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nixpkgs/pkgs/misc/sane-backends/snapshot.nix
Eelco Dolstra c556a6ea46 * "ensureDir" -> "mkdir -p". "ensureDir" is a rather pointless
function, so obsolete it.

svn path=/nixpkgs/branches/stdenv-updates/; revision=31644
2012-01-18 20:16:00 +00:00

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Nix

{ stdenv, fetchurl, hotplugSupport ? true, libusb ? null
, gt68xxFirmware ? null }:
let
firmware = gt68xxFirmware {inherit fetchurl;};
in
assert hotplugSupport -> stdenv.system == "i686-linux";
stdenv.mkDerivation {
name = "sane-backends-1.0.22.git201111204";
src = fetchurl {
url = http://www.sane-project.org/snapshots/sane-backends-git20111204.tar.gz;
sha256 = "00b3fi8zjrq3in0wndz1xcz228mgfhwhh2knmyjsikr88hal0m47";
};
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 "";
}