preinst is in mutt 1.5.21-6.4ubuntu2.
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 | #!/bin/sh
set -e
if [ "$1" = "upgrade" ] && dpkg --compare-versions "$2" lt "1.5.19-2" ; then
MD5SUM=$(md5sum /etc/Muttrc.d/smime-paths.rc | cut -d ' ' -f 1)
if [ "$MD5SUM" = "185414b78b332a662500719a179778c5" ] ; then
echo "Removing obsolete config file /etc/Muttrc.d/smime-paths.rc"
rm /etc/Muttrc.d/smime-paths.rc
else
echo "Not removing modified obsolete config file /etc/Muttrc.d/smime-paths.rc"
fi
fi
exit 0
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