MVT: Set directory mtime to most recent source mtime.

For consistency with raster handling.

1 files changed, 6 insertions, 0 deletions

diff --git a/export_mvt.py b/export_mvt.py
index e50620f..c3690a9 100644
--- a/export_mvt.py
+++ b/export_mvt.py
@@ -459,6 +459,8 @@ def exportMVT(ds : gdal.Dataset,
 
     srs, extent = parseTilingScheme(default_options.get('tiling-scheme', None))
 
+    last_modified_ns = max(last_modified.values()) * 1000000 if len(last_modified) > 0 else None
+
     export_layers = {}
     mvtconf = {}
     for layername, layerdef in layers.items():
@@ -591,6 +593,10 @@ def exportMVT(ds : gdal.Dataset,
                        dir_fd=dir_fd,
                        compress=compress_metadata)
 
+        if last_modified_ns is not None:
+            os.utime(mvtname, ns=(last_modified_ns, last_modified_ns),
+                     dir_fd=dir_fd, follow_symlinks=False)
+
         try:
             # atomically exchange paths
             rename_exchange(mvtname, dst, olddirfd=dir_fd)