]>
Commit | Line | Data |
---|---|---|
1a64deeb IB |
1 | { |
2 | outputs = { self }: { | |
3 | nixosModule = { config, lib, pkgs, ... }: | |
4 | # https://github.com/michalrus/dotfiles/commit/ebd5fa9583f82589f23531647aa677feb3f8d344#diff-4d353005ef5b3e37f33c07332b8523edR1 | |
5 | # A temporary hack to `loginctl enable-linger $somebody` (for | |
6 | # multiplexer sessions to last), until this one is unresolved: | |
7 | # https://github.com/NixOS/nixpkgs/issues/3702 | |
8 | # | |
9 | # Usage: `users.extraUsers.somebody.linger = true` or slt. | |
10 | ||
11 | with lib; | |
12 | ||
13 | let | |
14 | ||
15 | dataDir = "/var/lib/systemd/linger"; | |
16 | ||
17 | lingeringUsers = map (u: u.name) (attrValues (flip filterAttrs config.users.users (n: u: u.linger))); | |
18 | ||
19 | lingeringUsersFile = builtins.toFile "lingering-users" | |
20 | (concatStrings (map (s: "${s}\n") | |
21 | (sort (a: b: a < b) lingeringUsers))); # this sorting is important for `comm` to work correctly | |
22 | ||
23 | updateLingering = pkgs.writeScript "update-lingering" '' | |
24 | if [ ! -e ${dataDir} ]; then | |
25 | install -m 0755 -o root -g root -d ${dataDir} | |
26 | fi | |
27 | if [ -e ${dataDir} ] ; then | |
28 | ls ${dataDir} | sort | comm -3 -1 ${lingeringUsersFile} - | xargs -r ${pkgs.systemd}/bin/loginctl disable-linger | |
29 | ls ${dataDir} | sort | comm -3 -2 ${lingeringUsersFile} - | xargs -r ${pkgs.systemd}/bin/loginctl enable-linger | |
30 | fi | |
31 | ''; | |
32 | ||
33 | in | |
34 | ||
35 | { | |
36 | # Necessary for situations where flake gets included multiple times | |
37 | key = builtins.hashString "sha256" (builtins.path { path = self.sourceInfo.outPath; name = "source"; }); | |
38 | options = { | |
39 | users.users = mkOption { | |
40 | type = lib.types.attrsOf (lib.types.submodule { | |
41 | options = { | |
42 | linger = mkEnableOption "lingering for the user"; | |
43 | }; | |
44 | }); | |
45 | }; | |
46 | }; | |
47 | ||
48 | config = { | |
49 | system.activationScripts.update-lingering = { | |
50 | deps = ["users"]; | |
51 | text = "${updateLingering}"; | |
52 | }; | |
53 | }; | |
54 | }; | |
55 | }; | |
56 | } |