render: update brush2 gold images

Supposedly fixing the dynamic polylight shifted polylight array a bit,
thus affecting random seed for samples.

The new gold images are stable, but different from the old ones
numerically.

render/rendertest.py

@@ -5,6 +5,7 @@ import concurrent.futures
 import json
 import os
 import pathlib
+import re
 import shutil
 import subprocess
 
@@ -13,17 +14,11 @@ imagecompare = f'{ROOT}/imagecompare'
 WORKDIR = f'{ROOT}/work'
 REPORT_ROOT = f'{ROOT}' # FIXME should be workdir?
 
-# TODO load all saves from the save/ dir
 # TODO rename to <map>_<description>_<issue(opt)>
-saves = [
-	'brush2_01',
-	'brush_01',
-	'brush_02',
-	'c0a0d_emissive',
-	'light_01',
-	'additive_cullback',
-	'c1a3_fan_material_669',
-]
+saves = []
+for (_, _, files) in os.walk(os.path.join(ROOT, 'save')):
+	for file in files:
+		saves.append(file.removesuffix('.sav').removeprefix('rendertest_'))
 
 channels = {
 	'full': '',
@@ -42,10 +37,12 @@ def test_list(arg: str) -> [str]:
 	items = arg.split(',')
 	tests = []
 	for item in items:
-		# TODO regex?
-		if not item in saves:
-			raise argparse.ArgumentTypeError(f'Test {item} is not available. Available tests are: {saves}')
-		tests.append(item)
+		r = re.compile(item)
+		for save in saves:
+			if r.match(save):
+				tests.append(save)
+	if not tests:
+		raise argparse.ArgumentTypeError(f'No tests match {item}. Available tests are: {saves}')
 	return tests
 
 parser = argparse.ArgumentParser(description='Generate scripts and makefiles for rendertest')