/usr/ is in software-properties-common 0.96.24.32.1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/dbus-1/
/usr/share/dbus-1/system-services/
/usr/bin/
/usr/bin/add-apt-repository
/usr/lib/
/usr/lib/python3/
/usr/lib/python3/dist-packages/
/usr/lib/python3/dist-packages/softwareproperties/
/usr/lib/python3/dist-packages/softwareproperties/dbus/
/usr/lib/python3/dist-packages/softwareproperties/dbus/SoftwarePropertiesDBus.py
/usr/lib/python3/dist-packages/softwareproperties/dbus/__init__.py
/usr/lib/software-properties/
/usr/lib/software-properties/software-properties-dbus
/usr/share/dbus-1/system-services/com.ubuntu.SoftwareProperties.service
/usr/share/doc/
/usr/share/doc/software-properties-common/
/usr/share/doc/software-properties-common/copyright
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/add-apt-repository.1.gz
/usr/share/polkit-1/
/usr/share/polkit-1/actions/
/usr/share/polkit-1/actions/com.ubuntu.softwareproperties.policy
/usr/bin/apt-add-repository
/usr/share/doc/software-properties-common/changelog.gz
/usr/share/man/man1/apt-add-repository.1.gz