102 lines
2.3 KiB
Nix
102 lines
2.3 KiB
Nix
# SPDX-FileCopyrightText: 2026 Qyriad <qyriad@qyriad.me>
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#
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# SPDX-License-Identifier: EUPL-1.1
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{
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name,
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lib,
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config,
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host,
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...
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}:
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let
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inherit (lib.modules)
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mkIf
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;
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inherit (lib.options)
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mkOption
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mkEnableOption
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literalExpression
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;
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t = lib.types;
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inherit (import ./lib.nix { inherit lib; })
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convenientAttrPath
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executablePathInStore
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recUpdateFoldl
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;
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pkgs = host.pkgs;
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in
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{
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options = {
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enable = mkEnableOption "dynamicism for '${name}'";
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source-options = mkOption {
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type = t.listOf convenientAttrPath;
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description = "A list of attrpaths of the NixOS option the dynamicism for '${name}' uses";
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example = literalExpression ''
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[ [ "services" "gotosocial" "settings" ] "services.nginx.settings" ]
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'';
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};
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systemd-services-updated = mkOption {
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type = t.listOf t.str;
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description = ''
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A list of systemd unit names (including the suffix, e.g. `.service`) that need to be updated.
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'';
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example = literalExpression ''
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[ "gotosocial.service" ]
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'';
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default = lib.attrNames config.unitDropins;
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};
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finalSettings = mkOption {
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type = t.attrsOf t.raw;
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internal = true;
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default = recUpdateFoldl (optPath:
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lib.setAttrByPath optPath (lib.getAttrFromPath optPath host.config)
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) config.source-options;
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};
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configFile = mkOption {
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type = t.nullOr t.pathInStore;
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internal = true;
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default = null;
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};
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unitDropins = mkOption {
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type = t.attrsOf t.package;
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internal = true;
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};
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activate = mkOption {
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type = executablePathInStore;
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internal = true;
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};
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};
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config = mkIf config.enable {
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activate = pkgs.writeShellApplication {
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name = "dynamicism-for-${name}-activate";
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runtimeInputs = [ pkgs.systemd ];
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text = let
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doEdits = config.unitDropins
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|> lib.mapAttrsToList (service: dropin: ''
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cat "${dropin}" | systemctl edit "${service}" --runtime --drop=dynix-${dropin.name} --stdin
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'')
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|> lib.concatStringsSep "\n";
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doReloads = config.unitDropins
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|> lib.mapAttrsToList (service: _: ''
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systemctl reload-or-restart "${service}"
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'')
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|> lib.concatStringsSep "\n";
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in ''
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${doEdits}
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${doReloads}
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'';
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};
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};
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}
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