fix: print the declared CRC32 on platform pages

scripts/generate_site.py

@@ -1622,13 +1622,18 @@ def _render_platform_systems(
             destination = str(cfg_entry.get("destination") or "")
             where = f" at `{destination}`" if destination and destination != fname else ""
             lines.append(f"{pad}- `{fname}`{where} - {', '.join(details)}")
-            # Show full hashes on a sub-line (useful for copy-paste)
-            if sha1 or md5:
+            # Every hash the platform declares, whole: the crc32 is what
+            # System.dat and clrmamepro print, and pasting it found nothing
+            # for a pinned file the collection holds under other bytes.
+            crc32 = str(cfg_entry.get("crc32") or "")
+            if sha1 or md5 or crc32:
                 hash_parts = []
                 if sha1:
                     hash_parts.append(f"SHA1: `{sha1}`")
                 if md5:
                     hash_parts.append(f"MD5: `{md5}`")
+                if crc32:
+                    hash_parts.append(f"CRC32: `{crc32}`")
                 lines.append(f"{pad}    {' | '.join(hash_parts)}")
 
         lines.append("")

tests/test_site_validation.py

@@ -242,5 +242,17 @@ class TheHomeTitleSaysWhatTheSiteIs(unittest.TestCase):
         self.assertIn("BIOS", title)
 
 
+
+class PlatformPagesPrintTheDeclaredCrc32(unittest.TestCase):
+    """System.dat pins aes.zip by crc32 91e93107; the RetroArch page printed
+    only its sha1 and md5, so the crc a clrmamepro user pastes found nothing."""
+
+    def test_the_rendered_page(self):
+        page = ROOT / "docs" / "platforms" / "retroarch.md"
+        if not page.is_file():
+            self.skipTest("site not generated")
+        self.assertIn("CRC32: `91e93107`", page.read_text(encoding="utf-8"))
+
+
 if __name__ == "__main__":
     unittest.main()