Let's see if using -c instead of -- style fixes the PGOPTIONS issue.

tglsfdc · tglsfdc · commit d703de298904 · 2008-11-26T13:26:52.000Z
diff --git a/src/test/regress/pg_regress.c b/src/test/regress/pg_regress.c
@@ -11,7 +11,7 @@
  * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/test/regress/pg_regress.c,v 1.52 2008/11/25 19:30:42 tgl Exp $
+ * $PostgreSQL: pgsql/src/test/regress/pg_regress.c,v 1.53 2008/11/26 13:26:52 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -723,7 +723,7 @@ initialize_environment(void)
 	 * the user's ability to set other variables through that.
 	 */
 	{
-		const char *my_pgoptions = "--intervalstyle=postgres_verbose";
+		const char *my_pgoptions = "-c intervalstyle=postgres_verbose";
 		const char *old_pgoptions = getenv("PGOPTIONS");
 		char   *new_pgoptions;
 

Original file line number	Diff line number	Diff line change
`@@ -11,7 +11,7 @@`
`11`	`11`	`* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group`
`12`	`12`	`* Portions Copyright (c) 1994, Regents of the University of California`
`13`	`13`	`*`
`14`		`- * $PostgreSQL: pgsql/src/test/regress/pg_regress.c,v 1.52 2008/11/25 19:30:42 tgl Exp $`
	`14`	`+ * $PostgreSQL: pgsql/src/test/regress/pg_regress.c,v 1.53 2008/11/26 13:26:52 tgl Exp $`
`15`	`15`	`*`
`16`	`16`	`*-------------------------------------------------------------------------`
`17`	`17`	`*/`
`@@ -723,7 +723,7 @@ initialize_environment(void)`
`723`	`723`	`* the user's ability to set other variables through that.`
`724`	`724`	`*/`
`725`	`725`	`{`
`726`		`- const char *my_pgoptions = "--intervalstyle=postgres_verbose";`
	`726`	`+ const char *my_pgoptions = "-c intervalstyle=postgres_verbose";`
`727`	`727`	`const char *old_pgoptions = getenv("PGOPTIONS");`
`728`	`728`	`char *new_pgoptions;`
`729`	`729`