Output path comparison

nix-env failed:
error: undefined variable 'xlibsWrapper'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/pkgs/applications/video/xine-ui/default.nix:57:5:

           56|     libXxf86vm
           57|     xlibsWrapper
             |     ^
           58|     xorgproto

       … while evaluating 'isDerivation'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/lib/attrsets.nix:427:18:

          426|   */
          427|   isDerivation = x: x.type or null == "derivation";
             |                  ^
          428|

       … from call site

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/pkgs/stdenv/generic/make-derivation.nix:193:8:

          192|   checkDependencyList' = positions: name: deps: lib.flip lib.imap1 deps (index: dep:
          193|     if lib.isDerivation dep || isNull dep || builtins.typeOf dep == "string" || builtins.typeOf dep == "path" then dep
             |        ^
          194|     else if lib.isList dep then checkDependencyList' ([index] ++ positions) name dep

       … while evaluating anonymous lambda

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/pkgs/stdenv/generic/make-derivation.nix:192:81:

          191|   checkDependencyList = checkDependencyList' [];
          192|   checkDependencyList' = positions: name: deps: lib.flip lib.imap1 deps (index: dep:
             |                                                                                 ^
          193|     if lib.isDerivation dep || isNull dep || builtins.typeOf dep == "string" || builtins.typeOf dep == "path" then dep

       … from call site

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/lib/lists.nix:117:32:

          116|   */
          117|   imap1 = f: list: genList (n: f (n + 1) (elemAt list n)) (length list);
             |                                ^
          118|

       … while evaluating anonymous lambda

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/lib/lists.nix:117:29:

          116|   */
          117|   imap1 = f: list: genList (n: f (n + 1) (elemAt list n)) (length list);
             |                             ^
          118|

       … from call site

       … while evaluating anonymous lambda

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/pkgs/stdenv/generic/make-derivation.nix:221:13:

          220|       (map (drv: drv.__spliced.hostHost or drv) (checkDependencyList "depsHostHost" depsHostHost))
          221|       (map (drv: drv.crossDrv or drv) (checkDependencyList "buildInputs" buildInputs))
             |             ^
          222|     ]

       … from call site

       … while evaluating 'getOutput'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/lib/attrsets.nix:598:23:

          597|   */
          598|   getOutput = output: pkg:
             |                       ^
          599|     if ! pkg ? outputSpecified || ! pkg.outputSpecified

       … from call site

       … while evaluating the attribute 'buildInputs' of the derivation 'xine-ui-0.99.13'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/pkgs/stdenv/generic/make-derivation.nix:270:7:

          269|     // (lib.optionalAttrs (attrs ? name || (attrs ? pname && attrs ? version)) {
          270|       name =
             |       ^
          271|         let

       … while evaluating the attribute 'buildInputs' of the derivation 'dvdstyler-3.1.2'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/pkgs/stdenv/generic/make-derivation.nix:270:7:

          269|     // (lib.optionalAttrs (attrs ? name || (attrs ? pname && attrs ? version)) {
          270|       name =
             |       ^
          271|         let

       … while evaluating the attribute 'drvPath'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/lib/customisation.nix:203:13:

          202|             outputSpecified = true;
          203|             drvPath = assert condition; drv.${outputName}.drvPath;
             |             ^
          204|             outPath = assert condition; drv.${outputName}.outPath;

       … while evaluating the attribute 'drvPath'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/lib/customisation.nix:235:13:

          234|             outPath = output.outPath;
          235|             drvPath = output.drvPath;
             |             ^
          236|             type = "derivation";

       … while evaluating 'hydraJob'

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/lib/customisation.nix:218:14:

          217|      garbage collection. */
          218|   hydraJob = drv:
             |              ^
          219|     let

       … from call site

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/pkgs/top-level/release-lib.nix:123:14:

          122|   testOnCross = crossSystem: metaPatterns: f: forMatchingSystems metaPatterns
          123|     (system: hydraJob' (f (pkgsForCross crossSystem system)));
             |              ^
          124|

       … while evaluating anonymous lambda

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/pkgs/top-level/release-lib.nix:123:6:

          122|   testOnCross = crossSystem: metaPatterns: f: forMatchingSystems metaPatterns
          123|     (system: hydraJob' (f (pkgsForCross crossSystem system)));
             |      ^
          124|

       … from call site

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/lib/attrsets.nix:414:43:

          413|   genAttrs = names: f:
          414|     listToAttrs (map (n: nameValuePair n (f n)) names);
             |                                           ^
          415|

       … while evaluating anonymous lambda

       at /var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/mr-est/ofborg-evaluator-4/.gc-of-borg-outpaths.nix:47:12:

           46|   tweak = lib.mapAttrs
           47|     (name: val:
             |            ^
           48|       if name == "recurseForDerivations" then true

       … from call site