/usr/share/ is in monotone-extras 1.1-4+deb8u2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/monotone/
/usr/share/monotone/scripts/
/usr/share/monotone/scripts/monotone-mail-notify
/usr/share/monotone/scripts/monotone-ciabot.py
/usr/share/monotone/hooks/
/usr/share/monotone/hooks/monotone-cluster-push.lua
/usr/share/monotone/hooks/monotone-cvs-ignore.lua
/usr/share/monotone/hooks/monotone-mail-notify.lua
/usr/share/monotone/hooks/monotone-ciabot.lua
/usr/share/monotone/hooks/monotone-buildbot.lua
/usr/share/monotone/hooks/get_passphrase_from_file.lua
/usr/share/monotone/hooks/authorize_remote_automate.lua
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/mtn-cleanup.1.gz
/usr/share/doc/
/usr/share/doc/monotone-extras