1 files changed, 14 insertions, 0 deletions
diff --git a/llgo/third_party/gofrontend/move-if-change b/llgo/third_party/gofrontend/move-if-change
new file mode 100755
index 00000000000..1b8bac6a389
--- /dev/null
+++ b/llgo/third_party/gofrontend/move-if-change
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+# This file is distributed under the University of Illinois Open Source
+# License. See LICENSE.TXT for details.
+
+# 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