[issue1993] 'update' command should distinguish between tag and branch

[cbgm]

New submission from cbgm <cubegm at gmail.com>:

Mercurial 'update' command should distinguish between tag and branch.

As for now, 'update' command prefers tag name if there are tagged revision
and named branch with same name in repository.

It is possibly '-r' key of 'update' command should update working copy to
tagged revision whereas 'update' without the key should update to named
branch head revision; or, maybe there should be something like 'tag:' prefix
to distinguish between tag and branch.

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messages: 11500
nosy: cbgm
priority: wish
status: unread
title: 'update' command should distinguish between tag and branch

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