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author | Richard Purdie <richard.purdie@linuxfoundation.org> | 2020-04-02 21:39:03 +0100 |
---|---|---|
committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2020-04-06 16:45:14 +0100 |
commit | f483ee4a869fb1dafbe4bdf2da228cdaa40b38bd (patch) | |
tree | 2efdd013708bb26090fd024c239d9753e7e44dbd | |
parent | 76396230731432b38fdcb25ad27bb84065bc89e5 (diff) | |
download | bitbake-contrib-f483ee4a869fb1dafbe4bdf2da228cdaa40b38bd.tar.gz |
data/siggen: Don't expand ignored variables
If a variable is in the signature whitelist, we'd currently expand
it, then later ignore the data. This is problemtic for code which
has effects when expanded, recently source date epoch in OE-Core
for example.
We don't actually need to do this, if we pass the whitelist into
the earlier function it can avoid the expansion. This also also
give a small performance boost since we avoid running code in some
cases.
[YOCTO #13581]
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r-- | lib/bb/data.py | 4 | ||||
-rw-r--r-- | lib/bb/siggen.py | 2 | ||||
-rw-r--r-- | lib/bb/tests/data.py | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/lib/bb/data.py b/lib/bb/data.py index 6dc02172c..b0683c518 100644 --- a/lib/bb/data.py +++ b/lib/bb/data.py @@ -365,7 +365,7 @@ def build_dependencies(key, keys, shelldeps, varflagsexcl, d): #bb.note("Variable %s references %s and calls %s" % (key, str(deps), str(execs))) #d.setVarFlag(key, "vardeps", deps) -def generate_dependencies(d): +def generate_dependencies(d, whitelist): keys = set(key for key in d if not key.startswith("__")) shelldeps = set(key for key in d.getVar("__exportlist", False) if d.getVarFlag(key, "export", False) and not d.getVarFlag(key, "unexport", False)) @@ -380,7 +380,7 @@ def generate_dependencies(d): newdeps = deps[task] seen = set() while newdeps: - nextdeps = newdeps + nextdeps = newdeps - whitelist seen |= nextdeps newdeps = set() for dep in nextdeps: diff --git a/lib/bb/siggen.py b/lib/bb/siggen.py index 8bfc45235..4c8d81c5d 100644 --- a/lib/bb/siggen.py +++ b/lib/bb/siggen.py @@ -146,7 +146,7 @@ class SignatureGeneratorBasic(SignatureGenerator): def _build_data(self, fn, d): ignore_mismatch = ((d.getVar("BB_HASH_IGNORE_MISMATCH") or '') == '1') - tasklist, gendeps, lookupcache = bb.data.generate_dependencies(d) + tasklist, gendeps, lookupcache = bb.data.generate_dependencies(d, self.basewhitelist) taskdeps, basehash = bb.data.generate_dependency_hash(tasklist, gendeps, lookupcache, self.basewhitelist, fn) diff --git a/lib/bb/tests/data.py b/lib/bb/tests/data.py index 2b137706d..5f195047d 100644 --- a/lib/bb/tests/data.py +++ b/lib/bb/tests/data.py @@ -476,7 +476,7 @@ class Contains(unittest.TestCase): class TaskHash(unittest.TestCase): def test_taskhashes(self): def gettask_bashhash(taskname, d): - tasklist, gendeps, lookupcache = bb.data.generate_dependencies(d) + tasklist, gendeps, lookupcache = bb.data.generate_dependencies(d, set()) taskdeps, basehash = bb.data.generate_dependency_hash(tasklist, gendeps, lookupcache, set(), "somefile") bb.warn(str(lookupcache)) return basehash["somefile:" + taskname] |