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afterlock: add the callback to the top level lock (issue4608)...
afterlock: add the callback to the top level lock (issue4608) If 'wlock' is taken, we should add 'afterlock' callback to the 'wlock' instead. Otherwise, running post transaction hook after 'lock' is release but 'wlock' is still taken lead to a deadlock (eg: 'hg update' during a hook). This situation is much more common since: 5dc5cd7abbf5 push: acquire local 'wlock' if "pushback" is expected (BC) (issue4596)

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multirevs.txt
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When Mercurial accepts more than one revision, they may be specified
individually, or provided as a topologically continuous range,
separated by the ":" character.
The syntax of range notation is [BEGIN]:[END], where BEGIN and END are
revision identifiers. Both BEGIN and END are optional. If BEGIN is not
specified, it defaults to revision number 0. If END is not specified,
it defaults to the tip. The range ":" thus means "all revisions".
If BEGIN is greater than END, revisions are treated in reverse order.
A range acts as a closed interval. This means that a range of 3:5
gives 3, 4 and 5. Similarly, a range of 9:6 gives 9, 8, 7, and 6.