Only make files writable before processing on Windows.

Prior to https://github.com/bazelbuild/bazel/commit/560b0ae4701dd2084160c45bb772396535b31f47, this was only done on Windows.

This is super slow on mac for libraries with thousands of resources.

RELNOTES: None
PiperOrigin-RevId: 170964688

1 files changed, 6 insertions, 2 deletions

diff --git a/src/tools/android/java/com/google/devtools/build/android/ScopedTemporaryDirectory.java b/src/tools/android/java/com/google/devtools/build/android/ScopedTemporaryDirectory.java
index e9c1ca6a48..9c3f5ceb11 100644
--- a/src/tools/android/java/com/google/devtools/build/android/ScopedTemporaryDirectory.java
+++ b/src/tools/android/java/com/google/devtools/build/android/ScopedTemporaryDirectory.java
@@ -74,13 +74,17 @@ final class ScopedTemporaryDirectory extends SimpleFileVisitor<Path> implements
 
   @Override
   public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
-    makeWritable(dir);
+    if (IS_WINDOWS) {
+      makeWritable(dir);
+    }
     return FileVisitResult.CONTINUE;
   }
 
   @Override
   public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
-    makeWritable(file);
+    if (IS_WINDOWS) {
+      makeWritable(file);
+    }
     Files.delete(file);
     return FileVisitResult.CONTINUE;
   }