[TOOL] pull and sed some var's in repo

[Viste]

Today i write python script for pull existing git repo(in case of modified files in repo will be done reset) and sed some vars for my needs(support of #3911).
If someone need to do something similar you cat use:
https://gist.github.com/Viste/a7cba5c14a3e655590d420b9c6013614

also you can post your wishes and i can update/rewrite script for this wishes