Add repository override option

RELNOTES: Adds a --override_repository option that takes a repository
name and path. This forces Bazel to use the directory at that path
for the repository. Example usage:
`--override_repository=foo=/home/user/gitroot/foo`.

Fixes #1266

PiperOrigin-RevId: 153599291

1 files changed, 5 insertions, 0 deletions

diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/PrecomputedValue.java b/src/main/java/com/google/devtools/build/lib/skyframe/PrecomputedValue.java
index f0d06e0be8..2619af2b39 100644
--- a/src/main/java/com/google/devtools/build/lib/skyframe/PrecomputedValue.java
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/PrecomputedValue.java
@@ -60,6 +60,11 @@ public final class PrecomputedValue implements SkyValue {
     void inject(Injectable injectable) {
       injectable.inject(precomputed.key, new PrecomputedValue(supplier.get()));
     }
+
+    @Override
+    public String toString() {
+      return precomputed + ": " + supplier.get();
+    }
   }
 
   public static <T> Injected injected(Precomputed<T> precomputed, Supplier<T> value) {