In reply to @cyclopentane:aidoskyneen.eu
IIRC I had a similar problem while trying to implement LOS 22.2 support on my git-repo tooling rewrite feature branch, lemme check

evaluation warning: hlte is not an officially-supported device for LineageOS
error:
       … while calling the 'derivationStrict' builtin
         at <nix/derivation-internal.nix>:37:12:
           36|
           37|   strict = derivationStrict drvAttrs;
             |            ^
           38|

       … while evaluating the derivation attribute 'name'
         at /nix/store/n67nldl8x3f44w9mvk5zvij0q1rwnsmq-source/pkgs/stdenv/generic/make-derivation.nix:336:7:
          335|     // (optionalAttrs (attrs ? name || (attrs ? pname && attrs ? version)) {
          336|       name =
             |       ^
          337|         let

       … while evaluating the option `buildNumber':

       … while evaluating the option `buildDateTime':

       … while evaluating the option `source.dirs':

       … while evaluating definitions from `/nix/store/xifnlh6fjhk1axipz9c943smq76bcmiz-source/modules/source.nix':

       … while evaluating the option `source.manifests.lineage.branch':

       … while evaluating definitions from `/nix/store/xifnlh6fjhk1axipz9c943smq76bcmiz-source/flavors/lineageos':

       (stack trace truncated; use '--show-trace' to show the full, detailed trace)

       error: attribute 'hlte' missing
       at /nix/store/xifnlh6fjhk1axipz9c943smq76bcmiz-source/flavors/lineageos/default.nix:26:19:
           25|   LineageOSRelease = androidVersionToLineageBranch.${builtins.toString config.androidVersion};
           26|   defaultBranch = deviceMetadata.${config.device}.branch;
             |                   ^
           27|