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nixpkgs/pkgs/applications/graphics/sane/backends/generic.nix
Profpatsch 4a7f99d55d treewide: with stdenv.lib; in meta -> with lib;
Part of: https://github.com/NixOS/nixpkgs/issues/108938

meta = with stdenv.lib;

is a widely used pattern. We want to slowly remove
the `stdenv.lib` indirection and encourage people
to use `lib` directly. Thus let’s start with the meta
field.

This used a rewriting script to mostly automatically
replace all occurances of this pattern, and add the
`lib` argument to the package header if it doesn’t
exist yet.

The script in its current form is available at
https://cs.tvl.fyi/depot@2f807d7f141068d2d60676a89213eaa5353ca6e0/-/blob/users/Profpatsch/nixpkgs-rewriter/default.nix
2021-01-11 10:38:22 +01:00

96 lines
2.7 KiB
Nix

{ lib, stdenv
, gettext, pkgconfig
, avahi, libgphoto2, libieee1284, libjpeg, libpng, libtiff, libusb1, libv4l, net-snmp
# List of { src name backend } attibute sets - see installFirmware below:
, extraFirmware ? []
# For backwards compatibility with older setups; use extraFirmware instead:
, gt68xxFirmware ? null, snapscanFirmware ? null
# Passed from versioned package (e.g. default.nix, git.nix):
, version, src, ...
}:
stdenv.mkDerivation {
inherit src version;
name = "sane-backends-${version}";
outputs = [ "out" "doc" "man" ];
nativeBuildInputs = [
gettext
pkgconfig
];
buildInputs = [
avahi
libgphoto2
libieee1284
libjpeg
libpng
libtiff
libusb1
libv4l
net-snmp
];
enableParallelBuilding = true;
configureFlags = []
++ stdenv.lib.optional (avahi != null) "--enable-avahi"
++ stdenv.lib.optional (libusb1 != null) "--with-usb"
;
postInstall = let
compatFirmware = extraFirmware
++ stdenv.lib.optional (gt68xxFirmware != null) {
src = gt68xxFirmware.fw;
inherit (gt68xxFirmware) name;
backend = "gt68xx";
}
++ stdenv.lib.optional (snapscanFirmware != null) {
src = snapscanFirmware;
name = "your-firmwarefile.bin";
backend = "snapscan";
};
installFirmware = f: ''
mkdir -p $out/share/sane/${f.backend}
ln -sv ${f.src} $out/share/sane/${f.backend}/${f.name}
'';
in ''
mkdir -p $out/etc/udev/rules.d/
./tools/sane-desc -m udev > $out/etc/udev/rules.d/49-libsane.rules || \
cp tools/udev/libsane.rules $out/etc/udev/rules.d/49-libsane.rules
# the created 49-libsane references /bin/sh
substituteInPlace $out/etc/udev/rules.d/49-libsane.rules \
--replace "RUN+=\"/bin/sh" "RUN+=\"${stdenv.shell}"
substituteInPlace $out/lib/libsane.la \
--replace "-ljpeg" "-L${libjpeg.out}/lib -ljpeg"
# net.conf conflicts with the file generated by the nixos module
rm -f $out/etc/sane.d/net.conf
'' + stdenv.lib.concatStrings (builtins.map installFirmware compatFirmware);
meta = with lib; {
description = "SANE (Scanner Access Now Easy) backends";
longDescription = ''
Collection of open-source SANE backends (device drivers).
SANE is a universal scanner interface providing standardized access to
any raster image scanner hardware: flatbed scanners, hand-held scanners,
video- and still-cameras, frame-grabbers, etc. For a list of supported
scanners, see http://www.sane-project.org/sane-backends.html.
'';
homepage = "http://www.sane-project.org/";
license = licenses.gpl2Plus;
maintainers = with maintainers; [ peti ];
platforms = platforms.linux;
};
}