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new kernelAtleast option at lib/kernel-version.nix

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Issues a warning when the kernel version is below a threshhold.
This commit is contained in:
Emery Hemingway
2016-02-26 10:40:24 +01:00
parent 771087ca88
commit 0a3514de56
1 changed files with 31 additions and 0 deletions
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31
lib/kernel-version.nix Normal file
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@@ -0,0 +1,31 @@
{ config, lib, ... }:
with lib;
let
cfg = config;
in
{
options.kernelAtleast = mkOption {
type = types.listOf types.optionSet;
options =
[ { version = mkOption {
type = types.str;
example = "4.4";
description =
"Issue warning when kernel version is below this number.";
};
msg = mkOption {
type = types.str;
example = "";
};
}
];
};
config.warnings = builtins.concatLists (map
(x: if (builtins.compareVersions cfg.boot.kernelPackages.kernel.version x.version) == -1
then [ "${x.msg} (${cfg.boot.kernelPackages.kernel.version} < ${x.version})" ]
else [ ]
) cfg.kernelAtleast
);
}