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| | { pkgs ? import <nixpkgs> {} }: pkgs.callPackage (
{ lib, stdenv, runCommand, writeReferencesToFile, pkgsStatic
, busybox, cpio, cryptsetup, linux, lvm2
, fetchpatch
}:
let
inherit (lib) cleanSource cleanSourceWith concatMapStringsSep;
# https://github.com/NixOS/nixpkgs/pull/148948
cryptsetup = (pkgsStatic.cryptsetup.override {
lvm2 = (pkgsStatic.lvm2.override {
udev = null;
}).overrideAttrs (old: {
patches = (old.patches or []) ++ [
(fetchpatch {
url = "https://raw.githubusercontent.com/NixOS/nixpkgs/bf8b0d818a6c5fa65f318603756762af492c1a0c/pkgs/os-specific/linux/lvm2/no-shared.diff";
sha256 = "sha256-t67Osvcn92R7q9V+KDW+SyJDmajzVbnTPONlokcBU9U=";
})
];
configureFlags = old.configureFlags ++ [ "--enable-static_link" ];
makeFlags = old.makeFlags ++ [ "libdm.device-mapper" ];
installPhase = ''
install -D -t $out/lib libdm/ioctl/libdevmapper.a
make -C libdm install_include
make -C libdm install_pkgconfig
'';
outputs = [ "out" ];
});
}).overrideAttrs (old: {
NIX_LDFLAGS = "";
configureFlags = old.configureFlags ++ [
"--enable-static-cryptsetup"
];
});
packages = [
cryptsetup pkgsStatic.mdevd pkgsStatic.execline
(busybox.override {
enableStatic = true;
extraConfig = ''
CONFIG_FINDFS n
'';
})
];
packagesSysroot = runCommand "packages-sysroot" {} ''
mkdir -p $out/bin
ln -s ${concatMapStringsSep " " (p: "${p}/bin/*") packages} $out/bin
cp -R ${linux}/lib $out
ln -s /bin $out/sbin
# TODO: this is a hack and we should just build the util-linux
# programs we want.
# https://lore.kernel.org/util-linux/87zgrl6ufb.fsf@alyssa.is/
cp ${pkgsStatic.util-linux.override { systemd = null; }}/bin/{findfs,lsblk} $out/bin
'';
packagesCpio = runCommand "packages.cpio" {
nativeBuildInputs = [ cpio ];
storePaths = writeReferencesToFile packagesSysroot;
} ''
cd ${packagesSysroot}
(printf "/nix\n/nix/store\n" && find . $(< $storePaths)) |
cpio -o -H newc -R +0:+0 --reproducible > $out
'';
in
stdenv.mkDerivation {
name = "initramfs";
src = cleanSourceWith {
filter = name: _type: name != "${toString ./.}/build" && name != "${toString ./.}/spectrum-live";
src = cleanSource ./.;
};
PACKAGES_CPIO = packagesCpio;
nativeBuildInputs = [ cpio ];
installPhase = ''
cp build/initramfs $out
'';
enableParallelBuilding = true;
}
) {}
|