commit fa407e52920a9c187befc94cc13014c19dd6219d
author Laurent Le Brun <laurentlb@google.com> Fri Nov 04 15:53:08 2016 +0000
committer Laszlo Csomor <laszlocsomor@google.com> Fri Nov 04 16:06:07 2016 +0000
tree 4eff994d27e8cd670499cffd0f9765f544d43794
parent 909910c3beddde138c70b90ec0b7c7b431a835a2

EvalException can now show a url for additional information

Add doc for the "read only" error message.

--
MOS_MIGRATED_REVID=138194709

src/main/java/com/google/devtools/build/lib/syntax/ValidationEnvironment.java

diff --git a/src/main/java/com/google/devtools/build/lib/syntax/ValidationEnvironment.java b/src/main/java/com/google/devtools/build/lib/syntax/ValidationEnvironment.java
index c1a94c5..6aa5a7d 100644
--- a/src/main/java/com/google/devtools/build/lib/syntax/ValidationEnvironment.java
+++ b/src/main/java/com/google/devtools/build/lib/syntax/ValidationEnvironment.java
@@ -90,7 +90,10 @@
 
   private void checkReadonly(String varname, Location location) throws EvalException {
     if (readOnlyVariables.contains(varname)) {
-      throw new EvalException(location, String.format("Variable %s is read only", varname));
+      throw new EvalException(
+          location,
+          String.format("Variable %s is read only", varname),
+          "https://bazel.build/versions/master/docs/skylark/errors/read-only-variable.html");
     }
   }