postinst is in havp 0.92a-2ubuntu1.
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 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 | #! /bin/sh
# postinst script for havp
#
# see: dh_installdeb(1)
init_error() {
echo "E: Error starting service (could be due to port 8080 already in use), ignoring..."
}
CONFIGFILE=/etc/default/havp
set -e
# summary of how this script can be called:
# * <postinst> `configure' <most-recently-configured-version>
# * <old-postinst> `abort-upgrade' <new version>
# * <conflictor's-postinst> `abort-remove' `in-favour' <package>
# <new-version>
# * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
# <failed-install-package> <version> `removing'
# <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
#
. /usr/share/debconf/confmodule
case "$1" in
configure)
# create havp group and user
if ! getent group havp >/dev/null; then
addgroup --system havp || true
fi
if ! getent passwd havp >/dev/null; then
adduser --quiet --system --no-create-home \
--home /var/run/havp --ingroup havp havp || true
fi
# care for proper ownership in any case (e.g. updating from an earlier
# havp package with different paths)
chown havp:havp /var/run/havp
chown havp:havp /var/log/havp
chown havp:havp /var/lib/havp
chown havp:havp /var/spool/havp
if [ ! -e $CONFIGFILE ]; then
echo "# Use a loopback mount for the scanner files?" > $CONFIGFILE
echo "USE_LOOPBACK=" >> $CONFIGFILE
fi
db_get havp/loopback_mount
if [ "$RET" = "true" ]; then
# restore if it's no longer there
cp -a -f $CONFIGFILE $CONFIGFILE.tmp
grep -Eq '^ *USE_LOOPBACK=' $CONFIGFILE || echo "USE_LOOPBACK=" >> $CONFIGFILE
# set
sed -e "s/^ *USE_LOOPBACK=.*/USE_LOOPBACK=\"$RET\"/" < $CONFIGFILE > $CONFIGFILE.tmp
mv -f $CONFIGFILE.tmp $CONFIGFILE
havp_dir=/var/lib/havp
havp_loopback=$havp_dir/havp.loop
havp_mountpoint=/var/spool/havp
if [ -f $havp_loopback ]; then
echo "There is already "$havp_loopback", maybe from an earlier or custom installation, not building loopback-device"
else
db_get havp/loopback_size
havp_loopsize=`expr $RET \* 1024`
echo -n "Using "$havp_loopsize" kilobytes for building loopback-device "$havp_loopback" with mandatory locks, this MAY take a little while so please be patient... "
dd if=/dev/zero of=$havp_loopback bs=1024 count=$havp_loopsize >/dev/null 2>&1
mkfs.ext3 -F $havp_loopback >/dev/null 2>&1
echo "building loopback-device finished!"
fi
fi
# finished with debconf, close properly...
db_stop
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
# Automatically added by dh_installinit
if [ -x "/etc/init.d/havp" ]; then
if [ ! -e "/etc/init/havp.conf" ]; then
update-rc.d havp defaults >/dev/null
fi
invoke-rc.d havp start || init_error
fi
# End automatically added section
exit 0
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