tag: allow multiple tags to be added or removed - Example: "hg tag -r 42 build-25 beta-1" will add tags build-25 and beta-1 for rev 42. - The deprecated and undocumented usage "hg tag arg1 arg2" used to emit a warning, then add tag arg1 for rev arg2 (equivalent to "hg tag -r arg2 arg1"). It will now add tags arg1 and arg2 for the current revision. - If one tag triggers an error, no tags are added/removed (all or nothing).

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#!/bin/sh

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hg init

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touch a

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hg add a

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hg ci -m "a" -d "1000000 0"

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echo 123 > b

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hg add b

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hg diff --nodates

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hg diff --nodates -r tip

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echo foo > a

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hg diff --nodates

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hg diff -r ""

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hg diff -r tip -r ""

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true