>>> "SJ" == Sven Joachim <svenjoac@gmx.de> writes:

> On 2019-08-09 13:24 -0700, Paul Eggert wrote:
>> On 8/9/19 8:40 AM, Uwe Brauer wrote:
>>> Any change to tell emacs to use the mercurial hash tag?
>> 
>> Sorry, it's not clear what you're asking for here. If you'd like to
>> write and debug the feature it sounds like it'd be a good thing to add
>> to Emacs, though I wouldn't expect it to appear unless a
>> Mercurial-using developer takes the initiative to develop it since it
>> should be needed only by developers of Emacs.

> It might actually be a bit confusing to them if mercurial revision IDs
> are included in bug reports, since those do not exist in the git
> repository.  And I have not found a way to get the original git SHA1
> back, at least it is not reported in "hg log --debug".

This is possible 

    1. Short hash: log -r shortHGhash  --template '{gitnode|short}\n'

    2. Long hash: log -r shortHGhash  --template '{gitnode}\n'

Uwe Brauer