gir1.2-ostree-1.0 2018.8-2~salsa1 (ppc64el binary) in ubuntu cosmic

 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.