bitbake: toaster: check if file exist

Buildinfohelper assumes that all files mentioned in
manifest exist in deploy/ directory, which is not always
the case. Toaster crashes with OSError trying to
call os.stat on non-existing file.

Checking if file exists before processing it should
fix this.

[YOCTO #10185]

(Bitbake rev: 54565e7ca84d2722a2454e7fa52cda564b28b527)

Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com>
Signed-off-by: Michael Wood <michael.g.wood@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/ui/buildinfohelper.py

@@ -1758,6 +1758,9 @@ class BuildInfoHelper(object):
 
                 for basename in basenames:
                     artifact_path = os.path.join(deploy_dir_image, basename)
+                    if not os.path.exists(artifact_path):
+                        logger.warning("artifact %s doesn't exist, skipping" % artifact_path)
+                        continue
                     artifact_size = os.stat(artifact_path).st_size
 
                     # note that the artifact will only be saved against this