Fix the SpawnInputExpander to compute the manifest path correctly

PiperOrigin-RevId: 152663008

2 files changed, 15 insertions, 14 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/exec/SpawnInputExpander.java b/src/main/java/com/google/devtools/build/lib/exec/SpawnInputExpander.java
index 351f8c7e10..ef538a0c2d 100644
--- a/src/main/java/com/google/devtools/build/lib/exec/SpawnInputExpander.java
+++ b/src/main/java/com/google/devtools/build/lib/exec/SpawnInputExpander.java
@@ -113,7 +113,8 @@ public class SpawnInputExpander {
       Map<PathFragment, ActionInput> inputMappings, Artifact manifest, String workspaceName)
           throws IOException {
     Path file = manifest.getRoot().getPath().getRelative(
-        AnalysisUtils.getManifestPathFromFilesetPath(manifest.getExecPath()).getPathString());
+        AnalysisUtils.getManifestPathFromFilesetPath(
+            manifest.getRootRelativePath()).getPathString());
     FileSystemUtils.asByteSource(file).asCharSource(UTF_8)
         .readLines(new ManifestLineProcessor(inputMappings, workspaceName, manifest.getExecPath()));
   }
diff --git a/src/test/java/com/google/devtools/build/lib/exec/SpawnInputExpanderTest.java b/src/test/java/com/google/devtools/build/lib/exec/SpawnInputExpanderTest.java
index 5b6db72c27..355e914bcc 100644
--- a/src/test/java/com/google/devtools/build/lib/exec/SpawnInputExpanderTest.java
+++ b/src/test/java/com/google/devtools/build/lib/exec/SpawnInputExpanderTest.java
@@ -191,52 +191,52 @@ public class SpawnInputExpanderTest {
   public void testManifestWithSingleFile() throws Exception {
     // See AnalysisUtils for the mapping from "foo" to "_foo/MANIFEST".
     scratchFile(
-        "/root/_foo/MANIFEST",
+        "/root/out/_foo/MANIFEST",
         "workspace/bar /dir/file",
         "<some digest>");
 
-    Artifact artifact =
-        new Artifact(fs.getPath("/root/foo"), Root.asSourceRoot(fs.getPath("/root")));
+    Root outputRoot = Root.asDerivedRoot(fs.getPath("/root"), fs.getPath("/root/out"), true);
+    Artifact artifact = new Artifact(fs.getPath("/root/out/foo"), outputRoot);
     expander.parseFilesetManifest(inputMappings, artifact, "workspace");
     assertThat(inputMappings).hasSize(1);
     assertThat(inputMappings)
-        .containsEntry(PathFragment.create("foo/bar"), ActionInputHelper.fromPath("/dir/file"));
+        .containsEntry(PathFragment.create("out/foo/bar"), ActionInputHelper.fromPath("/dir/file"));
   }
 
   @Test
   public void testManifestWithTwoFiles() throws Exception {
     // See AnalysisUtils for the mapping from "foo" to "_foo/MANIFEST".
     scratchFile(
-        "/root/_foo/MANIFEST",
+        "/root/out/_foo/MANIFEST",
         "workspace/bar /dir/file",
         "<some digest>",
         "workspace/baz /dir/file",
         "<some digest>");
 
-    Artifact artifact =
-        new Artifact(fs.getPath("/root/foo"), Root.asSourceRoot(fs.getPath("/root")));
+    Root outputRoot = Root.asDerivedRoot(fs.getPath("/root"), fs.getPath("/root/out"), true);
+    Artifact artifact = new Artifact(fs.getPath("/root/out/foo"), outputRoot);
     expander.parseFilesetManifest(inputMappings, artifact, "workspace");
     assertThat(inputMappings).hasSize(2);
     assertThat(inputMappings)
-        .containsEntry(PathFragment.create("foo/bar"), ActionInputHelper.fromPath("/dir/file"));
+        .containsEntry(PathFragment.create("out/foo/bar"), ActionInputHelper.fromPath("/dir/file"));
     assertThat(inputMappings)
-        .containsEntry(PathFragment.create("foo/baz"), ActionInputHelper.fromPath("/dir/file"));
+        .containsEntry(PathFragment.create("out/foo/baz"), ActionInputHelper.fromPath("/dir/file"));
   }
 
   @Test
   public void testManifestWithDirectory() throws Exception {
     // See AnalysisUtils for the mapping from "foo" to "_foo/MANIFEST".
     scratchFile(
-        "/root/_foo/MANIFEST",
+        "/root/out/_foo/MANIFEST",
         "workspace/bar /some",
         "<some digest>");
 
-    Artifact artifact =
-        new Artifact(fs.getPath("/root/foo"), Root.asSourceRoot(fs.getPath("/root")));
+    Root outputRoot = Root.asDerivedRoot(fs.getPath("/root"), fs.getPath("/root/out"), true);
+    Artifact artifact = new Artifact(fs.getPath("/root/out/foo"), outputRoot);
     expander.parseFilesetManifest(inputMappings, artifact, "workspace");
     assertThat(inputMappings).hasSize(1);
     assertThat(inputMappings)
         .containsEntry(
-            PathFragment.create("foo/bar"), ActionInputHelper.fromPath("/some"));
+            PathFragment.create("out/foo/bar"), ActionInputHelper.fromPath("/some"));
   }
 }