check_bindiron commit describe --contains: default to HEAD when no commit-ish is given (2bd0706)
   1#!/bin/sh
   2bindir="$1"
   3gitexecdir="$2"
   4gitcmd="$3"
   5if test "$bindir" != "$gitexecdir" -a -x "$gitcmd"
   6then
   7        echo
   8        echo "!! You have installed git-* commands to new gitexecdir."
   9        echo "!! Old version git-* commands still remain in bindir."
  10        echo "!! Mixing two versions of Git will lead to problems."
  11        echo "!! Please remove old version commands in bindir now."
  12        echo
  13fi