Template align tags output

[Tom Anderson]

On 17/07/12 08:23, anatoly techtonik wrote:
> I am trying to get what releases contain a specific revision (8bb6).
>
> $ hg log -r "descendants(8bb6) and tag()" --template
> "{tags}\t{rev}:{node|short}\n"
> pyglet-1.0alpha1	936:727c422fcc95
> pyglet-1.0alpha2	1142:f2b5c7e11d7f
> pyglet-1.0beta1	1336:084e5d57609d
> pyglet-1.0beta2	1363:c7eac959dc0c
> pyglet-1.0beta3	1451:b30bbb44efa6
> pyglet-1.0	1543:b5ed21968f06
> pyglet-1.1alpha1	1793:e22423cd9c4a
> pyglet-1.1alpha2	1907:21fb7f6ce977
> pyglet-1.1beta1	1957:ce8a50069a13
> pyglet-1.1beta2	2034:cb3e6f1ed68c
> ...
>
> As you may see the indentation skews and tab doesn't help. Is it
> possible to align the output by columns similar to `hg tags`?

I don't know of a way to do this in Mercurial, but if you're on unix, 
you can pipe the output to column -t to get a nice table.

As long as you don't have any whitespace inside any of your fields. If 
you do, you can bracket the column -t with calls to tr to transpose any 
whitespace you want to preserve into non-whitespace characters and then 
back again. So:

hg log -r "descendants(8bb6) and tag()" --template 
"{tags}\t{rev}:{node|short}\n" | tr ' ' '_' | column -t | tr '_' ' '

It would be useful to have a way to do this within templates, though, so 
you could use it in aliases.

tom

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