Properly detecting git revision

[Abel Luck]

Werner Koch:
> On Thu, 15 Nov 2012 14:21, abel at guardianproject.info said:
> 
>> The proper way, imho, of detecting the revision number is:
>>
>>     git rev-parse --short HEAD 2> /dev/null | tr -d '\n'
> 
> Probably.
> 
>> Shall I submit patches for all the affected repos?
> 
> Let me do it.  It is easier than to check that the patches are okay.
> And well, any non-working stuff will be my fault ;-).
> 

Looks like this one still needs to be applied to the pinentry repo.

Thanks for doing the others :)

~abel