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systemd: fully deprecate legacy switcher

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This switches `systemd.user.startServices = true` to be the same as
`systemd.user.startServices = "sd-switch"`, previously it would use
the "legacy" method. It also introduces a warning that triggers if the
user explicitly have `systemd.user.startServices = "legacy"`.

See #5452
This commit is contained in:
Robert Helgesson 2024-08-13 08:22:36 +02:00
parent 25c12f0736
commit b18f3ebc40
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1 changed files with 13 additions and 9 deletions
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22
modules/systemd.nix
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@ -183,7 +183,7 @@ in {
default = "suggest"; default = "suggest";
type = with types; type = with types;
either bool (enum [ "suggest" "legacy" "sd-switch" ]); either bool (enum [ "suggest" "legacy" "sd-switch" ]);
apply = p: if isBool p then if p then "legacy" else "suggest" else p; apply = p: if isBool p then if p then "sd-switch" else "suggest" else p;
description = '' description = ''
Whether new or changed services that are wanted by active targets Whether new or changed services that are wanted by active targets
should be started. Additionally, stop obsolete services from the should be started. Additionally, stop obsolete services from the
@ -196,17 +196,15 @@ in {
{command}`systemctl` commands to run. You will have to {command}`systemctl` commands to run. You will have to
manually run those commands after the switch. manually run those commands after the switch.
`legacy` (or `true`) `legacy`
: Use a Ruby script to, in a more robust fashion, determine the : Use a Ruby script to, in a more robust fashion, determine the
necessary changes and automatically run the necessary changes and automatically run the
{command}`systemctl` commands. {command}`systemctl` commands. Note, this alternative will soon
be removed.
`sd-switch` `sd-switch` (or `true`)
: Use sd-switch, a third party application, to perform the service : Use sd-switch, a tool that determines the necessary changes and
updates. This tool offers more features while having a small automatically apply them.
closure size. Note, it requires a fully functional user D-Bus
session. Once tested and deemed sufficiently robust, this will
become the default.
''; '';
}; };
@ -299,6 +297,12 @@ in {
message = "This module is only available on Linux."; message = "This module is only available on Linux.";
}]; }];
warnings = lib.optional (cfg.startServices == "legacy") ''
Having 'systemd.user.startServices = "legacy"' is deprecated and will soon be removed.
Please change to 'systemd.user.startServices = true' to use the new systemd unit switcher (sd-switch).
'';
xdg.configFile = mkMerge [ xdg.configFile = mkMerge [
(lib.listToAttrs ((buildServices "service" cfg.services) (lib.listToAttrs ((buildServices "service" cfg.services)
++ (buildServices "slice" cfg.slices) ++ (buildServices "slice" cfg.slices)