mirror of
https://github.com/LnL7/nix-darwin.git
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64 lines
1.4 KiB
Nix
64 lines
1.4 KiB
Nix
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{ config, lib, pkgs, ... }:
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with lib;
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let
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text = import ./write-text.nix {
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inherit lib;
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mkTextDerivation = name: text: pkgs.writeText "etc-${name}" text;
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};
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etc = filter (f: f.enable) (attrValues config.environment.etc);
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in
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{
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options = {
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environment.etc = mkOption {
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type = types.loaOf (types.submodule text);
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default = {};
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description = ''
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Set of files that have to be linked in <filename>/etc</filename>.
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'';
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};
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};
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config = {
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system.build.etc = pkgs.runCommand "etc" {} ''
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mkdir -p $out/etc
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cd $out/etc
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${concatMapStringsSep "\n" (attr: "ln -s '${attr.source}' '${attr.target}'") etc}
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'';
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system.activationScripts.etc.text = ''
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# Set up the statically computed bits of /etc.
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echo "setting up /etc..."
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ln -sfn "$(readlink -f $systemConfig/etc)" /etc/static
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for link in $(ls /etc/static/); do
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if [ -e "/etc/$link" ]; then
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if [ ! -L "/etc/$link" ]; then
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echo "warning: /etc/$link is a file, skipping..." >&2
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fi
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else
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ln -sfn "/etc/static/$link" "/etc/$link"
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fi
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done
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for link in $(find /etc/ -maxdepth 1 -type l); do
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if [[ "$(readlink $link)" == /etc/static/* ]]; then
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if [ ! -e "$(readlink -f $link)" ]; then
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rm $link
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fi
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fi
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done
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'';
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};
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}
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