Fixed the issue that hard links are handled improperly when bazel decompresses tarballs.

Issue link: https://github.com/bazelbuild/bazel/issues/574

--
MOS_MIGRATED_REVID=132434278

1 files changed, 13 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/vfs/JavaIoFileSystem.java b/src/main/java/com/google/devtools/build/lib/vfs/JavaIoFileSystem.java
index dead488021..7cc10aa8eb 100644
--- a/src/main/java/com/google/devtools/build/lib/vfs/JavaIoFileSystem.java
+++ b/src/main/java/com/google/devtools/build/lib/vfs/JavaIoFileSystem.java
@@ -191,6 +191,11 @@ public class JavaIoFileSystem extends AbstractFileSystemWithCustomStat {
   }
 
   @Override
+  public boolean supportsHardLinksNatively() {
+    return true;
+  }
+
+  @Override
   public boolean isFilePathCaseSensitive() {
     return true;
   }
@@ -468,4 +473,12 @@ public class JavaIoFileSystem extends AbstractFileSystemWithCustomStat {
       throw new IllegalStateException(e);
     }
   }
+
+  @Override
+  protected void createFSDependentHardLink(Path linkPath, Path originalPath)
+      throws IOException {
+    Files.createLink(
+        java.nio.file.Paths.get(linkPath.toString()),
+        java.nio.file.Paths.get(originalPath.toString()));
+  }
 }