check_bindiron commit tree-diff: convert diff_root_tree_sha1() to just call diff_tree_sha1 with old=NULL (0b707c3)
   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