Allow a mount entry to be construct with just the mounted path

src/anbox/common/mount_entry.cpp

@@ -46,6 +46,16 @@ std::shared_ptr<MountEntry> MountEntry::create(const std::shared_ptr<LoopDevice>
   return entry;
 }
 
+std::shared_ptr<MountEntry> MountEntry::create(const boost::filesystem::path &target) {
+  auto entry = std::shared_ptr<MountEntry>(new MountEntry(target));
+  if (!entry)
+    return nullptr;
+
+  entry->active_ = true;
+
+  return entry;
+}
+
 MountEntry::MountEntry(const boost::filesystem::path &target) :
   active_{false}, target_{target} {}
 

src/anbox/common/mount_entry.h

@@ -31,6 +31,8 @@ class MountEntry {
   static std::shared_ptr<MountEntry> create(const std::shared_ptr<LoopDevice> &loop, const boost::filesystem::path &target,
                                             const std::string &fs_type = "", unsigned long flags = 0);
 
+  static std::shared_ptr<MountEntry> create(const boost::filesystem::path &target);
+
   ~MountEntry();
 
  private: