obscache: skip the cache entirely if not up to date The current update code has some race condition windows around updating. But we also ensure the cache are up to date with every transaction. So outdated cache mean another client have been mudding the repository but things will get back in place at the next transaction. So we just skip using the cache when not up to date. This is not the best we could do. But this is good enough for now.

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#require test-repo

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  $ checkflake8() {

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  >   if ! (which flake8 > /dev/null); then

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  >     echo skipped: missing tool: flake8;

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  >     exit 80;

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  >   fi;

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  > };

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  $ checkflake8

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Copied from Mercurial core (60ee2593a270)

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  $ cd "`dirname "$TESTDIR"`"

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run flake8 if it exists; if it doesn't, then just skip

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  $ hg files -0 'set:(**.py or grep("^#!.*python")) - removed()' 2>/dev/null \

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  > | xargs -0 flake8