Updated tags support

[John A Meinel]

Jan Hudec wrote:
> On Thu, Dec 29, 2005 at 13:03:33 -0600, Matthew D. Fuller wrote:
>> On Thu, Dec 29, 2005 at 10:11:56AM -0800 I heard the voice of
>> Robey Pointer, and lo! it spake thus:
>>> I've been trying to stay out of this one, but I can't resist any
>>> more.
>>>
>>> This all seems ridiculously complex.  Commit a tag? What? :)  Could
>>> we simplify this down?
>> That's my feeling.
>>
>> % bzr tag -r78 FOO
>> % bzr tag --delete FOO
>> % bzr tag --move -r79 FOO
>> % bzr tag --list
>>
>> Those all seem pretty self explanatory.  The only obvious ambiguity is
>> whether "bzr tag FOO" would tag the head of the tree or the currently
>> checked-out rev.  Commiting tags, or `bzr showtag` and `bzr movetag`
> 
> AFAICT bzr does not support checking out different revision than the
> current head, so there is no ambiguity.
> 
>> and `bzr settag` and family, just make me twitch.  I'm slowly moving
>> stuff into bzr instead of into tla for a _reason_!
> 

I believe Matthew was referring to the behavior of Niemeyer's tag
branch, where "bzr set-tag FOO" sets a tag such that it gets the
revision id of the next commit.

If we separate tags from the commit logic, I don't think this is necessary.

John
=:->

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