commit 00e548790637efcc141e7f3c41bf931be08e5e50 · pyrox.dev/nixpkgs

+11 -4

lib/modules.nix

···

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           mergeModules' prefix modules

     

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             (concatMap (m: map (config: { file = m._file; inherit config; }) (pushDownProperties m.config)) modules);

     

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       -
         mergeModules' = prefix: options: configs:

     

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       +
         mergeModules' = prefix: modules: configs:

     

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           let

     

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             # an attrset 'name' => list of submodules that declare ‘name’.

     

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             declsByName =

     
···

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                     else

     

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                       mapAttrs

     

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                         (n: option:

     

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       -
                           [{ inherit (module) _file; options = option; }]

     

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       +
                           [{ inherit (module) _file; pos = builtins.unsafeGetAttrPos n subtree; options = option; }]

     

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                         )

     

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                         subtree

     

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                     )

     

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       -
                   options);

     

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       +
                   modules);

     

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             # The root of any module definition must be an attrset.

     

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             checkedConfigs =

     
···

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                   else res.options;

     

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               in opt.options // res //

     

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                 { declarations = res.declarations ++ [opt._file];

     

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       +
                   # In the case of modules that are generated dynamically, we won't

     

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                   # have exact declaration lines; fall back to just the file being

     

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                   # evaluated.

     

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       +
                   declarationPositions = res.declarationPositions

     

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                     ++ (if opt.pos != null

     

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       +
                       then [opt.pos]

     

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       +
                       else [{ file = opt._file; line = null; column = null; }]);

     

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                   options = submodules;

     

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                 } // typeSet

     

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       -
           ) { inherit loc; declarations = []; options = []; } opts;

     

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       +
           ) { inherit loc; declarations = []; declarationPositions = []; options = []; } opts;

     

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         /* Merge all the definitions of an option to produce the final

     

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            config value. */

+19 -1

lib/tests/modules.sh

···

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       checkConfigOutput() {

     

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           local outputContains=$1

     

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           shift

     

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       -
           if evalConfig "$@" 2>/dev/null | grep --silent "$outputContains" ; then

     

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       +
           if evalConfig "$@" 2>/dev/null | grep -E --silent "$outputContains" ; then

     

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               ((++pass))

     

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           else

     

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               echo 2>&1 "error: Expected result matching '$outputContains', while evaluating"

     
···

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       # Anonymous modules get deduplicated by key

     

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       checkConfigOutput '^"pear"$' config.once.raw ./merge-module-with-key.nix

     

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       checkConfigOutput '^"pear\\npear"$' config.twice.raw ./merge-module-with-key.nix

     

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       +
       

     

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       +
       # Declaration positions

     

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       +
       # Line should be present for direct options

     

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       +
       checkConfigOutput '^10$' options.imported.line10.declarationPositions.0.line ./declaration-positions.nix

     

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       +
       checkConfigOutput '/declaration-positions.nix"$' options.imported.line10.declarationPositions.0.file ./declaration-positions.nix

     

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       +
       # Generated options may not have line numbers but they will at least get the

     

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       +
       # right file

     

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       +
       checkConfigOutput '/declaration-positions.nix"$' options.generated.line18.declarationPositions.0.file ./declaration-positions.nix

     

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       +
       checkConfigOutput '^null$' options.generated.line18.declarationPositions.0.line ./declaration-positions.nix

     

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       +
       # Submodules don't break it

     

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       +
       checkConfigOutput '^39$' config.submoduleLine34.submodDeclLine39.0.line ./declaration-positions.nix

     

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       +
       checkConfigOutput '/declaration-positions.nix"$' config.submoduleLine34.submodDeclLine39.0.file ./declaration-positions.nix

     

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       +
       # New options under freeform submodules get collected into the parent submodule

     

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       +
       # (consistent with .declarations behaviour, but weird; notably appears in system.build)

     

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       +
       checkConfigOutput '^34|23$' options.submoduleLine34.declarationPositions.0.line ./declaration-positions.nix

     

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       +
       checkConfigOutput '^34|23$' options.submoduleLine34.declarationPositions.1.line ./declaration-positions.nix

     

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       +
       # nested options work

     

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       +
       checkConfigOutput '^30$' options.nested.nestedLine30.declarationPositions.0.line ./declaration-positions.nix

     

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       cat <<EOF

     

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       ====== module tests ======

+49

lib/tests/modules/declaration-positions.nix

···

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       +
       { lib, options, ... }:

     

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       let discardPositions = lib.mapAttrs (k: v: v);

     

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       in

     

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       +
       # unsafeGetAttrPos is unspecified best-effort behavior, so we only want to consider this test on an evaluator that satisfies some basic assumptions about this function.

     

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       +
       assert builtins.unsafeGetAttrPos "a" { a = true; } != null;

     

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       +
       assert builtins.unsafeGetAttrPos "a" (discardPositions { a = true; }) == null;

     

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       +
       {

     

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       +
         imports = [

     

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       +
           {

     

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       +
             options.imported.line10 = lib.mkOption {

     

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       +
               type = lib.types.int;

     

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       +
             };

     

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       +
       

     

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             # Simulates various patterns of generating modules such as

     

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       +
             # programs.firefox.nativeMessagingHosts.ff2mpv. We don't expect to get

     

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       +
             # line numbers for these, but we can fall back on knowing the file.

     

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       +
             options.generated = discardPositions {

     

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       +
               line18 = lib.mkOption {

     

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       +
                 type = lib.types.int;

     

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       +
               };

     

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       +
             };

     

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       +
       

     

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       +
             options.submoduleLine34.extraOptLine23 = lib.mkOption {

     

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       +
               default = 1;

     

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       +
               type = lib.types.int;

     

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       +
             };

     

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       +
           }

     

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       +
         ];

     

       29
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       +
       

     

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       +
         options.nested.nestedLine30 = lib.mkOption {

     

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       +
           type = lib.types.int;

     

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       +
         };

     

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       +
       

     

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       +
         options.submoduleLine34 = lib.mkOption {

     

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       +
           default = { };

     

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       +
           type = lib.types.submoduleWith {

     

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       +
             modules = [

     

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       +
               ({ options, ... }: {

     

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       +
                 options.submodDeclLine39 = lib.mkOption { };

     

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       +
               })

     

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       +
               { freeformType = with lib.types; lazyAttrsOf (uniq unspecified); }

     

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       +
             ];

     

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       +
           };

     

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       +
         };

     

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       +
       

     

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       +
         config = {

     

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       +
           submoduleLine34.submodDeclLine39 = (options.submoduleLine34.type.getSubOptions [ ]).submodDeclLine39.declarationPositions;

     

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       +
         };

     

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       +
       }