/usr/share/shake/html/jquery.flot.js is in libghc-shake-data 0.13.2+dfsg-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/shake/html/../../javascript/jquery-flot/jquery.flot.js
/usr/share/shake/html/../../javascript/jquery-flot/jquery.flot.js