webmap-download: Use sha256_hex() for lock file names.

Instead of sha1_hex().

1 files changed, 2 insertions, 2 deletions

diff --git a/webmap-download b/webmap-download
index 583c5dd..4936e24 100755
--- a/webmap-download
+++ b/webmap-download
@@ -27,7 +27,7 @@ import argparse
 import itertools
 from pathlib import Path
 from email.utils import parsedate_to_datetime, formatdate
-from hashlib import sha1
+from hashlib import sha256
 import requests
 
 import common
@@ -214,7 +214,7 @@ if __name__ == '__main__':
             # 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 = sha1(dest.encode('utf-8')).hexdigest() + '.lck'
+                lockfile = sha256(dest.encode('utf-8')).hexdigest() + '.lck'
                 # use O_TRUNC to bump lockfile's mtime
                 lock_fd = os.open(lockfile, O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, mode=0o644, dir_fd=lockdir_fd)
             try: