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bitbake: build/siggen: Add support for stamp 'clean' masks

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Currently when we execute a task, we don't remove other potentially stale
stamps. This can mean if you switch between two different versions of a
recipe without a clean, the build can get very confused.

This patch adds in functionality to allow a wildcard expression of stamp
files to be removed when creating a new stamp file. This patch adds in
the core of the code to enable this but it also requires metadata support
to enable it.

When writing this improvement I went through several different options but
this was the only way I could find to allow things like noexec tasks to
function correctly (where stamps need to be created without the data store).

[YOCTO #2961]

(Bitbake rev: e026469b307522e5b6a680e0ae5587749d33dcae)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Richard Purdie
2012-09-18 11:32:04 +01:00
parent a4fd77db84
commit d485d0b0e8
3 changed files with 47 additions and 3 deletions
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bitbake/lib/bb/cache.py
+7 -1
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@@ -43,7 +43,7 @@ except ImportError:
logger.info("Importing cPickle failed. "
"Falling back to a very slow implementation.")
__cache_version__ = "144"
__cache_version__ = "145"
def getCacheFile(path, filename, data_hash):
return os.path.join(path, filename + "." + data_hash)
@@ -130,7 +130,9 @@ class CoreRecipeInfo(RecipeInfoCommon):
self.broken = self.getvar('BROKEN', metadata)
self.not_world = self.getvar('EXCLUDE_FROM_WORLD', metadata)
self.stamp = self.getvar('STAMP', metadata)
self.stampclean = self.getvar('STAMPCLEAN', metadata)
self.stamp_base = self.flaglist('stamp-base', self.tasks, metadata)
self.stamp_base_clean = self.flaglist('stamp-base-clean', self.tasks, metadata)
self.stamp_extrainfo = self.flaglist('stamp-extra-info', self.tasks, metadata)
self.file_checksums = self.flaglist('file-checksums', self.tasks, metadata, True)
self.packages_dynamic = self.listvar('PACKAGES_DYNAMIC', metadata)
@@ -157,7 +159,9 @@ class CoreRecipeInfo(RecipeInfoCommon):
cachedata.pkg_dp = {}
cachedata.stamp = {}
cachedata.stampclean = {}
cachedata.stamp_base = {}
cachedata.stamp_base_clean = {}
cachedata.stamp_extrainfo = {}
cachedata.file_checksums = {}
cachedata.fn_provides = {}
@@ -189,7 +193,9 @@ class CoreRecipeInfo(RecipeInfoCommon):
cachedata.pkg_pepvpr[fn] = (self.pe, self.pv, self.pr)
cachedata.pkg_dp[fn] = self.defaultpref
cachedata.stamp[fn] = self.stamp
cachedata.stampclean[fn] = self.stampclean
cachedata.stamp_base[fn] = self.stamp_base
cachedata.stamp_base_clean[fn] = self.stamp_base_clean
cachedata.stamp_extrainfo[fn] = self.stamp_extrainfo
cachedata.file_checksums[fn] = self.file_checksums