buildman: Deal more nicely with invalid build-status file
The 'done' files created by buildman may end up being empty if buildman
runs out of disk space while writing them. At present buildman dies with
an exception when using -s to check the build status. Fix this.
Seriesl-cc: trini
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/tools/buildman/builder.py b/tools/buildman/builder.py
index 6a6c83b..fbb2366 100644
--- a/tools/buildman/builder.py
+++ b/tools/buildman/builder.py
@@ -673,7 +673,12 @@
environment = {}
if os.path.exists(done_file):
with open(done_file, 'r') as fd:
- return_code = int(fd.readline())
+ try:
+ return_code = int(fd.readline())
+ except ValueError:
+ # The file may be empty due to running out of disk space.
+ # Try a rebuild
+ return_code = 1
err_lines = []
err_file = self.GetErrFile(commit_upto, target)
if os.path.exists(err_file):