Revert "Do not use double quotes on git command with --format option"
Revert "Do not use double quotes on git command with --format option"

This reverts commit 3385305da01ff72809e47bdbeb0422859faa5414.

rtfd/readthedocs.org,davidfischer/readthedocs.org,davidfischer/readthedocs.org,safwanrahman/readthedocs.org,safwanrahman/readthedocs.org,davidfischer/readthedocs.org,safwanrahman/readthedocs.org,davidfischer/readthedocs.org,rtfd/readthedocs.org,rtfd/readthedocs.org,safwanrahman/readthedocs.org,rtfd/readthedocs.org