From ae0dc28d0e74655237d3dbdc7605acb05cffeef8 Mon Sep 17 00:00:00 2001
From: jackspiering <46534141+jackspiering@users.noreply.github.com>
Date: Sun, 8 Feb 2026 23:14:15 +0100
Subject: [PATCH] Restore repo slug validation helper

---
 scripts/generate_registry.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/scripts/generate_registry.py b/scripts/generate_registry.py
index a3ff253..cd09b5f 100755
--- a/scripts/generate_registry.py
+++ b/scripts/generate_registry.py
@@ -12,6 +12,7 @@
 
 REPO_ROOT = Path(__file__).resolve().parents[1]
 SERVICES_DIR = REPO_ROOT / "services"
+REPO_SLUG_RE = re.compile(r"^[A-Za-z0-9_.-]+/[A-Za-z0-9_.-]+$")
 
 
 def title_from_id(value: str) -> str:
@@ -78,6 +79,12 @@ def read_text(path: Path) -> Optional[str]:
     return path.read_text(encoding="utf-8")
 
 
+def validate_repo_slug(repo: str) -> str:
+    if not REPO_SLUG_RE.match(repo):
+        raise SystemExit(f"Invalid repo slug '{repo}'; expected owner/name")
+    return repo
+
+
 def infer_repo_slug(repo_arg: Optional[str]) -> Optional[str]:
     if repo_arg:
         return validate_repo_slug(repo_arg)