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#!/bin/sh
set -e
#DEBHELPER#
# begin-remove-after: released:forky
# systemd/251.3-2 (between Debian 11 and 12) added libnss-systemd to the
# shadow and gshadow databases, not just passwd and group as before, but
# at the time existing systems were not updated to match.
# Ensure that it is listed in all four databases, while preserving
# configuration for any database that already mentions it. (#1118640)
fix_1118640 () {
local nsswitch="${DPKG_ROOT}/etc/nsswitch.conf"
local db
local line
for db in passwd group shadow gshadow; do
if line="$(grep -E "^$db:"'[^#]*\s(systemd)(\s|#|$)' "$nsswitch")"; then
if [ "$DPKG_MAINTSCRIPT_DEBUG" = 1 ]; then
echo "$db configuration for libnss-systemd already looks OK: $line" >&2
fi
else
echo "Adding libnss-systemd to $db configuration..." >&2
sed -E -i \
-e "/^$db:"'\s[^#]*$/ s/$/ systemd/' \
-e "/^$db:"'\s.*#/ s/#/ systemd #/' \
"$nsswitch"
fi
done
}
# We do this for upgrades from versions where it was not yet fixed
# (Debian 11, 12 or 13), and also for new installations (which should
# be a no-op, but there could conceivably be stale configuration
# still present if an old version was removed but not purged).
if [ "$1" = configure ] && dpkg --compare-versions "$2" lt 258.1-2~; then
fix_1118640
fi
# end-remove-after
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