preinst is in moodle 2.5.4-1ubuntu1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | #!/bin/sh
set -e
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" lt "2.2.3.dfsg-2.4"; then
# Make sure the new Moodle can install its files in yui - #689506
if [ -h /usr/share/moodle/lib/yui ] ; then
rm -f /usr/share/moodle/lib/yui
fi
fi
if dpkg --compare-versions "$2" lt "2.5.1-1"; then
# Remove directories we're going to replace with symlinks
if [ -d /usr/share/moodle/lib/adodb ]; then
rm -rf /usr/share/moodle/lib/adodb
fi
if [ -d /usr/share/moodle/lib/htmlpurifier/HTMLPurifier ]; then
rm -rf /usr/share/moodle/lib/htmlpurifier/HTMLPurifier
fi
fi
if dpkg --compare-versions "$2" eq "2.5.3-3"; then
# Remove symlink
if [ -L /usr/share/moodle/lib/yuilib/3.9.1/build ]; then
rm -f /usr/share/moodle/lib/yuilib/3.9.1/build
fi
fi
;;
esac
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