libstore: Move {narinfo,ls,log}-compression settings from BinaryCacheStoreConfig to HttpBinaryCacheStoreConfig

These settings are only implemented for the http store and should not be
there for the file:// stores.

Author: xokdvium

src/libstore/include/nix/store/binary-cache-store.hh

@@ -59,21 +59,6 @@ struct BinaryCacheStoreConfig : virtual StoreConfig
           The meaning and accepted values depend on the compression method selected.
           `-1` specifies that the default compression level should be used.
         )"};
-
-    const Setting<std::string> narinfoCompression{
-        this, "", "narinfo-compression", "Compression method for `.narinfo` files."};
-
-    const Setting<std::string> lsCompression{this, "", "ls-compression", "Compression method for `.ls` files."};
-
-    const Setting<std::string> logCompression{
-        this,
-        "",
-        "log-compression",
-        R"(
-          Compression method for `log/*` files. It is recommended to
-          use a compression method supported by most web browsers
-          (e.g. `brotli`).
-        )"};
 };
 
 /**

src/libstore/include/nix/store/http-binary-cache-store.hh

@@ -17,6 +17,21 @@ struct HttpBinaryCacheStoreConfig : std::enable_shared_from_this<HttpBinaryCache
 
     ParsedURL cacheUri;
 
+    const Setting<std::string> narinfoCompression{
+        this, "", "narinfo-compression", "Compression method for `.narinfo` files."};
+
+    const Setting<std::string> lsCompression{this, "", "ls-compression", "Compression method for `.ls` files."};
+
+    const Setting<std::string> logCompression{
+        this,
+        "",
+        "log-compression",
+        R"(
+          Compression method for `log/*` files. It is recommended to
+          use a compression method supported by most web browsers
+          (e.g. `brotli`).
+        )"};
+
     static const std::string name()
     {
         return "HTTP Binary Cache Store";