Pass Fileset information to the Action filesystem.

PiperOrigin-RevId: 208096548
diff --git a/src/main/java/com/google/devtools/build/lib/exec/FilesetManifest.java b/src/main/java/com/google/devtools/build/lib/exec/FilesetManifest.java
index 1b35631..af6232b 100644
--- a/src/main/java/com/google/devtools/build/lib/exec/FilesetManifest.java
+++ b/src/main/java/com/google/devtools/build/lib/exec/FilesetManifest.java
@@ -15,7 +15,9 @@
 
 import static java.nio.charset.StandardCharsets.UTF_8;
 
+import com.google.common.collect.ImmutableMap;
 import com.google.common.io.LineProcessor;
+import com.google.devtools.build.lib.actions.FileArtifactValue;
 import com.google.devtools.build.lib.actions.FilesetOutputSymlink;
 import com.google.devtools.build.lib.analysis.AnalysisUtils;
 import com.google.devtools.build.lib.vfs.FileSystemUtils;
@@ -57,7 +59,7 @@
       Path execRoot,
       String workspaceName,
       RelativeSymlinkBehavior relSymlinkBehavior)
-          throws IOException {
+      throws IOException {
     Path file = execRoot.getRelative(AnalysisUtils.getManifestPathFromFilesetPath(manifest));
     try {
       return FileSystemUtils.asByteSource(file).asCharSource(UTF_8)
@@ -77,13 +79,17 @@
       throws IOException {
     LinkedHashMap<PathFragment, String> entries = new LinkedHashMap<>();
     Map<PathFragment, String> relativeLinks = new HashMap<>();
+    Map<String, FileArtifactValue> artifactValues = new HashMap<>();
     for (FilesetOutputSymlink outputSymlink : outputSymlinks) {
       PathFragment fullLocation = targetPrefix.getRelative(outputSymlink.getName());
       String artifact = outputSymlink.getTargetPath().getPathString();
       artifact = artifact.isEmpty() ? null : artifact;
       addSymlinkEntry(artifact, fullLocation, relSymlinkbehavior, entries, relativeLinks);
+      if (outputSymlink.getMetadata() instanceof FileArtifactValue) {
+        artifactValues.put(artifact, (FileArtifactValue) outputSymlink.getMetadata());
+      }
     }
-    return constructFilesetManifest(entries, relativeLinks);
+    return constructFilesetManifest(entries, relativeLinks, artifactValues);
   }
 
   private static final class ManifestLineProcessor implements LineProcessor<FilesetManifest> {
@@ -147,7 +153,7 @@
 
     @Override
     public FilesetManifest getResult() {
-      return constructFilesetManifest(entries, relativeLinks);
+      return constructFilesetManifest(entries, relativeLinks, ImmutableMap.of());
     }
   }
 
@@ -173,7 +179,8 @@
   }
 
   private static FilesetManifest constructFilesetManifest(
-      Map<PathFragment, String> entries, Map<PathFragment, String> relativeLinks) {
+      Map<PathFragment, String> entries, Map<PathFragment, String> relativeLinks,
+      Map<String, FileArtifactValue> artifactValues) {
     // Resolve relative symlinks if possible. Note that relativeLinks only contains entries in
     // RESOLVE mode.
     for (Map.Entry<PathFragment, String> e : relativeLinks.entrySet()) {
@@ -196,16 +203,24 @@
       }
       entries.put(location, actual);
     }
-    return new FilesetManifest(entries);
+    return new FilesetManifest(entries, artifactValues);
   }
 
   private final Map<PathFragment, String> entries;
+  private final Map<String, FileArtifactValue> artifactValues;
 
-  private FilesetManifest(Map<PathFragment, String> entries) {
+  private FilesetManifest(Map<PathFragment, String> entries,
+      Map<String, FileArtifactValue> artifactValues) {
     this.entries = Collections.unmodifiableMap(entries);
+    this.artifactValues = artifactValues;
   }
 
   public Map<PathFragment, String> getEntries() {
     return entries;
   }
-}
+
+  public Map<String, FileArtifactValue> getArtifactValues() {
+    return artifactValues;
+  }
+
+}
\ No newline at end of file