No inheritance for `TextInfo` and `FixedOutputInfo`

perl/lib/Nix/Store.xs

@@ -296,7 +296,7 @@ SV * makeFixedOutputPath(int recursive, char * algo, char * hash, char * name)
             auto h = Hash::parseAny(hash, parseHashType(algo));
             auto method = recursive ? FileIngestionMethod::Recursive : FileIngestionMethod::Flat;
             auto path = store()->makeFixedOutputPath(name, FixedOutputInfo {
-                {
+                .hash = {
                     .method = method,
                     .hash = h,
                 },

src/libexpr/primops.cc

@@ -1283,7 +1283,7 @@ drvName, Bindings * attrs, Value & v)
 
         auto method = ingestionMethod.value_or(FileIngestionMethod::Flat);
         auto outPath = state.store->makeFixedOutputPath(drvName, FixedOutputInfo {
-            {
+            .hash = {
                 .method = method,
                 .hash = h,
             },
@@ -2099,7 +2099,7 @@ static void addPath(
         std::optional<StorePath> expectedStorePath;
         if (expectedHash)
             expectedStorePath = state.store->makeFixedOutputPath(name, FixedOutputInfo {
-                {
+                .hash = {
                     .method = method,
                     .hash = *expectedHash,
                 },

src/libexpr/primops/fetchTree.cc

@@ -246,7 +246,7 @@ static void fetch(EvalState & state, const PosIdx pos, Value * * args, Value & v
         auto expectedPath = state.store->makeFixedOutputPath(
             name,
             FixedOutputInfo {
-                {
+                .hash = {
                     .method = unpack ? FileIngestionMethod::Recursive : FileIngestionMethod::Flat,
                     .hash = *expectedHash,
                 },

src/libfetchers/fetchers.cc

@@ -211,7 +211,7 @@ StorePath Input::computeStorePath(Store & store) const
     if (!narHash)
         throw Error("cannot compute store path for unlocked input '%s'", to_string());
     return store.makeFixedOutputPath(getName(), FixedOutputInfo {
-        {
+        .hash = {
             .method = FileIngestionMethod::Recursive,
             .hash = *narHash,
         },

src/libfetchers/tarball.cc

@@ -74,7 +74,7 @@ DownloadFileResult downloadFile(
             *store,
             name,
             FixedOutputInfo {
-                {
+                .hash = {
                     .method = FileIngestionMethod::Flat,
                     .hash = hash,
                 },

src/libstore/binary-cache-store.cc

@@ -309,7 +309,7 @@ StorePath BinaryCacheStore::addToStoreFromDump(Source & dump, std::string_view n
             *this,
             name,
             FixedOutputInfo {
-                {
+                .hash = {
                     .method = method,
                     .hash = nar.first,
                 },
@@ -427,7 +427,7 @@ StorePath BinaryCacheStore::addToStore(
             *this,
             name,
             FixedOutputInfo {
-                {
+                .hash = {
                     .method = method,
                     .hash = h,
                 },

src/libstore/build/local-derivation-goal.cc

@@ -2442,7 +2442,7 @@ DrvOutputs LocalDerivationGoal::registerOutputs()
                 worker.store,
                 outputPathName(drv->name, outputName),
                 FixedOutputInfo {
-                    {
+                    .hash = {
                         .method = outputHash.method,
                         .hash = got,
                     },

src/libstore/content-address.cc

@@ -166,13 +166,13 @@ ContentAddressWithReferences caWithoutRefs(const ContentAddress & ca) {
     return std::visit(overloaded {
         [&](const TextHash & h) -> ContentAddressWithReferences {
             return TextInfo {
-                h,
+                .hash = h,
                 .references = {},
             };
         },
         [&](const FixedOutputHash & h) -> ContentAddressWithReferences {
             return FixedOutputInfo {
-                h,
+                .hash = h,
                 .references = {},
             };
         },

src/libstore/content-address.hh

@@ -111,18 +111,20 @@ struct StoreReferences {
  */
 
 // This matches the additional info that we need for makeTextPath
-struct TextInfo : TextHash {
+struct TextInfo {
+    TextHash hash;
     // References for the paths, self references disallowed
     StorePathSet references;
 
-    GENERATE_CMP(TextInfo, *(const TextHash *)me, me->references);
+    GENERATE_CMP(TextInfo, me->hash, me->references);
 };
 
-struct FixedOutputInfo : FixedOutputHash {
+struct FixedOutputInfo {
+    FixedOutputHash hash;
     // References for the paths
     StoreReferences references;
 
-    GENERATE_CMP(FixedOutputInfo, *(const FixedOutputHash *)me, me->references);
+    GENERATE_CMP(FixedOutputInfo, me->hash, me->references);
 };
 
 typedef std::variant<

src/libstore/local-store.cc

@@ -1415,7 +1415,7 @@ StorePath LocalStore::addToStoreFromDump(Source & source0, std::string_view name
     auto [hash, size] = hashSink->finish();
 
     ContentAddressWithReferences desc = FixedOutputInfo {
-        {
+        .hash = {
             .method = method,
             .hash = hash,
         },

src/libstore/make-content-addressed.cc

@@ -52,7 +52,7 @@ std::map<StorePath, StorePath> makeContentAddressed(
             dstStore,
             path.name(),
             FixedOutputInfo {
-                {
+                .hash = {
                     .method = FileIngestionMethod::Recursive,
                     .hash = narModuloHash,
                 },

src/libstore/path-info.cc

@@ -30,7 +30,7 @@ std::optional<ContentAddressWithReferences> ValidPathInfo::contentAddressWithRef
         [&](const TextHash & th) -> ContentAddressWithReferences {
             assert(references.count(path) == 0);
             return TextInfo {
-                th,
+                .hash = th,
                 .references = references,
             };
         },
@@ -42,7 +42,7 @@ std::optional<ContentAddressWithReferences> ValidPathInfo::contentAddressWithRef
                 refs.erase(path);
             }
             return FixedOutputInfo {
-                foh,
+                .hash = foh,
                 .references = {
                     .others = std::move(refs),
                     .self = hasSelfReference,

src/libstore/store-api.cc

@@ -184,15 +184,15 @@ static std::string makeType(
 
 StorePath Store::makeFixedOutputPath(std::string_view name, const FixedOutputInfo & info) const
 {
-    if (info.hash.type == htSHA256 && info.method == FileIngestionMethod::Recursive) {
-        return makeStorePath(makeType(*this, "source", info.references), info.hash, name);
+    if (info.hash.hash.type == htSHA256 && info.hash.method == FileIngestionMethod::Recursive) {
+        return makeStorePath(makeType(*this, "source", info.references), info.hash.hash, name);
     } else {
         assert(info.references.size() == 0);
         return makeStorePath("output:out",
             hashString(htSHA256,
                 "fixed:out:"
-                + makeFileIngestionPrefix(info.method)
-                + info.hash.to_string(Base16, true) + ":"),
+                + makeFileIngestionPrefix(info.hash.method)
+                + info.hash.hash.to_string(Base16, true) + ":"),
             name);
     }
 }
@@ -200,13 +200,13 @@ StorePath Store::makeFixedOutputPath(std::string_view name, const FixedOutputInf
 
 StorePath Store::makeTextPath(std::string_view name, const TextInfo & info) const
 {
-    assert(info.hash.type == htSHA256);
+    assert(info.hash.hash.type == htSHA256);
     return makeStorePath(
         makeType(*this, "text", StoreReferences {
             .others = info.references,
             .self = false,
         }),
-        info.hash,
+        info.hash.hash,
         name);
 }
 
@@ -232,7 +232,7 @@ std::pair<StorePath, Hash> Store::computeStorePathForPath(std::string_view name,
         ? hashPath(hashAlgo, srcPath, filter).first
         : hashFile(hashAlgo, srcPath);
     FixedOutputInfo caInfo {
-        {
+        .hash = {
             .method = method,
             .hash = h,
         },
@@ -441,7 +441,7 @@ ValidPathInfo Store::addToStoreSlow(std::string_view name, const Path & srcPath,
         *this,
         name,
         FixedOutputInfo {
-            {
+            .hash = {
                 .method = method,
                 .hash = hash,
             },

src/nix-store/nix-store.cc

@@ -216,7 +216,7 @@ static void opPrintFixedPath(Strings opFlags, Strings opArgs)
     std::string name = *i++;
 
     cout << fmt("%s\n", store->printStorePath(store->makeFixedOutputPath(name, FixedOutputInfo {
-        {
+        .hash = {
             .method = method,
             .hash = Hash::parseAny(hash, hashAlgo),
         },

src/nix/add-to-store.cc

@@ -45,7 +45,7 @@ struct CmdAddToStore : MixDryRun, StoreCommand
             *store,
             std::move(*namePart),
             FixedOutputInfo {
-                {
+                .hash = {
                     .method = std::move(ingestionMethod),
                     .hash = std::move(hash),
                 },

src/nix/prefetch.cc

@@ -68,7 +68,7 @@ std::tuple<StorePath, Hash> prefetchFile(
     if (expectedHash) {
         hashType = expectedHash->type;
         storePath = store->makeFixedOutputPath(*name, FixedOutputInfo {
-            {
+            .hash = {
                 .method = ingestionMethod,
                 .hash = *expectedHash,
             },

src/nix/profile.cc

@@ -203,7 +203,7 @@ struct ProfileManifest
             *store,
             "profile",
             FixedOutputInfo {
-                {
+                .hash = {
                     .method = FileIngestionMethod::Recursive,
                     .hash = narHash,
                 },