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rm_work.bbclass never deletes downloaded files, even if they are not
going to be needed again during the
build. rm_work_and_downloads.bbclass is more aggressive in minimizing
the used disk space during a build, but has other disadvantages:
- sources required by different recipes need to be fetched once per
recipe, not once per build
- incremental builds do not work reliably because sources get
removed without ensuring that sources gets fetched again
That makes rm_work_and_downloads.bbclass useful for one-time builds in
a constrained environment (like a CI system), but not for general use.
Signed-off-by: Patrick Ohly <patrick.ohly@intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
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Richard Purdie
Patrick Ohly