[bitbake-devel] [PATCH] siggen: Make it clear why nostamp tasks signatures don't match
Richard Purdie
richard.purdie at linuxfoundation.org
Wed Sep 30 13:55:56 UTC 2015
If you run bitbake-diffsigs against two differing sigdata files from
nostamp tasks it shows no difference despite the differing checksum.
Change the code so this shows up as a nostamp 'taint' and at least
makes the issue clearer to the end user.
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
diff --git a/bitbake/lib/bb/siggen.py b/bitbake/lib/bb/siggen.py
index 2985272..0352e45 100644
--- a/bitbake/lib/bb/siggen.py
+++ b/bitbake/lib/bb/siggen.py
@@ -80,6 +80,7 @@ class SignatureGeneratorBasic(SignatureGenerator):
self.taskdeps = {}
self.runtaskdeps = {}
self.file_checksum_values = {}
+ self.taints = {}
self.gendeps = {}
self.lookupcache = {}
self.pkgnameextract = re.compile("(?P<fn>.*)\..*")
@@ -199,11 +200,14 @@ class SignatureGeneratorBasic(SignatureGenerator):
if 'nostamp' in taskdep and task in taskdep['nostamp']:
# Nostamp tasks need an implicit taint so that they force any dependent tasks to run
import uuid
- data = data + str(uuid.uuid4())
+ taint = str(uuid.uuid4())
+ data = data + taint
+ self.taints[k] = "nostamp:" + taint
taint = self.read_taint(fn, task, dataCache.stamp[fn])
if taint:
data = data + taint
+ self.taints[k] = taint
logger.warn("%s is tainted from a forced run" % k)
h = hashlib.md5(data).hexdigest()
@@ -247,6 +251,10 @@ class SignatureGeneratorBasic(SignatureGenerator):
if taint:
data['taint'] = taint
+ if runtime and k in self.taints:
+ if 'nostamp:' in self.taints[k]:
+ data['taint'] = self.taints[k]
+
fd, tmpfile = tempfile.mkstemp(dir=os.path.dirname(sigfile), prefix="sigtask.")
try:
with os.fdopen(fd, "wb") as stream:
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