Ignore the default when local repository_cache is used.

Author: sluongng

src/test/java/com/google/devtools/build/lib/blackbox/bazel/DefaultToolsSetup.java

@@ -78,6 +78,9 @@ public void setup(BlackBoxTestContext context) throws IOException {
     String sharedRepoCache = System.getenv("REPOSITORY_CACHE");
     if (sharedRepoCache != null) {
       lines.add("common --repository_cache=" + sharedRepoCache);
+      // TODO(sluongng): Remove this flag once all dependencies are mirrored.
+      // See https://github.com/bazelbuild/bazel/pull/19549 for more context.
+      lines.add("common --norepository_cache_urls_as_default_canonical_id");
       if (OS.getCurrent() == OS.DARWIN) {
         // For reducing SSD usage on our physical Mac machines.
         lines.add("common --experimental_repository_cache_hardlinks");

src/test/py/bazel/test_base.py

@@ -127,6 +127,9 @@ def setUp(self):
       shared_repo_cache = os.environ.get('REPOSITORY_CACHE')
       if shared_repo_cache:
         f.write('common --repository_cache={}\n'.format(shared_repo_cache))
+        # TODO(sluongng): Remove this flag once all dependencies are mirrored.
+        # See https://github.com/bazelbuild/bazel/pull/19549 for more context.
+        f.write('common --norepository_cache_urls_as_default_canonical_id\n')
         if TestBase.IsDarwin():
           # For reducing SSD usage on our physical Mac machines.
           f.write('common --experimental_repository_cache_hardlinks\n')

src/test/shell/bazel/bazel_bootstrap_distfile_test.sh

@@ -102,10 +102,13 @@ function test_bootstrap() {
 
     JAVABASE=$(echo reduced*)
 
+     # TODO: remove `norepository_cache_urls_as_default_canonical_id` once all dependencies are mirrored.
+     # See https://github.com/bazelbuild/bazel/pull/19549 for more context.
     env EXTRA_BAZEL_ARGS="--tool_java_runtime_version=local_jdk" ./compile.sh \
         || fail "Expected to be able to bootstrap bazel"
     ./output/bazel \
       --server_javabase=$JAVABASE --host_jvm_args=--add-opens=java.base/java.nio=ALL-UNNAMED \
+      --norepository_cache_urls_as_default_canonical_id \
       version --nognu_format &> "${TEST_log}" \
       || fail "Generated bazel not working"
     expect_log "${SOURCE_DATE_EPOCH}"

src/test/shell/testenv.sh.tmpl

@@ -324,6 +324,9 @@ EOF
   if [[ -n ${REPOSITORY_CACHE:-} ]]; then
     echo "testenv.sh: Using repository cache at $REPOSITORY_CACHE."
     echo "common --repository_cache=$REPOSITORY_CACHE" >> $TEST_TMPDIR/bazelrc
+    # TODO(sluongng): Remove this flag once all dependencies are mirrored.
+    # See https://github.com/bazelbuild/bazel/pull/19549 for more context.
+    echo "common --norepository_cache_urls_as_default_canonical_id" >> $TEST_TMPDIR/bazelrc
     if is_darwin; then
       # For reducing SSD usage on our physical Mac machines.
       echo "testenv.sh: Enabling --experimental_repository_cache_hardlinks"