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|
#!/bin/mksh
set -e
# This maintainer script can be called the following ways:
#
# * new-postinst "configure" [$most_recently_configured_version]
# The package is unpacked; all dependencies are unpacked and, when there
# are no circular dependencies, configured.
#
# * old-postinst "abort-upgrade" $new_version
# * old-postinst "abort-remove"
# * conflictors-postinst "abort-remove" "in-favour" $new_package
# $new_version
# * deconfigureds-postinst "abort-deconfigure" "in-favour"
# $failed_install_package $fip_version # new-package
# ["removing" $conflicting_package $cp_version] # old-package
# The package is unpacked; all dependencies are at least Half-Installed,
# previously been configured, and not removed. In some error situations,
# dependencies may not be even fully unpacked.
#
# * postinst "triggered" "${triggers[*]}"
# For trigger-only calls, i.e. if "configure" is not called.
#
# * new-postinst "reconfigure" [$most_recently_configured_version](?)
# Treat this as just like "configure" for a future extension by debconf.
function stripcomments {
set -o noglob
while read _line; do
_line=${_line%%#*}
[[ -z $_line ]] || print -r -- $_line
done
}
didmigrate=0
function domigrate {
local m m1=$1 m2=$2 p=$3
[[ -e $p ]] || return 0
(( didmigrate )) || print -ru2 "I: rng-tools: migrating old conffiles"
m=$(md5sum <"$p")
if [[ $m = "$m1"* || $m = "$m2"* ]]; then
# identical to shipped files, 2-unofficial-mt.14-1 or 5-1
(( didmigrate |= 1 ))
rm -- "$p"
return 0
fi
m=$(stripcomments <"$p")
if [[ -z $m ]]; then
# empty, other than, perhaps, comments
(( didmigrate |= 1 ))
rm -- "$p"
return 0
fi
mv -- "$p" "$p.dpkg-bak"
p=$p.dpkg-bak
if [[ $p != /etc/default/rng-tools.dpkg-bak ]]; then
(( didmigrate |= 2 ))
print -ru2 "W: local changes saved as ${p@Q}"
return 0
fi
if [[ $m = *--hrng=tpm* ]]; then
(( didmigrate |= 4 ))
print -ru2 "E: old configuration uses rng-tools5 feature"
print -ru2 "E: cannot migrate"
print -ru2 "N: local changes saved as ${p@Q}"
return 0
fi
dfltconv <"$p" >/etc/default/rng-tools-debian
rm -- "$p"
(( didmigrate |= 8 ))
print -ru2 "I: /etc/default/rng-tools migrated to /etc/default/rng-tools-debian"
}
function dfltconv {
local state=0 bk ln
while IFS= read -r ln; do
if [[ $state$ln = '0# Configuration for the rng-tools initscript' || \
$state$ln = '1# $Id: rng-tools.default,v 1.1.2.5 2008-06-10 19:51:37 hmh Exp $' || \
$state$ln = '2' ||
$state$ln = '3# This is a POSIX shell fragment' ]]; then
bk+=$ln$'\n'
let ++state
continue
fi
[[ $ln != '#RNGDOPTIONS="--hrng=tpm --fill-watermark=90% --feed-interval=1"' ]] || \
continue
[[ $ln != '# for the viapadlock and tpm drivers.' ]] || \
ln='# for the viapadlock driver.'
if (( state == 4 )); then
print -r -- '# -*- mode: sh -*-'
print -r -- '#-'
print -r -- '# Configuration for the rng-tools-debian initscript'
elif (( state > 0 && state < 5 )); then
print -nr -- "$bk"
fi
if (( state < 5 )); then
(( state != 4 )) || print
print -r -- '# migrated from /etc/defaults/rng-tools'
[[ -z $ln ]] || print
state=5
fi
print -r -- "$ln"
done
print -r -- '# For TPM (also add tpm-rng to /etc/modules):'
print -r -- '#RNGDOPTIONS="--fill-watermark=90% --feed-interval=1"'
print -r -- ''
print -r -- '# If you need to configure which RNG to use, do it here:'
print -r -- '#HRNGSELECT="virtio_rng.0"'
print -r -- '# Use this instead of sysfsutils, which starts too late.'
}
case $1 in
(configure|reconfigure)
domigrate 29a6dfb91ef76469550026ea912f9307 80e82742d3612fbcc5b2fe28d9be198e \
/etc/default/rng-tools
domigrate 46da7b710e34cbaaf4a40077975bd7cc 7c9474cbf0b1317efd82ce1cce1c1648 \
/etc/logcheck/ignore.d.server/rng-tools
domigrate 46da7b710e34cbaaf4a40077975bd7cc 7c9474cbf0b1317efd82ce1cce1c1648 \
/etc/logcheck/violations.ignore.d/rng-tools
if (( didmigrate == 1 )); then
print -ru2 "I: rng-tools: all old conffiles were pruned"
elif (( didmigrate == 9 )); then
print -ru2 "I: rng-tools: all old conffiles were pruned or merged"
elif (( didmigrate & 2 )); then
print -ru2 "I: rng-tools: some old conffiles were moved aside for review"
fi
if (( didmigrate & 8 )) && ! invoke-rc.d rng-tools-debian restart; then
print -ru2 "W: rng-tools-debian still cannot be started"
fi
;;
(abort-upgrade|abort-remove|abort-deconfigure)
;;
(triggered)
;;
(*)
echo >&2 "E: postinst called with unknown subcommand '$1'"
exit 1
;;
esac
# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
#DEBHELPER#
exit 0
|
