bitbake: siggen: Ensure taskhash mismatches don't override existing data

We recalculate the taskhash to ensure the version we have matches
what we think it should be. When we write out a sigdata file, use
the calculated value so that we don't overwrite any existing file.
This leaves any original taskhash sigdata file intact to allow a
debugging comparison.

(Bitbake rev: dac68af6f4add9c99cb7adcf23b2ae89b96ca075)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2016-11-02 15:07:33 +00:00
parent f17446b645
commit a34582a85e

View File

@@ -283,6 +283,15 @@ class SignatureGeneratorBasic(SignatureGenerator):
if 'nostamp:' in self.taints[k]:
data['taint'] = self.taints[k]
computed_basehash = calc_basehash(data)
if computed_basehash != self.basehash[k]:
bb.error("Basehash mismatch %s versus %s for %s" % (computed_basehash, self.basehash[k], k))
if runtime and k in self.taskhash:
computed_taskhash = calc_taskhash(data)
if computed_taskhash != self.taskhash[k]:
bb.error("Taskhash mismatch %s versus %s for %s" % (computed_taskhash, self.taskhash[k], k))
sigfile = sigfile.replace(self.taskhash[k], computed_taskhash)
fd, tmpfile = tempfile.mkstemp(dir=os.path.dirname(sigfile), prefix="sigtask.")
try:
with os.fdopen(fd, "wb") as stream:
@@ -297,15 +306,6 @@ class SignatureGeneratorBasic(SignatureGenerator):
pass
raise err
computed_basehash = calc_basehash(data)
if computed_basehash != self.basehash[k]:
bb.error("Basehash mismatch %s versus %s for %s" % (computed_basehash, self.basehash[k], k))
if runtime and k in self.taskhash:
computed_taskhash = calc_taskhash(data)
if computed_taskhash != self.taskhash[k]:
bb.error("Taskhash mismatch %s versus %s for %s" % (computed_taskhash, self.taskhash[k], k))
def dump_sigs(self, dataCaches, options):
for fn in self.taskdeps:
for task in self.taskdeps[fn]: