[CF 5602] Add support for EXTRA_REGRESS_OPTS for meson test

This branch was automatically generated by a robot using patches from an
email thread registered at:

https://commitfest.postgresql.org/patch/5602

The branch will be overwritten each time a new patch version is posted to
the thread, and also periodically to check for bitrot caused by changes
on the master branch.

Patch(es): https://www.postgresql.org/message-id/fce84be6-3158-4b9c-9b40-a403c49d2966@proxel.se
Author(s): Andreas Karlsson

Author: Commitfest Bot

src/tools/testwrap

@@ -2,6 +2,7 @@
 
 import argparse
 import shutil
+import shlex
 import subprocess
 import os
 import sys
@@ -51,7 +52,12 @@ env_dict = {**os.environ,
 if "PG_TEST_EXTRA" not in env_dict and args.pg_test_extra:
     env_dict["PG_TEST_EXTRA"] = args.pg_test_extra
 
-sp = subprocess.Popen(args.test_command, env=env_dict, stdout=subprocess.PIPE)
+if args.testname in ['regress', 'isolation', 'ecpg'] and 'EXTRA_REGRESS_OPTS' in env_dict:
+    test_command = args.test_command + shlex.split(env_dict['EXTRA_REGRESS_OPTS'])
+else:
+    test_command = args.test_command
+
+sp = subprocess.Popen(test_command, env=env_dict, stdout=subprocess.PIPE)
 # Meson categorizes a passing TODO test point as bad
 # (https://github.com/mesonbuild/meson/issues/13183).  Remove the TODO
 # directive, so Meson computes the file result like Perl does.  This could