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nixos/mailman: improve empty webHosts error

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Now this configuration mistake will generate the assertion message,
instead of "error: list index 0 is out of bounds".
This commit is contained in:
Alyssa Ross 2022-04-02 11:17:46 +00:00
parent bfa9a7eb22
commit f4a0bb8334
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1 changed files with 9 additions and 2 deletions
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11
nixos/modules/services/mail/mailman.nix
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@ -225,7 +225,14 @@ in {
See <https://mailman.readthedocs.io/en/latest/src/mailman/docs/mta.html>.
'';
};
in (lib.optionals cfg.enablePostfix [
in [
{ assertion = cfg.webHosts != [];
message = ''
services.mailman.serve.enable requires there to be at least one entry
in services.mailman.webHosts.
'';
}
] ++ (lib.optionals cfg.enablePostfix [
{ assertion = postfix.enable;
message = ''
Mailman's default NixOS configuration requires Postfix to be enabled.
@ -275,7 +282,7 @@ in {
globals().update(json.load(f))
'';
services.nginx = mkIf cfg.serve.enable {
services.nginx = mkIf (cfg.serve.enable && cfg.webHosts != []) {
enable = mkDefault true;
virtualHosts."${lib.head cfg.webHosts}" = {
serverAliases = cfg.webHosts;