Merge branch 'pr2/source-at-record-time' into pr3/spool-delivery

2026-09-16 21:08:45 +05:30
parent d8c99fb405 9f8b106f8e
commit 0377b9a85e
8 changed files with 111 additions and 0 deletions
@@ -176,6 +176,19 @@ def _install_salt() -> str:
            os.link(temporary, path)
        except FileExistsError:
            pass
+        except OSError:
+            # No hardlinks here (some network mounts, some container volumes).
+            # Claim the name directly instead. That reopens the empty-file
+            # window, but the window is now benign: a reader that lands in it
+            # gets "" and omits the hash for that process rather than caching a
+            # guessable one. Losing the hashes on every run of an entire
+            # filesystem is the worse failure.
+            try:
+                fallback = os.open(path, os.O_CREAT | os.O_EXCL | os.O_WRONLY, 0o600)
+                with os.fdopen(fallback, "w", encoding="utf-8") as stream:
+                    stream.write(temporary.read_text(encoding="utf-8"))
+            except OSError:
+                pass
    except OSError:
        pass
    finally: