1#@!#!123s

: / var / lib / dpkg / info /
Filename : libnss-systemd:amd64.postinst
back
#!/bin/sh

set -e

# Automatically added by dh_installnss/1.7
if [ "$1" = "configure" ] && [ -f "${DPKG_ROOT}/etc/nsswitch.conf.nss.${DPKG_MAINTSCRIPT_PACKAGE}-will-install" ] && [ -e "${DPKG_ROOT}/etc/nsswitch.conf" ] ; then
	if ! grep -q -E  -e '^group:[^#]*\s(systemd)(\s|#|$)' -e '^gshadow:[^#]*\s(systemd)(\s|#|$)' -e '^passwd:[^#]*\s(systemd)(\s|#|$)' -e '^shadow:[^#]*\s(systemd)(\s|#|$)' "${DPKG_ROOT}/etc/nsswitch.conf" ; then
		# Installing passwd/systemd from libnss-systemd in position after=files,compat
		sed -E -i "${DPKG_ROOT}/etc/nsswitch.conf" -e '/^passwd:\s[^#]*$/ s/(\s)(files(\s+\[[^]]+\])?|compat(\s+\[[^]]+\])?)(\s|$)/\1\2 systemd /' -e '/^passwd:\s.*#/ s/(\s)(files(\s+\[[^]]+\])?|compat(\s+\[[^]]+\])?)(\s|#)/\1\2 systemd \3/' -e 's/ $//'
		# Installing group/systemd from libnss-systemd in position after=files,compat
		sed -E -i "${DPKG_ROOT}/etc/nsswitch.conf" -e '/^group:\s[^#]*$/ s/(\s)(files(\s+\[[^]]+\])?|compat(\s+\[[^]]+\])?)(\s|$)/\1\2 systemd /' -e '/^group:\s.*#/ s/(\s)(files(\s+\[[^]]+\])?|compat(\s+\[[^]]+\])?)(\s|#)/\1\2 systemd \3/' -e 's/ $//'
		# Installing shadow/systemd from libnss-systemd in position after=files,compat
		sed -E -i "${DPKG_ROOT}/etc/nsswitch.conf" -e '/^shadow:\s[^#]*$/ s/(\s)(files(\s+\[[^]]+\])?|compat(\s+\[[^]]+\])?)(\s|$)/\1\2 systemd /' -e '/^shadow:\s.*#/ s/(\s)(files(\s+\[[^]]+\])?|compat(\s+\[[^]]+\])?)(\s|#)/\1\2 systemd \3/' -e 's/ $//'
		# Installing gshadow/systemd from libnss-systemd in position after=files,compat
		sed -E -i "${DPKG_ROOT}/etc/nsswitch.conf" -e '/^gshadow:\s[^#]*$/ s/(\s)(files(\s+\[[^]]+\])?|compat(\s+\[[^]]+\])?)(\s|$)/\1\2 systemd /' -e '/^gshadow:\s.*#/ s/(\s)(files(\s+\[[^]]+\])?|compat(\s+\[[^]]+\])?)(\s|#)/\1\2 systemd \3/' -e 's/ $//'
	fi
	rm "${DPKG_ROOT}/etc/nsswitch.conf.nss.${DPKG_MAINTSCRIPT_PACKAGE}-will-install"
fi
# End automatically added section


# 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