[FFmpeg-user] Where to find the version ffmpeg version N-31774-g6c4e9ca

[Jim Worrall]

On Mar 1, 2012, at 9:13 AM, Nicolas George wrote:

> Le duodi 12 ventôse, an CCXX, X. Long a écrit :
>> I am using the newest version of ffmpeg on windows, and the old
>> version someone else used is attached below, where can I download the
>> exact version of the software for: ffmpeg version N-31774-g6c4e9ca?
> 
> The strange string at the end is the Git short hash, prefixed by "g", it
> identifies the version exactly. If you have a complete git clone of the
> source tree, the following command will put the tree at that version:

OK, I learned something there.  So what is the significance of the
N-31774 part of the version?