use FETCH_HEAD default for version_from_git
use FETCH_HEAD default for version_from_git

ericmjl/bokeh,bokeh/bokeh,bokeh/bokeh,bokeh/bokeh,bokeh/bokeh,ericmjl/bokeh,ericmjl/bokeh,bokeh/bokeh,ericmjl/bokeh,ericmjl/bokeh