Cédric Jeanneret 67a13ccb1e Make tripleo_shell_script more robust
1. avoid "null" (NoneType) env variables
2. ensures "quote()" gets only string

Change-Id: Id62b0dd5e952cb70aa4d773195dcab6dc78cae1a
2020-04-09 14:07:17 +02:00
..
2020-03-31 13:37:35 -06:00