Install gir1.2-ostree-1.0 by entering the following commands in the terminal:
sudo apt update sudo apt install gir1.2-ostree-1.0
Description:
content-addressed filesystem for operating system binaries (introspection)
libostree provides a library and tools for managing bootable, immutable, versioned filesystem trees. See the ostree package's description for more details. . This package contains GObject-Introspection metadata, which can be used to generate dynamic bindings into languages such as Python and JavaScript.
Homepage: https://github.com/ostreedev/ostree/
Version: 2018.4-2
Section: universe/introspection