#! /bin/sh -e

if [ -z "$1" ]; then
	echo "Usage: $0 DIRECTORY" >&2
	exit 1
fi
set -- "${1%/}"
if [ -d "$1.nonrepo" ]; then
	echo "$1.nonrepo exists; in-flight collision?" >&2
	exit 1
fi
if [ ! -d "$1" ]; then
	echo "$1 is not a directory!" >&2
	exit 1
fi
if [ ! -d "$1/.bzr" ]; then
	echo "$1 is not a Bazaar branch!" >&2
	exit 1
fi
if [ ! -d "$1/.bzr/repository" ]; then
	echo "$1 seems to already be in a repository!" >&2
	exit 1
fi
if [ "$(bzr st "$1")" ]; then
	echo "$1 has uncommitted changes!" >&2
	exit 1
fi

mv -T "$1" "$1.nonrepo"
bzr get "$1.nonrepo" "$1"
cp -a "$1.nonrepo/.bzr/branch/branch.conf" "$1/.bzr/branch/branch.conf"
# oem-config/ubiquity
if [ -d "$1.nonrepo/d-i/source" ] && [ ! -d "$1/d-i/source" ]; then
	mv "$1.nonrepo/d-i/source" "$1/d-i/source"
fi
rm -rf "$1.nonrepo"