t / t4050-diff-histogram.shon commit tree-diff: convert diff_root_tree_sha1() to just call diff_tree_sha1 with old=NULL (0b707c3)
   1#!/bin/sh
   2
   3test_description='histogram diff algorithm'
   4
   5. ./test-lib.sh
   6. "$TEST_DIRECTORY"/lib-diff-alternative.sh
   7
   8test_diff_frobnitz "histogram"
   9
  10test_diff_unique "histogram"
  11
  12test_done