From 1025c612b27763aa11849ed347171407b1572217 Mon Sep 17 00:00:00 2001
From: KeelrLeek <156356974+KeelrLeek@users.noreply.github.com>
Date: Tue, 6 Oct 2026 13:15:05 -0500
Subject: [PATCH] queue: skip a source file that a landing moves or rewrites
 mid-scan instead of crashing next_functions

---
 harbor/queue.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/harbor/queue.py b/harbor/queue.py
index 4c69984..1949c22 100644
--- a/harbor/queue.py
+++ b/harbor/queue.py
@@ -47,8 +47,12 @@ class FunctionQueue:
             m = re.match(r"([0-9A-F]{6,8})_", path.name)
             if not m:
                 continue
-            with path.open(encoding="utf-8", errors="replace") as f:
-                head = [next(f, "") for _ in range(8)]
+            try:
+                with path.open(encoding="utf-8", errors="replace") as f:
+                    head = [next(f, "") for _ in range(8)]
+            except (FileNotFoundError, PermissionError):
+                continue                    # a landing on main moved or rewrote it while we scanned; its new path is found
+
             status = "readable" if any(line.startswith(READABLE) for line in head) else \
                 next((line.split("status:", 1)[1].strip() for line in head if "status:" in line), "raw")
             out[int(m.group(1), 16)] = (status, path.name)