Re: any way to apply tag across all branches in repository?

["Chris Friesen" <cfriesen@nortel.com>]

Brandon Casey wrote:
> Chris Friesen wrote:

>> [cfriesen@localhost linux]$ git tag -m 'a test tag' my_tag ncgl
> 
> What's "ncgl"?  Another branch at the same tip as "arch"?

Oops, missed a replace.  "ncgl" is my main branch.

> Ok, you tagged main, and previously arch was at the same state,
> so 'git describe' printed out 'my_tag' for both of them.  Now,
> the arch branch is ahead of main by one commit, so you get an
> expanded string from 'git describe' (the meaning of which I
> described earlier, above).
> 
>> Now we add another tag to the main branch:
>>
>> [cfriesen@localhost linux]$ git tag -m 'a test tag' my_tag2 main
>> [cfriesen@localhost linux]$ git describe main
>> my_tag
>> [cfriesen@localhost linux]$ git describe arch
>> my_tag-1-g4c8dfa7
>>
>> I assume that since there were no code changes on the main branch,
>> it doesn't think that there is any difference between the two tags.
> 
> Right.  There is no difference.  You created another tag pointing at
> the same revision as the first tag.  Here's something else to try:

<snip>

> Starting to make sense?

Yep.  I still need whatever identifier I use to be associated with the
head of each branch.

Based on the discussion (thanks for the explanations, by the way) I
don't see any option other than looping through each branch and using
tags with the branch name embedded in them to ensure uniqueness across
the repository.

Chris