# HG changeset patch
# User Ludovic Chabant <ludovic@chabant.com>
# Date 1601013394 25200
# Node ID d5ddd9ffaf115c555bfb28111abc21bb772eb912
# Parent  ff4590b2503ad45d7c9d70565a9f5e42941bab79
Don't crash trying to list a solution file if no cache exists yet.

diff -r ff4590b2503a -r d5ddd9ffaf11 scripts/list_sln_files.py
--- a/scripts/list_sln_files.py	Thu Sep 24 22:55:56 2020 -0700
+++ b/scripts/list_sln_files.py	Thu Sep 24 22:56:34 2020 -0700
@@ -31,9 +31,13 @@
 
     cache, loaded = SolutionCache.load_or_rebuild(args.solution, args.cache)
     if loaded and args.list_cache:
-        cache_dt = os.path.getmtime(args.cache)
-        list_cache_dt = os.path.getmtime(args.list_cache)
-        if list_cache_dt > cache_dt:
+        caches_exist = True
+        try:
+            cache_dt = os.path.getmtime(args.cache)
+            list_cache_dt = os.path.getmtime(args.list_cache)
+        except OSError:
+            caches_exist = False
+        if caches_exist and list_cache_dt > cache_dt:
             logger.debug("Solution cache was valid, re-using the file list cache.")
             try:
                 with open(args.list_cache, 'r') as fp: