/usr/share/ is in compass-sassy-maps-plugin 0.4.0-5.
This file is owned by root:root, with mode 0o755.
..
/usr/share/compass/
/usr/share/compass/frameworks/
/usr/share/compass/frameworks/sassy-maps/
/usr/share/compass/frameworks/sassy-maps/stylesheets/
/usr/share/compass/frameworks/sassy-maps/stylesheets/_memo.scss
/usr/share/compass/frameworks/sassy-maps/stylesheets/_sassy-maps.scss
/usr/share/compass/frameworks/sassy-maps/stylesheets/sassy-maps/
/usr/share/compass/frameworks/sassy-maps/stylesheets/sassy-maps/_map-get.scss
/usr/share/compass/frameworks/sassy-maps/stylesheets/sassy-maps/_map-set.scss
/usr/share/compass/frameworks/sassy-maps/stylesheets/sassy-maps/_map-to-string.scss
/usr/share/doc/
/usr/share/doc/compass-sassy-maps-plugin/
/usr/share/doc/compass-sassy-maps-plugin/README.md.gz
/usr/share/doc/compass-sassy-maps-plugin/changelog.Debian.gz
/usr/share/doc/compass-sassy-maps-plugin/copyright
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/sassy-maps-0.4.0.gemspec