1#@!#!123s

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

# Automatically added by dh_installnss/1.7
if [ "$1" = install ]; then
	# Signal to postinst that the NSS services should be installed, even if the package has been removed but not purged.
	touch "${DPKG_ROOT}/etc/nsswitch.conf.nss.${DPKG_MAINTSCRIPT_PACKAGE}-will-install"
fi
# End automatically added section


if { [ "$1" = install ] || [ "$1" = upgrade ]; } &&
    dpkg --compare-versions "$2" lt-nl "257.9-0ubuntu2~"; then

        # First drop all the systemd instances from nsswitch, to ensure that we're adding them back and in order.
        # The code is the same that is generated for postrm, but we cannot call postrm
        # directly here, since it relies on refcounting.
        if [ -e "${DPKG_ROOT}/etc/nsswitch.conf" ]; then
            sed -E -i "${DPKG_ROOT}/etc/nsswitch.conf" \
                        -e ':a /^shadow:\s.*#/ s/(^[^#]+)\s(systemd)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|#)/\1\3/g ; t a' \
                        -e ':b /^shadow:\s.*#/ s/(^[^#]+)\s(systemd)(\s|#)/\1\3/g ; t b' \
                        -e ':c /^shadow:\s[^#]*$/ s/\s(systemd)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|$)/\2/g ; t c' \
                        -e ':d /^shadow:\s[^#]*$/ s/\s(systemd)(\s|$)/\2/g ; t d'

            sed -E -i "${DPKG_ROOT}/etc/nsswitch.conf" \
                        -e ':a /^passwd:\s.*#/ s/(^[^#]+)\s(systemd)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|#)/\1\3/g ; t a' \
                        -e ':b /^passwd:\s.*#/ s/(^[^#]+)\s(systemd)(\s|#)/\1\3/g ; t b' \
                        -e ':c /^passwd:\s[^#]*$/ s/\s(systemd)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|$)/\2/g ; t c' \
                        -e ':d /^passwd:\s[^#]*$/ s/\s(systemd)(\s|$)/\2/g ; t d'

            sed -E -i "${DPKG_ROOT}/etc/nsswitch.conf" \
                        -e ':a /^gshadow:\s.*#/ s/(^[^#]+)\s(systemd)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|#)/\1\3/g ; t a' \
                        -e ':b /^gshadow:\s.*#/ s/(^[^#]+)\s(systemd)(\s|#)/\1\3/g ; t b' \
                        -e ':c /^gshadow:\s[^#]*$/ s/\s(systemd)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|$)/\2/g ; t c' \
                        -e ':d /^gshadow:\s[^#]*$/ s/\s(systemd)(\s|$)/\2/g ; t d'

            sed -E -i "${DPKG_ROOT}/etc/nsswitch.conf" \
                        -e ':a /^group:\s.*#/ s/(^[^#]+)\s(systemd)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|#)/\1\3/g ; t a' \
                        -e ':b /^group:\s.*#/ s/(^[^#]+)\s(systemd)(\s|#)/\1\3/g ; t b' \
                        -e ':c /^group:\s[^#]*$/ s/\s(systemd)\s+\[!?[A-Za-z]+=[A-Za-z]+\](\s|$)/\2/g ; t c' \
                        -e ':d /^group:\s[^#]*$/ s/\s(systemd)(\s|$)/\2/g ; t d'
        fi

        # Signal to postinst that the NSS services should be installed on
        # recent upgraders, since the module is available starting from 232-7
        # but users may not have a fully configured NSS switch (LP: #2121017).
        touch "${DPKG_ROOT}/etc/nsswitch.conf.nss.${DPKG_MAINTSCRIPT_PACKAGE}-will-install"
fi