git filter-branch bug

test.sh

#!/bin/sh

set -e

GIT=git

message()
{
	echo
	echo "${1}"
	echo "----------------------------------------"
}

init_repo()
{
	$GIT init
	echo aaa > a.txt && $GIT add a.txt && $GIT commit -a -m a
	echo bbb > a.txt && $GIT add a.txt && $GIT commit -a -m b
	echo ccc > a.txt && $GIT add a.txt && $GIT commit -a -m c
}

# test `git replace` and git `filter-branch`
test_one()
{
	local dir="a"
	message 'Test One: `git replace` and git `filter-branch`'
	rm -rf "${dir}" && mkdir "${dir}" && cd "${dir}"
	init_repo
	# Replace "bbb" with "aaa"
	$GIT replace f761ec192d9f0dca3329044b96ebdb12839dbff6 72943a16fb2c8f38f9dde202b7a70ccc19c52f34
	message 'With `master`'
	$GIT filter-branch -f --prune-empty -- master
	message 'With `--all`'
	$GIT filter-branch -f --prune-empty -- --all
	message 'With `master` and `--tree-filter true`'
	$GIT filter-branch -f --prune-empty --tree-filter true -- master
}

# test `git replace` and `git log`
test_two()
{
	local dir="a"
	message 'Test Two: `git replace` and `git log`'
	rm -rf "${dir}" && mkdir "${dir}" && cd "${dir}"
	init_repo
	#
	git replace HEAD HEAD~2
	git log --all
}

test_one
test_two