ls-start-flowd

#
#  Synopsis:
#	List schemas with startable flowd configs in <schema>/etc/<schema>.flow
#  Usage:
#	ls-start-flowd | while read SCHEMA;  do ...
#  Exit Status:
#	0	schema listed
#	1	unknown error
#

PROG=$(basename $0)

die()
{
	echo "$PROG: ERROR: $@" >&2
	exit 2
}

test $# = 0 || die 'wrong number of arguments'

test -n "$SETSPACE_ROOT" ||
			die "environment variable not defined: SETSPACE_ROOT"
cd $SETSPACE_ROOT || die "cd $SETSPACE_ROOT failed"
test -e schema || die "missing root schema directory: $(pwd)"

cd schema || "cd $(pwd)/schema failed: exit status=$?"
find . -mindepth 1 -maxdepth 1 -type d				|
	sed 's/..//'						|
	while read SCHEMA;  do
		test -e $SCHEMA/etc/$SCHEMA.flow && echo $SCHEMA
	done

STATUS=${PIPESTATUS[*]}
case "$STATUS" in
'0 0 0'|'0 0 1')
	;;
*)
	die "find schema failed: exit status=$STATUS"
	;;
esac