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nixos: only refer to `users.users` if needed 

Fixes a regression of GitHub issue #594. Before this commit,
attempting to dynamically configure Home Manager with contents of
nixos's users.users when using the nixos module would result in
infinite recursion.

PR #4368
This commit is contained in:
TNE 2023-08-21 19:55:03 +00:00 committed by Robert Helgesson
parent a0ad98174c
commit ca4126e3c5
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1 changed files with 18 additions and 15 deletions
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33
nixos/common.nix
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@ -94,20 +94,23 @@ in {
};
};
config = mkIf (cfg.users != { }) {
warnings = flatten (flip mapAttrsToList cfg.users (user: config:
flip map config.warnings (warning: "${user} profile: ${warning}")));
config = (mkMerge [
# Fix potential recursion when configuring home-manager users based on values in users.users #594
(mkIf (cfg.useUserPackages && cfg.users != { }) {
users.users =
(mapAttrs (username: usercfg: { packages = [ usercfg.home.path ]; })
cfg.users);
environment.pathsToLink = [ "/etc/profile.d" ];
})
(mkIf (cfg.users != { }) {
warnings = flatten (flip mapAttrsToList cfg.users (user: config:
flip map config.warnings (warning: "${user} profile: ${warning}")));
assertions = flatten (flip mapAttrsToList cfg.users (user: config:
flip map config.assertions (assertion: {
inherit (assertion) assertion;
message = "${user} profile: ${assertion.message}";
})));
users.users = mkIf cfg.useUserPackages
(mapAttrs (username: usercfg: { packages = [ usercfg.home.path ]; })
cfg.users);
environment.pathsToLink = mkIf cfg.useUserPackages [ "/etc/profile.d" ];
};
assertions = flatten (flip mapAttrsToList cfg.users (user: config:
flip map config.assertions (assertion: {
inherit (assertion) assertion;
message = "${user} profile: ${assertion.message}";
})));
})
]);
}