[bitbake-devel] [PATCH 1/1] data_smart.py: Uses BB_HASHCONFIG_WHITELIST to filter unnecessary variables
Dongxiao Xu
dongxiao.xu at intel.com
Mon Feb 27 14:37:32 UTC 2012
Adopt the BB_HASHCONFIG_WHITELIST as a exclusion list for variables that are
not needed in cache hash calculation.
Signed-off-by: Dongxiao Xu <dongxiao.xu at intel.com>
CC: Christopher Larson <kergoth at gmail.com>
CC: Martin Jansa <martin.jansa at gmail.com>
CC: Andreas Oberritter <obi at opendreambox.org>
---
lib/bb/data_smart.py | 16 ++++------------
1 files changed, 4 insertions(+), 12 deletions(-)
diff --git a/lib/bb/data_smart.py b/lib/bb/data_smart.py
index 24c7a8f..7765f81 100644
--- a/lib/bb/data_smart.py
+++ b/lib/bb/data_smart.py
@@ -463,20 +463,12 @@ class DataSmart(MutableMapping):
def get_hash(self):
data = ""
- keys = iter(self)
+ config_whitelist = set((self.getVar("BB_HASHCONFIG_WHITELIST", True) or "").split())
+ keys = set(key for key in iter(self) if not key.startswith("__"))
for key in keys:
- if key in ["TIME", "DATE"]:
+ if key in config_whitelist:
continue
- if key == "__depends":
- deps = list(self.getVar(key, False))
- deps.sort()
- value = [deps[i][0] for i in range(len(deps))]
- elif key == "PATH":
- path = list(set(self.getVar(key, False).split(':')))
- path.sort()
- value = " ".join(path)
- else:
- value = self.getVar(key, False) or ""
+ value = self.getVar(key, False) or ""
data = data + key + ': ' + str(value) + '\n'
return hashlib.md5(data).hexdigest()
--
1.7.4.1
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