streamclone: stop listing files for entries that have no volatile files This will save a lot of python related time. This significantly boost performance. The following number comes from a large private repository using perf::stream-locked-section: base-line: 35.04 seconds prev-change: 24.51 seconds (-30%) prev-change: 20.88 seconds (-40%) prev-change: 14.22 seconds (-60%) this-change: 11.58 seconds (-67% from baseline; -18% from prev)

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fixbundle() {

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    grep -v 'saving bundle' | grep -v 'saved backup' | \

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        grep -v added | grep -v adding | \

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        grep -v "unable to find 'e' for patching" | \

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        grep -v "e: No such file or directory" | \

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    cat

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}