Automated rollback of commit 7dec005.

*** Reason for rollback ***

Tickled a hidden bug in Blaze query.

RELNOTES: None
PiperOrigin-RevId: 159718294

site/docs/query.html

@@ -1224,11 +1224,6 @@ <h3 id="output-package">Print the set of packages</h3>
   packages.
 </p>
 
-<p>
-  Packages in external repositories are formatted as
-  <code>@repo//foo/bar</code> while packages in the main repository are
-  formatted as <code>foo/bar</code>.
-</p>
 <p>
   In conjunction with the <code>deps(...)</code> query, this output
   option can be used to find the set of packages that must be checked

src/main/java/com/google/devtools/build/lib/query2/output/OutputFormatter.java

@@ -344,7 +344,7 @@ public OutputFormatterCallback<Target> createPostFactoStreamCallback(
         public void processOutput(Iterable<Target> partialResult) {
 
           for (Target target : partialResult) {
-            packageNames.add(target.getPackage().getPackageIdentifier().toString());
+            packageNames.add(target.getLabel().getPackageName());
           }
         }
 

src/test/shell/bazel/local_repository_test.sh

@@ -427,17 +427,6 @@ EOF
   expect_log "//external:my_repo"
 }
 
-function test_repository_package_query() {
-  mkdir a b b/b
-  echo "local_repository(name='b', path='b')" > WORKSPACE
-  echo "sh_library(name='a', deps=['@b//b'])" > a/BUILD
-  touch b/WORKSPACE
-  echo "sh_library(name='b')" > b/b/BUILD
-  bazel query --output package "deps(//a)" >& $TEST_log || fail "query failed"
-  expect_log "a"
-  expect_log "@b//b"
-}
-
 function test_warning() {
   local bar=$TEST_TMPDIR/bar
   rm -rf "$bar"