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authorYu Ke <ke.yu@intel.com>2010-12-27 09:31:38 +0800
committerRichard Purdie <richard.purdie@linuxfoundation.org>2011-01-10 20:24:33 +0000
commit1589a1172f9432aed1cc9ce006f68cddf3073774 (patch)
tree48616149e847a09c87668f6342b64dce15f4f57f /meta/site
parent550c3bd82115b4bdb8235da53cfc18b1dc39ad96 (diff)
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Fetcher: break the "SRCREVINACTION" deadlock
Current fetcher has annoying "SRCREVINACTION" deadlock, which occurs when SRCREV=${AUTOREV}=@bb.fetch.get_srcrev(): get_srcrev()->setup_localpath()->srcrev_internal_helper() ->evaluate SRCREV->get_srcrev() current fetcher resolve the deadlock by introducing a "SRCREVINACTION" condition check. Althoguh it works, it is indeed not clean. This patch use antoehr idea to break the deadlock: break the dependency among SRCREV and get_srcrev(), i.e. assign a specific keyword "AUTOINC" to AUTOREV. when Fetcher meet this keyword, it will check and set the latest revision to urldata.revision. get_srcrev later can use the urldata.revision for value evaluation(SRCPV etc). In this case, SRCREV no longer depends on get_srcrev, and there is not deadlock anymore. Signed-off-by: Yu Ke <ke.yu@intel.com>
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