preinst is in php-imagick 3.4.3~rc2-2ubuntu4.
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
# Automatically added by dh_php/UNDECLARED
for conf in imagick; do
dpkg-maintscript-helper rm_conffile /etc/php/mods-available/${conf}.ini -- "$@"
done
if [ "$1" = "upgrade" ]; then
# Cleanup of the old symlinks (including broken symlinks)
inidir=/etc/php/mods-available
for dsoname in imagick; do
inifile=${dsoname}.ini
find /etc/php/ -type l | \
while read symlink; do
if [ "$(readlink $symlink)" = "${inidir}/$inifile" ]; then
rm -f "${symlink}"
fi
done
done
fi
# End automatically added section
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