# feature appeared in git 2.6 and xenial claims it has git version 2.7.4. eventually,
# this version test can go away.
gitvertest="$(git version | sed -e 's/git version [0-9]\.//' | sed -e 's/\.[0-9][0-9]*$//' )"
# feature appeared in git 2.6 and xenial claims it has git version 2.7.4. eventually,
# this version test can go away.
gitvertest="$(git version | sed -e 's/git version [0-9]\.//' | sed -e 's/\.[0-9][0-9]*$//' )"