Also for default attributes correctly convert strings to labels

...by taking the applicable repository mapping into account, instead
of simply assuming it is empty.

Related to #7130, #3115.

Change-Id: I7f3274b7e238ec0a9ad00643b738fbb12b84a872
PiperOrigin-RevId: 271133642

src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkAttr.java

@@ -25,6 +25,7 @@
 import com.google.devtools.build.lib.analysis.config.TransitionFactories;
 import com.google.devtools.build.lib.analysis.config.transitions.SplitTransition;
 import com.google.devtools.build.lib.analysis.config.transitions.TransitionFactory;
+import com.google.devtools.build.lib.cmdline.Label;
 import com.google.devtools.build.lib.events.Location;
 import com.google.devtools.build.lib.packages.Attribute;
 import com.google.devtools.build.lib.packages.Attribute.AllowedValueSet;
@@ -145,7 +146,12 @@ private static Attribute.Builder<?> createAttribute(
       } else if (defaultValue instanceof SkylarkLateBoundDefault) {
         builder.value((SkylarkLateBoundDefault) defaultValue);
       } else {
-        builder.defaultValue(defaultValue, env.getGlobals().getLabel(), DEFAULT_ARG);
+        builder.defaultValue(
+            defaultValue,
+            new BuildType.LabelConversionContext(
+                (Label) env.getGlobals().getLabel(),
+                BazelStarlarkContext.from(env).getRepoMapping()),
+            DEFAULT_ARG);
       }
     }
 

src/test/shell/bazel/workspace_test.sh

@@ -1163,4 +1163,65 @@ EOF
 
 }
 
+function test_renaming_visibility_via_default() {
+    mkdir local_a
+    touch local_a/WORKSPACE
+    cat > local_a/BUILD <<'EOF'
+genrule(
+  name = "x",
+  outs = ["x.txt"],
+  cmd = "echo Hello World > $@",
+  visibility = ["@foo//data:__pkg__"],
+)
+EOF
+    mkdir mainrepo
+    cd mainrepo
+   cat > WORKSPACE <<'EOF'
+workspace(name="foo")
+local_repository(
+  name = "source",
+  path = "../local_a",
+)
+EOF
+    mkdir data
+    cat > data/BUILD <<'EOF'
+genrule(
+  name = "y",
+  srcs = ["@source//:x"],
+  cmd = "cp $< $@",
+  outs = ["y.txt"],
+  visibility = ["@foo//:__pkg__"],
+)
+EOF
+    cat > datarule.bzl <<'EOF'
+def _data_impl(ctx):
+  output = ctx.actions.declare_file(ctx.label.name + ".txt")
+  ctx.actions.run_shell(
+    inputs = ctx.files._data,
+    outputs = [output],
+    command = "cp $1 $2",
+    arguments = [ctx.files._data[0].path, output.path],
+  )
+
+data = rule(
+         implementation = _data_impl,
+         attrs = {
+          "_data": attr.label(default="@foo//data:y"),
+         },
+         outputs = { "txt" : "%{name}.txt"},
+)
+EOF
+    cat >BUILD <<'EOF'
+load("//:datarule.bzl", "data")
+data(name="it")
+EOF
+    echo; echo not remapping main repo; echo
+    bazel build --incompatible_remap_main_repo=false @foo//:it \
+          || fail "Expected success"
+
+    echo; echo remapping main repo; echo
+    bazel build --incompatible_remap_main_repo=true @foo//:it \
+        || fail "Expected success"
+
+}
 run_suite "workspace tests"