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|
#!/bin/sh
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>
# * <postinst> `abort-remove'
# * <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
migrate_seedd_conf()
{
local oldconf='/etc/default/seedd'
local newconf='/etc/bit-babbler/seedd.conf'
local saveconf="${oldconf}.dpkg-old"
# Remove the old config if it was unmodified
rm -f "${oldconf}.dpkg-remove"
# Otherwise, if it's still there and we still own it, let's convert it.
[ -e "$oldconf" ] || return 0
dpkg-query -L bit-babbler | grep -F -q -x "$oldconf" || return 0
# Preserve the new config file that was shipped with the package, in the
# same way as if the user had chosen "keep my local changes" at the dpkg
# conffile update prompt. Except for this we keep them without prompting.
[ ! -e "$newconf" ] || mv -f "$newconf" "${newconf}.dpkg-new"
# Simulate how the old config was converted to command line options in the
# init script, then generate a new format config file using those options.
# Pretend we were invoked by systemd for that, since the new init script
# will itself add the needed options which that would omit.
(
SEEDD_ARGS="-k"
. "$oldconf"
[ -z "$CONTROL_GROUP" ] || SEEDD_ARGS="$SEEDD_ARGS --socket-group $CONTROL_GROUP"
export NOTIFY_SOCKET=@dummy
cat > "$newconf" <<-EOF
# These options were automatically migrated from $oldconf
# during upgrade to the bit-babbler 0.8 (or later) release.
#
# A copy of the old file has been preserved in $saveconf
# which can safely be deleted now after confirming that there is nothing
# remaining in it which you do wish to retain a copy of.
#
# This file can safely be edited to customise the seedd configuration, it will
# not be automatically (re)generated again after the initial conversion of the
# old configuration file has created it.
EOF
if /usr/bin/seedd --gen-conf $SEEDD_ARGS >> "$newconf" 2>/dev/null; then
# Preserve a copy of their old config. We migrated anything which was
# actively being used by the old init script, but there may be comments
# or commented out configurations, or other things which it would be a
# bit rude of us to just completely delete without asking.
cat - "$oldconf" > "$saveconf" <<-EOF
# NOTE: This file contains the last content from $oldconf
# prior to it being converted into the new $newconf
#
# It may safely be deleted if there is nothing else in it which you wish
# to retain. The seedd configuration uses options from the new file now
# and there is nothing which still uses anything from the old one at all.
EOF
rm -f "$oldconf"
echo "Automatically migrated $oldconf configuration to $newconf"
echo "The previous configuration file was saved to $saveconf"
fi
)
}
case "$1" in
configure)
addgroup --quiet --system bit-babbler
sysctl -q -p /etc/sysctl.d/bit-babbler-sysctl.conf || true
# Version 0.8 adds /etc/bit-babbler/seedd.conf, replacing the previous
# daemon configuration options which were set in /etc/default/seedd.
dpkg --compare-versions -- "$2" ge-nl '0.8~' || migrate_seedd_conf
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
#DEBHELPER#
exit 0
# vi:sts=4:sw=4:noet
|
