59 lines
1.3 KiB
Nix
59 lines
1.3 KiB
Nix
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/**
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Simulate a migration from a single-instance `services.foo` to a multi instance
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`services.foos.<name>` module, where `name = ""` serves as the legacy /
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compatibility instance.
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- No instances must exist, unless one is defined in the multi-instance module,
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or if the legacy enable option is set to true.
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- The legacy instance options must be renamed to the new instance, if it exists.
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The relevant scenarios are tested in separate files:
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- ./doRename-condition-enable.nix
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- ./doRename-condition-no-enable.nix
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*/
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{ config, lib, ... }:
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let
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inherit (lib)
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mkOption
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mkEnableOption
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types
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doRename
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;
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in
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{
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options = {
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services.foo.enable = mkEnableOption "foo";
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services.foos = mkOption {
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type = types.attrsOf (
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types.submodule {
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options = {
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bar = mkOption { type = types.str; };
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};
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}
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);
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default = { };
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};
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result = mkOption { };
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};
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imports = [
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(doRename {
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from = [
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"services"
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"foo"
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"bar"
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];
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to = [
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"services"
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"foos"
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""
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"bar"
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];
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visible = true;
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warn = false;
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use = x: x;
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withPriority = true;
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condition = config.services.foo.enable;
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})
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];
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}
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