bitbake: checksum: Allow spaces in URI filenames

If there are spaces in the URI filenames it can break the code.
We already solved this issue once somewhere else in the code so
use the same regex trick here as well.

We should ultimately refactor this code but at least fix the issue
for now.

(Bitbake rev: 57e2fc4d7f60afea4d4b2c84761324dd99e74a87)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/checksum.py

@@ -11,10 +11,13 @@ import os
 import stat
 import bb.utils
 import logging
+import re
 from bb.cache import MultiProcessCache
 
 logger = logging.getLogger("BitBake.Cache")
 
+filelist_regex = re.compile(r'(?:(?<=:True)|(?<=:False))\s+')
+
 # mtime cache (non-persistent)
 # based upon the assumption that files do not change during bitbake run
 class FileMtimeCache(object):
@@ -109,7 +112,12 @@ class FileChecksumCache(MultiProcessCache):
             return dirchecksums
 
         checksums = []
-        for pth in filelist.split():
+        for pth in filelist_regex.split(filelist):
+            if not pth:
+                continue
+            pth = pth.strip()
+            if not pth:
+                continue
             exist = pth.split(":")[1]
             if exist == "False":
                 continue