transaction: always remove empty journal on abort When transactions without entries were aborted, the journal (of size 0) was not unlinked, which prevents subsequent operations until hg recover is run on the repository. We also make sure the journal is unlinked when committing, even if the provided hook doesn't do so.

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#!/bin/sh

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hg init

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echo a > a

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hg ci -Am0

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hg -q clone . foo

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touch .hg/store/journal

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echo foo > a

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hg ci -Am0

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hg recover

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echo % check that zero-size journals are correctly aborted

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hg bundle -qa repo.hg

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chmod -w foo/.hg/store/00changelog.i

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hg -R foo unbundle repo.hg 2>&1 | sed 's/\(abort: Permission denied\).*/\1/'

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if test -f foo/.hg/store/journal; then echo 'journal exists :-('; fi

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exit 0