commit c7a14b78d55ef68bcc90d1d483039383107689d5
author felly <felly@google.com> Fri Dec 06 07:57:39 2019 -0800
committer Copybara-Service <copybara-worker@google.com> Fri Dec 06 07:58:34 2019 -0800
tree 3b75e6c0f3eead0de62f099aceb29f4b2e293742
parent 880b5f7c7b10d670fdf8c885cb67447662dee352

Delete param file before writing it.

RELNOTES: None
PiperOrigin-RevId: 284185223

src/main/java/com/google/devtools/build/lib/sandbox/SandboxHelpers.java

diff --git a/src/main/java/com/google/devtools/build/lib/sandbox/SandboxHelpers.java b/src/main/java/com/google/devtools/build/lib/sandbox/SandboxHelpers.java
index ba18289..107bfd9 100644
--- a/src/main/java/com/google/devtools/build/lib/sandbox/SandboxHelpers.java
+++ b/src/main/java/com/google/devtools/build/lib/sandbox/SandboxHelpers.java
@@ -119,6 +119,10 @@
         if (actionInput instanceof ParamFileActionInput) {
           ParamFileActionInput paramFileInput = (ParamFileActionInput) actionInput;
           Path outputPath = execRoot.getRelative(paramFileInput.getExecPath());
+          if (outputPath.exists()) {
+            outputPath.delete();
+          }
+
           outputPath.getParentDirectory().createDirectoryAndParents();
           try (OutputStream outputStream = outputPath.getOutputStream()) {
             paramFileInput.writeTo(outputStream);