Subject: emacs-repository-version is always nil

From: Glenn Morris <[email-masked]>
Date: Fri, 12 Jun 2015 15:50:50 -0400

Package: emacs
Version: 25.0.50

emacs-repository-version is always nil.
It seems to be because exec-path is nil during dump, so "call-process git"
(in emacs-repository-get-version) fails to find the program.
getenv "PATH" is also nil.

Ref:
http://lists.gnu.org/archive/html/emacs-devel/2014-11/msg01059.html
http://lists.gnu.org/archive/html/emacs-devel/2014-11/msg01067.html