[dak/master] only unlink queue files that exist

[Ansgar Burchardt <ansgar@debian.org>]

---
 dak/process_policy.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dak/process_policy.py b/dak/process_policy.py
index ecaeeac..3efab0d 100755
--- a/dak/process_policy.py
+++ b/dak/process_policy.py
@@ -362,7 +362,11 @@ def remove_upload(upload, transaction):
     queue_files = [upload.changes.changesname]
     queue_files.extend(f.filename for f in chg.buildinfo_files)
     for fn in queue_files:
-        fs.unlink(os.path.join(queuedir, fn))
+        # We check for `path` to exist as old uploads in policy queues
+        # might still miss the `.buildinfo` files.
+        path = os.path.join(queuedir, fn)
+        if os.path.exists(path):
+            fs.unlink(path)
 
     session.delete(upload)
     session.flush()
-- 
2.1.4