nixpkgs/pkgs/os-specific/linux/kmod/aggregator.nix
2019-11-03 17:32:46 +01:00

35 lines
952 B
Nix

{ stdenvNoCC, kmod, modules, buildEnv, name ? "kernel-modules" }:
buildEnv {
inherit name;
paths = modules;
postBuild =
''
source ${stdenvNoCC}/setup
if ! test -d "$out/lib/modules"; then
echo "No modules found."
# To support a kernel without modules
exit 0
fi
kernelVersion=$(cd $out/lib/modules && ls -d *)
if test "$(echo $kernelVersion | wc -w)" != 1; then
echo "inconsistent kernel versions: $kernelVersion"
exit 1
fi
echo "kernel version is $kernelVersion"
shopt -s extglob
# Regenerate the depmod map files. Be sure to pass an explicit
# kernel version number, otherwise depmod will use `uname -r'.
if test -w $out/lib/modules/$kernelVersion; then
rm -f $out/lib/modules/$kernelVersion/modules.!(builtin*|order*)
${kmod}/bin/depmod -b $out -C $out/etc/depmod.d -a $kernelVersion
fi
'';
}