1 files changed, 3 insertions, 4 deletions
diff --git a/webmap-download b/webmap-download
index edb624e..05aa2c4 100755
--- a/webmap-download
+++ b/webmap-download
@@ -44,12 +44,11 @@ import argparse
 import itertools
 from pathlib import Path
 from email.utils import parsedate_to_datetime, formatdate
-from hashlib import sha256
 from typing import Optional, NoReturn, Never
 import requests
 
 import common
-from common import BadConfiguration
+from common import BadConfiguration, getSourcePathLockFileName
 
 def download_trystream(url : str, **kwargs) -> requests.Response:
     """GET a url, trying a number of times. Return immediately after the
@@ -309,9 +308,9 @@ def main() -> NoReturn:
             # place an exclusive lock on a lockfile as the destination can be used by other layers
             # hence might be updated in parallel
             if lockdir_fd is not None:
-                lockfile = sha256(dest.encode('utf-8')).hexdigest() + '.lck'
+                lockfile = getSourcePathLockFileName(dest)
                 # use O_TRUNC to bump lockfile's mtime
-                lock_fd = os.open(lockfile, O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, mode=0o644,
+                lock_fd = os.open(lockfile, O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, mode=0o664,
                                   dir_fd=lockdir_fd)
             try:
                 if lockdir_fd is not None: