nixpkgs/pkgs/os-specific/linux/firmware/firmware-linux-nonfree/default.nix

69 lines
2.5 KiB
Nix

{ stdenv, fetchgit, runCommand, git, cacert, gnupg }:
stdenv.mkDerivation rec {
name = "firmware-linux-nonfree-${version}";
version = "2017-12-06-${src.iwlRev}";
# The src runCommand automates the process of building a merged repository of both
#
# https://git.kernel.org/cgit/linux/kernel/git/firmware/linux-firmware.git/
# https://git.kernel.org/cgit/linux/kernel/git/iwlwifi/linux-firmware.git/
#
# This gives us up to date iwlwifi firmware as well as
# the usual set of firmware. firmware/linux-firmware usually lags kernel releases
# so iwlwifi cards will fail to load on newly released kernels.
#
# To update, go to the above repositories and look for latest tags / commits, then
# update version to the more recent commit date
src = runCommand "firmware-linux-nonfree-src-merged-${version}" {
shallowSince = "2017-10-01";
baseRev = "7f93c9deb484c0a8f4cf59780e77dc7b0c14abe3";
iwlRev = "iwlwifi-fw-2017-11-15";
# When updating this, you need to let it run with a wrong hash, in order to find out the desired hash
# randomly mutate the hash to break out of fixed hash, when updating
outputHash = "007ncka33vkyaxnih3a36w5pnhn19wdzjl95ig7lhznzvf1bnc1w";
outputHashAlgo = "sha256";
outputHashMode = "recursive";
# Doing the download on a remote machine just duplicates network
# traffic, so don't do that.
preferLocalBuild = true;
buildInputs = [ git gnupg ];
NIX_SSL_CERT_FILE = "${cacert}/etc/ssl/certs/ca-bundle.crt";
} ''
git init src && (
cd src
git config user.email "build-daemon@nixos.org"
git config user.name "Nixos Build Daemon $name"
git remote add base https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
git remote add iwl https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/linux-firmware.git
git fetch --shallow-since=$shallowSince base
git fetch --shallow-since=$shallowSince iwl
git checkout -b work $baseRev
git merge $iwlRev)
rm -rf src/.git
cp -a src $out
'';
preInstall = ''
mkdir -p $out
'';
installFlags = [ "DESTDIR=$(out)" ];
meta = with stdenv.lib; {
description = "Binary firmware collection packaged by kernel.org";
homepage = http://packages.debian.org/sid/firmware-linux-nonfree;
license = licenses.unfreeRedistributableFirmware;
platforms = platforms.linux;
maintainers = with maintainers; [ wkennington fpletz ];
priority = 6; # give precedence to kernel firmware
};
passthru = { inherit version; };
}