fix for older git versions
authorChris Koeritz <fred@gruntose.com>
Sun, 7 Jan 2018 17:48:41 +0000 (12:48 -0500)
committerChris Koeritz <fred@gruntose.com>
Wed, 10 Jan 2018 20:01:12 +0000 (15:01 -0500)
commit233fcc778459e8c21bc89e128abfe5a1e42c2f96
tree7ecf7645139755d537dd218aaa99f64c60019f7f
parent215f8c9416a5eee81d4c8f9164a208a780de59a6
fix for older git versions

checking the version so we don't try to use autostash before it is available.
scripts/rev_control/version_control.sh