[WIP] Partial bot skeleton, non-functional though

vendor/github.com/cockroachdb/pebble/objstorage/shared_writable.go

@@ -0,0 +1,34 @@
+// Copyright 2023 The LevelDB-Go and Pebble Authors. All rights reserved. Use
+// of this source code is governed by a BSD-style license that can be found in
+// the LICENSE file.
+
+package objstorage
+
+import "io"
+
+// sharedWritable is a very simple implementation of Writable on top of the
+// WriteCloser returned by shared.Storage.CreateObject.
+type sharedWritable struct {
+	storageWriter io.WriteCloser
+}
+
+var _ Writable = (*sharedWritable)(nil)
+
+// Write is part of the Writable interface.
+func (w *sharedWritable) Write(p []byte) error {
+	_, err := w.storageWriter.Write(p)
+	return err
+}
+
+// Finish is part of the Writable interface.
+func (w *sharedWritable) Finish() error {
+	err := w.storageWriter.Close()
+	w.storageWriter = nil
+	return err
+}
+
+// Abort is part of the Writable interface.
+func (w *sharedWritable) Abort() {
+	_ = w.storageWriter.Close()
+	w.storageWriter = nil
+}