modules/lib/merge-files.nix


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{ runCommandLocal, rsync, lib, ... }:
files:
let
  cpFile = s: ''
    ${lib.getExe rsync} -aL "${s.source}/" "$out${s.target}"
  '';
in runCommandLocal "merged-files" {} ''
  mkdir $out
  ${lib.concatMapStringsSep "\n" cpFile files}
''