Introduce option flag experimental_enable_tools_defaults_package.

Default value is true, and behavior related to //tools/defaults package is not
changed. If set it to false, then in-memory Dfaultpacked will not be created.

RELNOTES:none
PiperOrigin-RevId: 205643628

1 files changed, 12 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/pkgcache/PackageCacheOptions.java b/src/main/java/com/google/devtools/build/lib/pkgcache/PackageCacheOptions.java
index 6d45973513..47efa2b715 100644
--- a/src/main/java/com/google/devtools/build/lib/pkgcache/PackageCacheOptions.java
+++ b/src/main/java/com/google/devtools/build/lib/pkgcache/PackageCacheOptions.java
@@ -27,6 +27,7 @@ import com.google.devtools.common.options.Converters;
 import com.google.devtools.common.options.Option;
 import com.google.devtools.common.options.OptionDocumentationCategory;
 import com.google.devtools.common.options.OptionEffectTag;
+import com.google.devtools.common.options.OptionMetadataTag;
 import com.google.devtools.common.options.OptionsBase;
 import com.google.devtools.common.options.OptionsParsingException;
 import java.util.List;
@@ -161,6 +162,17 @@ public class PackageCacheOptions extends OptionsBase {
   )
   public boolean checkOutputFiles;
 
+  @Option(
+      name = "experimental_enable_tools_defaults_package",
+      defaultValue = "true",
+      documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
+      effectTags = {OptionEffectTag.AFFECTS_OUTPUTS},
+      metadataTags = {OptionMetadataTag.EXPERIMENTAL},
+      help =
+          "If true, Blaze constructs an in-memory //tools/defaults package based on the command"
+              + " line options. If false, //tools/defaults is resolved as a regular package.")
+  public boolean experimentalInMemoryToolsDefaultsPackage;
+
   /**
    * A converter from strings containing comma-separated names of packages to lists of strings.
    */