webmap-import: Fix fd leak, open lockfiles only once.

Some layers, for instance svk:*, use the same source file, and we want a
single lock per file.

1 files changed, 2 insertions, 0 deletions

diff --git a/webmap-import b/webmap-import
index 80f918e..c930730 100755
--- a/webmap-import
+++ b/webmap-import
@@ -525,6 +525,8 @@ def lockSourcePaths(layerdefs : dict[str,Any], lockdir: str) -> dict[str,int]:
         for layerdef in layerdefs:
             for source in layerdef['sources']:
                 source_path = source['source']['path']
+                if source_path in ret:
+                    continue
                 lockfile = getSourcePathLockFileName(source_path)
                 lock_fd = os.open(lockfile, O_WRONLY|O_CREAT|O_CLOEXEC, mode=0o664,
                                   dir_fd=lockdir_fd)