Merge pull request #62712 from danbst/module-conflict-naming

NixOS module system: improve one of error messages
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Danylo Hlynskyi 2019-06-13 11:59:54 +03:00 committed by GitHub
commit e718eb6243
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2 changed files with 19 additions and 15 deletions

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@ -101,7 +101,7 @@ rec {
mergeOneOption = loc: defs:
if defs == [] then abort "This case should never happen."
else if length defs != 1 then
throw "The unique option `${showOption loc}' is defined multiple times, in ${showFiles (getFiles defs)}."
throw "The unique option `${showOption loc}' is defined multiple times, in:\n - ${concatStringsSep "\n - " (getFiles defs)}."
else (head defs).value;
/* "Merge" option definitions by checking that they all have the same value. */

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@ -465,20 +465,24 @@ in
merge = loc: defs: (import ../../lib/eval-config.nix {
inherit system;
modules =
let extraConfig =
{ boot.isContainer = true;
networking.hostName = mkDefault name;
networking.useDHCP = false;
assertions = [
{
assertion = config.privateNetwork -> stringLength name < 12;
message = ''
Container name `${name}` is too long: When `privateNetwork` is enabled, container names can
not be longer than 11 characters, because the container's interface name is derived from it.
This might be fixed in the future. See https://github.com/NixOS/nixpkgs/issues/38509
'';
}
];
let
extraConfig = {
_file = "module at ${__curPos.file}:${toString __curPos.line}";
config = {
boot.isContainer = true;
networking.hostName = mkDefault name;
networking.useDHCP = false;
assertions = [
{
assertion = config.privateNetwork -> stringLength name < 12;
message = ''
Container name `${name}` is too long: When `privateNetwork` is enabled, container names can
not be longer than 11 characters, because the container's interface name is derived from it.
This might be fixed in the future. See https://github.com/NixOS/nixpkgs/issues/38509
'';
}
];
};
};
in [ extraConfig ] ++ (map (x: x.value) defs);
prefix = [ "containers" name ];