gcc/libgo/mvifdiff.sh
Ian Lance Taylor 4368bc4589 runtime: introduce mvifdiff.sh script to replace GCC's move-if-change
This goes towards making libgo more self-contained.

From-SVN: r218198
2014-12-01 01:06:29 +00:00

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#!/bin/sh
# Copyright 2014 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# The mvifdiff.sh script works like the mv(1) command, except
# that it does not touch the destination file if its contents
# are the same as the source file.
if cmp -s "$1" "$2" ; then
rm "$1"
else
mv "$1" "$2"
fi