#989 netdisco-deploy and netdisco-db-deploy respect ND2_DB_ROLLBACK

bin/netdisco-db-deploy

@@ -107,6 +107,10 @@ if ($pg_ver and $pg_ver < 90600) {
     die "\n";
 }
 
+# roll everything back if we're testing
+my $txn_guard = $ENV{ND2_DB_ROLLBACK}
+  ? schema('netdisco')->storage->txn_scope_guard : undef;
+
 if (scalar @ARGV and $ARGV[0] and $ARGV[0] eq '--redeploy-all') {
     $schema->storage->dbh_do(
       sub {
@@ -156,4 +160,5 @@ for (my $i = $db_version; $i < $target_version; $i++) {
     };
 }
 
+undef $txn_guard if $ENV{ND2_DB_ROLLBACK};
 exit 0;