File: buildd.postinst

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#! /bin/sh
# postinst script for buildd
#
# see: dh_installdeb(1)

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>
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see /usr/share/doc/packaging-manual/
#
# quoting from the policy:
#     Any necessary prompting should almost always be confined to the
#     post-installation script, and should be protected with a conditional
#     so that unnecessary prompting doesn't happen if a package's
#     installation fails and the `postinst' is called with `abort-upgrade',
#     `abort-remove' or `abort-deconfigure'.

# Move a conffile without triggering a dpkg question
mv_conffile() {
    OLDCONFFILE="$1"
    NEWCONFFILE="$2"

    if [ -e "$OLDCONFFILE" ]; then
        echo "Preserving user changes to $NEWCONFFILE ..."
        mv -f "$NEWCONFFILE" "$NEWCONFFILE".dpkg-new
        mv -f "$OLDCONFFILE" "$NEWCONFFILE"
    fi
}

case "$1" in
    configure)

	if dpkg --compare-versions "$2" le "0.58.3-1"; then
	    mv_conffile "/etc/buildd.conf" "/etc/buildd/buildd.conf"
	fi

        if ! getent passwd buildd > /dev/null; then
            adduser --system --quiet --home /var/lib/buildd --no-create-home \
		--shell /bin/bash --group --gecos "Debian build daemon" buildd
        fi

        # check validity of buildd user and group
	if [ "$(id -u buildd)" -eq 0 ]; then
            echo "The buildd system user must not have uid 0 (root).
Please fix this and reinstall this package." >&2
            exit 1
	fi
	if [ "$(id -g buildd)" -eq 0 ]; then
            echo "The buildd system user must not have root as primary group.
Please fix this and reinstall this package." >&2
            exit 1
	fi

	# Home directory ownership
        chown buildd:buildd /var/lib/buildd
	chown buildd:buildd /var/lib/buildd/.forward
	chown buildd:buildd /var/lib/buildd/.ssh
	chown buildd:buildd /var/lib/buildd/build
	chown buildd:buildd /var/lib/buildd/logs
	chown buildd:buildd /var/lib/buildd/mqueue
	chown buildd:buildd /var/lib/buildd/old-logs
	chown buildd:buildd /var/lib/buildd/stats
	chown buildd:buildd /var/lib/buildd/stats/graphs
	chown buildd:buildd /var/lib/buildd/upload
	chown buildd:buildd /var/lib/buildd/upload-security

	# Home directory permissions
        chmod 2770 /var/lib/buildd
	chmod 2640 /var/lib/buildd/.forward
	chmod 2700 /var/lib/buildd/.ssh
	chmod 2770 /var/lib/buildd/build
	chmod 2770 /var/lib/buildd/logs
	chmod 2770 /var/lib/buildd/mqueue
	chmod 2770 /var/lib/buildd/old-logs
	chmod 2770 /var/lib/buildd/stats
	chmod 2770 /var/lib/buildd/stats/graphs
	chmod 2770 /var/lib/buildd/upload
	chmod 2770 /var/lib/buildd/upload-security

        ;;

    abort-upgrade|abort-remove|abort-deconfigure)

        ;;

    *)

        echo "postinst called with unknown argument \`$1'" >&2
        exit 0

	;;
esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

#DEBHELPER#

exit 0