unikernel/duniverse/ocaml-caqti/caqti/lib-plugin/caqti_plugin.ml

@@ -0,0 +1,33 @@
+(* Copyright (C) 2024  Petter A. Urkedal <paurkedal@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version, with the LGPL-3.0 Linking Exception.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * and the LGPL-3.0 Linking Exception along with this library.  If not, see
+ * <http://www.gnu.org/licenses/> and <https://spdx.org>, respectively.
+ *)
+
+module Log = (val Logs.src_log (Logs.Src.create "caqti.plugin"))
+
+let () =
+  let load pkg =
+    let pkg = String.map (function '.' -> '-' | c -> c) pkg in
+    let plugins = Sites.Plugins.Plugins.list () in
+    Log.debug (fun p -> p "Available plugins: %s" (String.concat ", " plugins));
+    if List.mem pkg plugins then
+      begin
+        Sites.Plugins.Plugins.load pkg;
+        Ok ()
+      end
+    else
+      Error ("Package " ^ pkg ^ " is not avaliable.")
+  in
+  Caqti_platform.Connector.define_loader load

unikernel/duniverse/ocaml-caqti/caqti/lib-plugin/dune

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+(library
+ (name caqti_plugin)
+ (public_name caqti.plugin)
+ (library_flags (:standard -linkall))
+ (libraries caqti.platform dune-site dune-site.plugins))
+
+(generate_sites_module
+ (module sites)
+ (plugins (caqti plugins)))