/usr/share/python/runtime.d/hugin-data.rtupdate is in hugin-data 2013.0.0+dfsg-1ubuntu2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | #! /bin/sh
set -e
if [ "$1" = rtupdate ]; then
pyclean -p hugin-data /usr/share/hugin/data/plugins
pycompile -p hugin-data /usr/share/hugin/data/plugins
fi
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