commit cd708c3e68256ada53ed2a477a66621aad106e0d
author Klaus Aehlig <aehlig@google.com> Thu Sep 15 13:48:47 2016 +0000
committer Dmitry Lomov <dslomov@google.com> Thu Sep 15 15:42:41 2016 +0000
tree 5f7d0004e58f6fac8a7547a81964018f1dbfcb6c
parent 41b5688b2ecb8d5ec6c6ed19f42599adb5df41c7

Make environment dependency of actions factor through individual values

With actions depending on the (white-listed part) of the environment
as a whole, even though they are only re-executed if the used parts of
the environment change, each action has to be reconsidered on any change
of the environment. For large dependency graphs, this can be a considerable
amount of effort; therefore add intermediate values for the individual
variables and make actions only depend on those actually used.

--
Change-Id: I283d289da3e0782dc4f9ac084a41425166cfede0
Reviewed-on: https://bazel-review.googlesource.com/#/c/5494
MOS_MIGRATED_REVID=133255911

src/main/java/com/google/devtools/build/lib/skyframe/SkyFunctions.java

diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/SkyFunctions.java b/src/main/java/com/google/devtools/build/lib/skyframe/SkyFunctions.java
index 116d3ba..a7b7224 100644
--- a/src/main/java/com/google/devtools/build/lib/skyframe/SkyFunctions.java
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/SkyFunctions.java
@@ -22,6 +22,8 @@
  */
 public final class SkyFunctions {
   public static final SkyFunctionName PRECOMPUTED = SkyFunctionName.create("PRECOMPUTED");
+  public static final SkyFunctionName CLIENT_ENVIRONMENT_VARIABLE =
+      SkyFunctionName.create("CLIENT_ENVIRONMENT_VARIABLE");
   public static final SkyFunctionName FILE_STATE = SkyFunctionName.create("FILE_STATE");
   public static final SkyFunctionName DIRECTORY_LISTING_STATE =
       SkyFunctionName.create("DIRECTORY_LISTING_STATE");