$ pulumi stack ls -a
NAME      LAST UPDATE  RESOURCE COUNT
dev-red*  n/a          n/a
$ pulumi stack init dev
error: stack 'dev' already exists
$ pulumi stack ls -a
NAME      LAST UPDATE  RESOURCE COUNT
dev-red*  n/a          n/a
$ pulumi stack ls -a
NAME      LAST UPDATE   RESOURCE COUNT
dev       23 hours ago  21
dev-red*  n/a           n/a