bitbake: lib/bb/parse: properly handle OSError when updating mtime cache

If a file no longer exists, drop it from the cache silently instead of
generating a traceback. This was visible in some cases when a recipe was
deleted when bitbake was resident in memory.

(Bitbake rev: fe105b9042bdac4afd9f38fcf92bfdc2c04ec23f)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 6 insertions, 1 deletions

diff --git a/bitbake/lib/bb/parse/__init__.py b/bitbake/lib/bb/parse/__init__.py
index 1becaa4f02..67ec71f866 100644
--- a/bitbake/lib/bb/parse/__init__.py
+++ b/bitbake/lib/bb/parse/__init__.py
@@ -71,7 +71,12 @@ def cached_mtime_noerror(f):
     return __mtime_cache[f]
 
 def update_mtime(f):
-    __mtime_cache[f] = os.stat(f)[stat.ST_MTIME]
+    try:
+        __mtime_cache[f] = os.stat(f)[stat.ST_MTIME]
+    except OSError:
+        if f in __mtime_cache:
+            del __mtime_cache[f]
+        return 0
     return __mtime_cache[f]
 
 def update_cache(f):