/usr/ is in mercurial-git 0.3.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/mercurial-git/README.md.gz
/usr/share/doc/mercurial-git/
/usr/lib/
/usr/lib/python2.7/
/usr/lib/python2.7/dist-packages/
/usr/lib/python2.7/dist-packages/hgext/
/usr/lib/python2.7/dist-packages/hgext/git/
/usr/share/
/usr/share/doc/
/usr/share/doc/mercurial-git/TODO.txt
/usr/share/doc/mercurial-git/README.Debian
/usr/share/doc/mercurial-git/copyright
/usr/share/doc/mercurial-git/DESIGN.txt.gz
/usr/share/doc/mercurial-git/changelog.Debian.gz
/usr/share/pyshared/
/usr/share/pyshared/hgext/
/usr/share/pyshared/hgext/git/
/usr/share/pyshared/hgext/git/__init__.py
/usr/share/pyshared/hgext/git/_ssh.py
/usr/share/pyshared/hgext/git/git_handler.py
/usr/share/pyshared/hgext/git/gitrepo.py
/usr/share/pyshared/hgext/git/hgrepo.py
/usr/share/pyshared/hgext/git/overlay.py
/usr/share/pyshared/hgext/git/util.py
/usr/lib/python2.7/dist-packages/hgext/git/__init__.py
/usr/lib/python2.7/dist-packages/hgext/git/_ssh.py
/usr/lib/python2.7/dist-packages/hgext/git/git_handler.py
/usr/lib/python2.7/dist-packages/hgext/git/gitrepo.py
/usr/lib/python2.7/dist-packages/hgext/git/hgrepo.py
/usr/lib/python2.7/dist-packages/hgext/git/overlay.py
/usr/lib/python2.7/dist-packages/hgext/git/util.py