Be explicit about alowing empty globs (second part)

There are several globs that are empty and this prevents building with the incompatible flag bazelbuild#8195.
This commit just makes it explicit that empty is allowed.

Closes bazelbuild#15339.

PiperOrigin-RevId: 469973537
Change-Id: Ie7edea8767153e8ce76ca9193401b9f96147445d

site/en/BUILD → site/en/BUILD.bazel

@@ -8,17 +8,17 @@ exports_files(
         "versions/_toc.yaml",
     ],
     visibility = [
-        "//scripts/docs:__pkg__",
-        "//src/test/java/com/google/devtools/build/lib/packages:__pkg__",
+        "//third_party/bazel/scripts/docs:__pkg__",
+        "//third_party/bazel/src/test/java/com/google/devtools/build/lib/packages:__pkg__",
     ],
 )
 
 filegroup(
     name = "srcs",
     srcs = glob(["**"]),
     visibility = [
-        "//scripts/docs:__pkg__",
-        "//site:__pkg__",
+        "//third_party/bazel/scripts/docs:__pkg__",
+        "//third_party/bazel/site:__pkg__",
     ],
 )
 
@@ -29,5 +29,5 @@ pkg_tar(
         exclude = ["**/BUILD"],
     ),
     strip_prefix = "/site/en",
-    visibility = ["//scripts/docs:__pkg__"],
+    visibility = ["//third_party/bazel/scripts/docs:__pkg__"],
 )

src/test/java/com/google/devtools/build/lib/skyframe/packages/BazelPackageLoaderTest.java

@@ -173,7 +173,7 @@ public void newLocalRepository() throws Exception {
 
   @Test
   public void buildDotBazelForSubpackageCheckDuringGlobbing() throws Exception {
-    file("a/BUILD", "filegroup(name = 'fg', srcs = glob(['sub/a.txt']))");
+    file("a/BUILD", "filegroup(name = 'fg', srcs = glob(['sub/a.txt'], allow_empty = True))");
     file("a/sub/a.txt");
     file("a/sub/BUILD.bazel");