postinst is in fetchmail 6.3.26-3.
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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#
# Postinst script for fetchmail
# $Id: fetchmail.postinst 469 2008-05-18 12:47:05Z nion $
#
set -e
# Create fetchmail user and its homedir if we may need it
if ! getent passwd fetchmail >/dev/null; then
adduser --system --ingroup nogroup --home /var/lib/fetchmail \
--shell /bin/false --disabled-password fetchmail
fi
# if the login shell is not /bin/false, change this, see #481727
LOGINSH=$(getent passwd fetchmail | cut -d ':' -f 7)
if [ "x$LOGINSH" != "x/bin/false" ]; then
chsh -s /bin/false fetchmail
fi
if ! [ -d /var/lib/fetchmail ]; then
mkdir -p /var/lib/fetchmail
fi
chmod 700 /var/lib/fetchmail
chown -h -R fetchmail:nogroup /var/lib/fetchmail
# Code to handle the upgrade to use /etc/default/fetchmail
case "$1" in
configure)
if dpkg --compare-versions "$2" lt 6.3.1
then
if [ -e /etc/fetchmailrc ]
then
if [ `grep -c poll /etc/fetchmailrc` ]
then
# If /etc/fetchmailrc exits and is defined a pool line
# I assume is correctly configured and make the default to
# run on boot
FILE=`mktemp`
cat /etc/default/fetchmail | sed 's/START_DAEMON=no/START_DAEMON=yes/' > $FILE
mv $FILE /etc/default/fetchmail
fi
fi
# update home directory for old installations because of #327250
usermod -d /var/lib/fetchmail fetchmail
# Removing old /var/run/fetchmail if empty
rm -f "/var/run/fetchmail/.fetchids" >/dev/null 2>&1 || true
rm -f "/var/run/fetchmail/.fetchmail-UIDL-cache" >/dev/null 2>&1 || true
if [ ! -f "/var/lib/fetchmail/.fetchmail.pid" ]
then
mv "/var/run/fetchmail/.fetchmail.pid" "/var/lib/fetchmail/.fetchmail.pid" >/dev/null 2>&1 || true
fi
rmdir "/var/run/fetchmail" >/dev/null 2>&1 || true
fi
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
esac
# Automatically added by dh_installinit
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ]; then
if [ -x "/etc/init.d/fetchmail" ]; then
update-rc.d fetchmail defaults >/dev/null
invoke-rc.d fetchmail start || exit $?
fi
fi
# End automatically added section
exit 0
# vim:ts=4:sw=4:
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