Allow package blacklisting to be done via a file checked into the depot. By default this is disabled.

--
MOS_MIGRATED_REVID=107644420

1 files changed, 56 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/BlacklistedPackagePrefixesValue.java b/src/main/java/com/google/devtools/build/lib/skyframe/BlacklistedPackagePrefixesValue.java
new file mode 100644
index 0000000000..036f0552c0
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/BlacklistedPackagePrefixesValue.java
@@ -0,0 +1,56 @@
+// Copyright 2014 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package com.google.devtools.build.lib.skyframe;
+
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableSet;
+import com.google.devtools.build.lib.vfs.PathFragment;
+import com.google.devtools.build.skyframe.SkyKey;
+import com.google.devtools.build.skyframe.SkyValue;
+
+/**
+ * An immutable set of package name prefixes that should be blacklisted.
+ */
+public class BlacklistedPackagePrefixesValue implements SkyValue {
+  private final ImmutableSet<PathFragment> patterns;
+
+  private static final SkyKey BLACKLIST_KEY =
+      new SkyKey(SkyFunctions.BLACKLISTED_PACKAGE_PREFIXES, "");
+
+  public BlacklistedPackagePrefixesValue(ImmutableSet<PathFragment> exclusions) {
+    this.patterns = Preconditions.checkNotNull(exclusions);
+  }
+
+  public static SkyKey key() {
+    return BLACKLIST_KEY;
+  }
+
+  public ImmutableSet<PathFragment> getPatterns() {
+    return patterns;
+  }
+
+  @Override
+  public int hashCode() {
+    return patterns.hashCode();
+  }
+
+  @Override
+  public boolean equals(Object obj) {
+    if (obj instanceof BlacklistedPackagePrefixesValue) {
+      BlacklistedPackagePrefixesValue other = (BlacklistedPackagePrefixesValue) obj;
+      return this.patterns.equals(other.patterns);
+    }
+    return false;
+  }
+}