hook: have a generic hook for transaction opening We are adding generic hooking for all transactions. We do not really have any useful information to include when opening the transaction but this is a useful time to allow a hook anyway. We better let people abort transaction before they happen than after multiple seconds/minutes of processing.

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#!/bin/sh

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#  @  3: 'move2'

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#  |

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#  o  2: 'move1'

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#  |

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#  | o  1: 'change'

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#  |/

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#  o  0: 'add'

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hg init copies

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cd copies

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echo a > a

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echo b > b

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echo c > c

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hg ci -Am add

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echo a >> a

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echo b >> b

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echo c >> c

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hg ci -m change

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hg up -qC 0

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hg cp a d

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hg mv b e

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hg mv c f

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hg ci -m move1

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hg mv e g

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hg mv f c

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hg ci -m move2

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hg bundle -a ../renames.hg

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cd ..