68xxFirmware ? null }:
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let
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firmware = gt68xxFirmware {inherit fetchurl;};
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in
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assert hotplugSupport -> (stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux");
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stdenv.mkDerivation rec {
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version = "1.0.23";
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name = "sane-backends-${version}";
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src = fetchurl {
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url = "https://launchpad.net/ubuntu/+archive/primary/+files/sane-backends_${version}.orig.tar.gz";
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sha256 = "4d4f5b2881615af7fc0ed75fdde7dc623a749e80e40f3f792fe4010163cbb029";
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};
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udevSupport = hotplugSupport;
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buildInputs = []
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++ stdenv.lib.optional (libusb != null) libusb
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++ stdenv.lib.optional (libv4l != null) libv4l
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++ stdenv.lib.optional (pkgconfig != null) pkgconfig
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;
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postInstall = ''
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if test "$udevSupport" = "1"; then
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mkdir -p $out/etc/udev/rules.d/
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./tools/sane-desc -m udev > $out/etc/udev/rules.d/60-libsane.rules || \
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cp tools/udev/libsane.rules $out/etc/udev/rules.d/60-libsane.rules
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fi
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'';
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preInstall =
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if gt68xxFirmware != null then
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"mkdir -p \${out}/share/sane/gt68xx ; ln -s " + firmware.fw +
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" \${out}/share/sane/gt68xx/" + firmware.name
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else "";
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}
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