postinst is in libphonon-dev 4:4.7.1-0ubuntu8.
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 | #!/bin/sh
set -e
if [ "$1" = "configure" ]; then
# Manually create /usr/include/qt4/phonon symlink on upgrades.
# See #404850 why dpkg does not create it by itself.
qtphonon="/usr/include/qt4/phonon"
if [ -d $qtphonon ] && [ ! -L $qtphonon ]; then
if rmdir $qtphonon 2>/dev/null; then
ln -s ../phonon $qtphonon
else
echo "Unable to create $qtphonon symlink due to error above" >&2
exit 1
fi
fi
fi
exit 0
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