D6709: config: add --registered flag to show all known configs

[pulkit (Pulkit Goyal)]

pulkit added inline comments.

INLINE COMMENTS

> commands.py:1888
>          fm.condwrite(ui.debugflag, 'source', '%s: ', source)
> +        fm.data(defaultvalue=defaultvalue)
>          if uniquesel:

unrequired change I guess

> marmoute wrote in test-config.t:228
> Displaying the default vs current is good idea, but the current proposal might be a bit odd:
> 
> If nothing is set we will have:
> 
>   annotate.ignoreblanklines=False
> 
> If something is set and is the same as the default we'll have
> 
>   annotate.ignoreblanklines=False
> 
> If something is set and is different from the repo we will have
> 
>   annotate.ignoreblanklines=True (default: False)
> 
> The first two cases can't be distinguish while they probably should, and the default value is displayed differently between the first and third case.

In the second case above,

How about something like:

  annotate.ignoreblanklines=False  (default: False)

i.e. we show `(default ..)` if the user has set that config option.

> test-config.t:990
> +  worker.backgroundclosemaxqueue=384
> +  worker.backgroundcloseminfilecount=2048
> +  worker.backgroundclosethreadcount=4

Can you add some tests for `hg config <some-config> --registered`?

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D6709/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D6709

To: navaneeth.suresh, #hg-reviewers, av6, marmoute
Cc: pulkit, marmoute, av6, mjpieters, mercurial-devel