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nixos/lib: systemd definition files function

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Add a re-usable function that converts an attrset to a directory
containing systemd definition files.
This commit is contained in:
nikstur 2023-07-26 23:30:08 +02:00
parent 906f999a2f
commit a662dc8b73
3 changed files with 27 additions and 29 deletions
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17
nixos/lib/systemd-lib.nix
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@ -443,4 +443,21 @@ in rec {
${attrsToSection def.sliceConfig}
'';
};
# Create a directory that contains systemd definition files from an attrset
# that contains the file names as keys and the content as values. The values
# in that attrset are determined by the supplied format.
definitions = directoryName: format: definitionAttrs:
let
listOfDefinitions = lib.mapAttrsToList
(name: format.generate "${name}.conf")
definitionAttrs;
in
pkgs.runCommand directoryName { } ''
mkdir -p $out
${(lib.concatStringsSep "\n"
(map (pkg: "cp ${pkg} $out/${pkg.name}") listOfDefinitions)
)}
'';
}