postinst is in debconf 1.5.66.
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.
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set -e
if [ -z "$DEBIAN_HAS_FRONTEND" ] && [ "$1" = configure ] && [ -n "$2" ] && \
dpkg --compare-versions "$2" lt 1.1.0; then
# Transition from old database format before debconf starts up.
if dpkg --compare-versions "$2" lt 0.9.00; then
if [ -e /var/lib/debconf/config.db -o -e /var/lib/debconf/templates.db ]; then
/usr/share/debconf/transition_db.pl
fi
# This package used to add itself to apt.conf. That could result in
# a zero-byte file, since it no longer does. Detect that and remove
# the file.
if [ ! -s /etc/apt/apt.conf ]; then
rm -f /etc/apt/apt.conf
fi
fi
# Fix up broken db's before debconf starts up.
if dpkg --compare-versions "$2" lt 1.0.25; then
/usr/share/debconf/fix_db.pl
fi
# configdb splits into passworded and non-passworded parts, before debconf
# starts up. Do so only if the debconf.conf has the new databases in it.
if dpkg --compare-versions "$2" lt 1.1.0 &&
perl -e 'use Debconf::Db; Debconf::Db->load; for (@ARGV) { exit 1 unless
Debconf::DbDriver->driver($_) }' config passwords; then
# copies in only the passwords, of course
debconf-copydb config passwords
# makes a new config with only non-passwords in it
debconf-copydb config newconfig \
-c Name:newconfig \
-c Driver:File \
-c Reject-Type:password \
-c Filename:/var/cache/debconf/newconfig.dat \
-c Mode:644
mv -f /var/cache/debconf/newconfig.dat /var/cache/debconf/config.dat
fi
fi
. /usr/share/debconf/confmodule
if [ "$1" = configure ] && [ -n "$2" ] && dpkg --compare-versions "$2" lt 1.3.11; then
# Remove old debconf database, and associated cruft in /var/lib/debconf.
# In fact, the whole directory can go! Earlier versions of debconf in the
# 0.9.x series kept it just in case, so make sure to delete it on upgrade
# from any of those versions, or even older versions.
if dpkg --compare-versions "$2" lt 0.9.50; then
rm -rf /var/lib/debconf
fi
# Kill db cruft.
if dpkg --compare-versions "$2" lt 0.9.73; then
# It may not be present, if upgrading from long ago.
db_unregister foo/bar || true
db_unregister debconf/switch-to-slang || true
fi
if dpkg --compare-versions "$2" lt 1.3.11; then
db_unregister debconf/showold || true
fi
# The Text frontend became the Readline frontend.
if dpkg --compare-versions "$2" lt 1.0.10; then
db_get debconf/frontend || true
if [ "$RET" = Text ]; then
db_set debconf/frontend Readline || true
fi
fi
fi
# Automatically added by dh_installdeb/11.1.4ubuntu1
dpkg-maintscript-helper rm_conffile /etc/bash_completion.d/debconf 1.5.58~ -- "$@"
# End automatically added section
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