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histedit: improve documentation and behaviour of dates...

histedit: improve documentation and behaviour of dates This clarifies in the histedit documentation that the 'edit' action preserves the date and that the 'fold' action uses the later date. The documentation was previously silent on this issue which left users in doubt.

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             test-clone-pull-corruption.t
        
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      Corrupt an hg repo with a pull started during an aborted commit

      Create two repos, so that one of them can pull from the other one.

        $ hg init source

        $ cd source

        $ touch foo

        $ hg add foo

        $ hg ci -m 'add foo'

        $ hg clone . ../corrupted

        updating to branch default

        1 files updated, 0 files merged, 0 files removed, 0 files unresolved

        $ echo >> foo

        $ hg ci -m 'change foo'

      Add a hook to wait 5 seconds and then abort the commit

        $ cd ../corrupted

        $ echo "[hooks]" >> .hg/hgrc

        $ echo 'pretxncommit = sh -c "sleep 5; exit 1"' >> .hg/hgrc

      start a commit...

        $ touch bar

        $ hg add bar

        $ hg ci -m 'add bar' &

      ... and start a pull while the commit is still running

        $ sleep 1

        $ hg pull ../source 2>/dev/null

        pulling from ../source

        transaction abort!

        rollback completed

        abort: pretxncommit hook exited with status 1

        searching for changes

        adding changesets

        adding manifests

        adding file changes

        added 1 changesets with 1 changes to 1 files

        (run 'hg update' to get a working copy)

      see what happened

        $ wait

        $ hg verify

        checking changesets

        checking manifests

        crosschecking files in changesets and manifests

        checking files

        1 files, 2 changesets, 2 total revisions

        $ cd ..

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				Corrupt an hg repo with a pull started during an aborted commit
				Create two repos, so that one of them can pull from the other one.

				$ hg init source
				$ cd source
				$ touch foo
				$ hg add foo
				$ hg ci -m 'add foo'
				$ hg clone . ../corrupted
				updating to branch default
				1 files updated, 0 files merged, 0 files removed, 0 files unresolved
				$ echo >> foo
				$ hg ci -m 'change foo'

				Add a hook to wait 5 seconds and then abort the commit

				$ cd ../corrupted
				$ echo "[hooks]" >> .hg/hgrc
				$ echo 'pretxncommit = sh -c "sleep 5; exit 1"' >> .hg/hgrc

				start a commit...

				$ touch bar
				$ hg add bar
				$ hg ci -m 'add bar' &

				... and start a pull while the commit is still running

				$ sleep 1
				$ hg pull ../source 2>/dev/null
				pulling from ../source
				transaction abort!
				rollback completed
				abort: pretxncommit hook exited with status 1
				searching for changes
				adding changesets
				adding manifests
				adding file changes
				added 1 changesets with 1 changes to 1 files
				(run 'hg update' to get a working copy)

				see what happened

				$ wait
				$ hg verify
				checking changesets
				checking manifests
				crosschecking files in changesets and manifests
				checking files
				1 files, 2 changesets, 2 total revisions

				$ cd ..