nordic-dev.net/nixpkgs
nordic-dev.net/nixpkgs
2
0
Fork 0
mirror of https://github.com/NixOS/nixpkgs.git synced 2024-11-24 07:53:19 +00:00
Code Issues Packages Projects Releases Wiki Activity

nixos: top-level: evaluate assertions before warnings

Browse Source 
or else at least the following config will fail with an evaluation error
instead of an assert

```
{
  services.nixosManual.enable = false;
  services.nixosManual.showManual = true;
}
```
This commit is contained in:
Jan Malakhovski 2018-09-24 19:40:59 +00:00
parent 0f3b89bbed
commit fece91537b
1 changed files with 13 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
nixos/modules/system/activation/top-level.nix
View File

@ -93,19 +93,12 @@ let
${config.system.extraSystemBuilderCmds}
'';
# Handle assertions
failed = map (x: x.message) (filter (x: !x.assertion) config.assertions);
showWarnings = res: fold (w: x: builtins.trace "warning: ${w}" x) res config.warnings;
# Putting it all together. This builds a store path containing
# symlinks to the various parts of the built configuration (the
# kernel, systemd units, init scripts, etc.) as well as a script
# `switch-to-configuration' that activates the configuration and
# makes it bootable.
baseSystem = showWarnings (
if [] == failed then pkgs.stdenvNoCC.mkDerivation {
baseSystem = pkgs.stdenvNoCC.mkDerivation {
name = let hn = config.networking.hostName;
nn = if (hn != "") then hn else "unnamed";
in "nixos-system-${nn}-${config.system.nixos.label}";
@ -130,12 +123,22 @@ let
# Needed by switch-to-configuration.
perl = "${pkgs.perl}/bin/perl " + (concatMapStringsSep " " (lib: "-I${lib}/${pkgs.perl.libPrefix}") (with pkgs.perlPackages; [ FileSlurp NetDBus XMLParser XMLTwig ]));
} else throw "\nFailed assertions:\n${concatStringsSep "\n" (map (x: "- ${x}") failed)}");
};
# Handle assertions and warnings
failedAssertions = map (x: x.message) (filter (x: !x.assertion) config.assertions);
showWarnings = res: fold (w: x: builtins.trace "warning: ${w}" x) res config.warnings;
baseSystemAssertWarn = if failedAssertions != []
then throw "\nFailed assertions:\n${concatStringsSep "\n" (map (x: "- ${x}") failedAssertions)}"
else showWarnings baseSystem;
# Replace runtime dependencies
system = fold ({ oldDependency, newDependency }: drv:
pkgs.replaceDependency { inherit oldDependency newDependency drv; }
) baseSystem config.system.replaceRuntimeDependencies;
) baseSystemAssertWarn config.system.replaceRuntimeDependencies;
in