[clang-tools-extra] [clang-tidy] Generate Markdown documentation for new checks (PR #210574)

[Baranov Victor via cfe-commits]

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@@ -547,20 +562,15 @@ def format_link_alias(doc_file: Tuple[str, str]) -> str:
             return ""
 
         module = doc_file[0]
-        check_file = doc_file[1].replace(".rst", "")
+        check_file = os.path.splitext(doc_file[1])[0]
         if is_clang_analyzer:
             title = f"Clang Static Analyzer {check_file}"
             # Clang Static Analyzer aliases still need the external redirect
             # target so list.rst can link to the upstream analyzer docs.
             with open(os.path.join(docs_dir, *doc_file), "r", encoding="utf8") as doc:
                 content = doc.read()
-            redirect = re.search(
-                r".*:http-equiv=refresh: \d+;URL=(.*).html(.*)", content
-            )
-            # Preserve the anchor in checkers.html from group 2.
-            target = (
-                "" if not redirect else f"{redirect.group(1)}.html{redirect.group(2)}"
-            )
+            redirect = re.search(r"http-equiv=refresh.*?URL=([^\"'\s]+)", content)
+            target = "" if not redirect else redirect.group(1)
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vbvictor wrote:

Can we still leave the comment as is?
`# Preserve the anchor in checkers.html from group 2.`
or you think it's useless

https://github.com/llvm/llvm-project/pull/210574