File: sbuild.postinst

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sbuild 0.60.0-2squeeze1
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#! /bin/sh
# postinst script for sbuild
#
# 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 sbuild is a user group, migrate to a system group.  Save
	# a list of group members, then add them back to the new group
	# once created.
	SGID="$(grep ^sbuild: /etc/group | sed -r -e 's/([^:]+):([^:]+):([^:]+):.*/\3/')"
	if [ -n "$SGID" ] && [ "$SGID" -ge "1000" ]; then
	    SUSR="$(grep ^sbuild: /etc/group | sed -r -e 's/([^:]+):([^:]+):([^:]+):(.*)$/\4/' -e 's/,/ /g')"
	    delgroup --quiet sbuild
	fi

        if ! getent group sbuild > /dev/null; then
            addgroup --system --quiet sbuild
        fi

	# Restore group membership to users in old user group (if any)
	for user in $SUSR; do
	    adduser $user sbuild
	done

        chmod 2775 /var/lib/sbuild
        # avg-* files from previous purge might have wrong GID
        chown -R :sbuild /var/lib/sbuild

        ;;

    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