/usr/share/ is in drush-make 2.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/drush/
/usr/share/drush/commands/
/usr/share/drush/commands/drush_make/
/usr/share/drush/commands/drush_make/drush_make.download.inc
/usr/share/drush/commands/drush_make/drush_make.drush.inc
/usr/share/drush/commands/drush_make/drush_make.generate.inc
/usr/share/drush/commands/drush_make/drush_make.project.inc
/usr/share/drush/commands/drush_make/drush_make.test.inc
/usr/share/drush/commands/drush_make/drush_make.utilities.inc
/usr/share/drush/commands/drush_make/contrib/
/usr/share/drush/commands/drush_make/contrib/drush_make_d_o.convert.inc
/usr/share/drush/commands/drush_make/contrib/drush_make_d_o.drush.inc
/usr/share/doc/
/usr/share/doc/drush-make/
/usr/share/doc/drush-make/copyright
/usr/share/doc/drush-make/examples/
/usr/share/doc/drush-make/examples/EXAMPLE.make
/usr/share/doc/drush-make/README.txt.gz
/usr/share/doc/drush-make/changelog.Debian.gz
/usr/share/doc-base/
/usr/share/doc-base/drush-make
/usr/share/man/
/usr/share/man/man1/
/usr/share/man/man1/drush-make.1.gz