Merge "Delete output files before copying to them."

am: 074a5d35bf Change-Id: I37673bb2aae7076a18788b36a917625d95474302
2017-07-27 02:04:38 +00:00
parent 47547b3aae 074a5d35bf
commit eb08b587b1
1 changed files with 1 additions and 1 deletions
--- a/android/defs.go
+++ b/android/defs.go
@@ -47,7 +47,7 @@ var (
 	// A copy rule.
 	Cp = pctx.AndroidStaticRule("Cp",
 		blueprint.RuleParams{
-			Command:     "cp $cpPreserveSymlinks $cpFlags $in $out",
+			Command:     "rm -f $out && cp $cpPreserveSymlinks $cpFlags $in $out",
 			Description: "cp $out",
 		},
 		"cpFlags")