use a relative path to build-runfiles
BinTools.getExecPath() returns an execroot-relative path, which should
be usable in a spawn as-is. Absolutizing it is unnecessary. Using a
relative path also prevents the execroot from getting into the action
key for runfiles building actions.
@@ -140,7 +140,7 @@ public final class SymlinkTreeHelper {
Preconditions.checkNotNull(path, BUILD_RUNFILES + " not found in embedded tools");
List<String> args = Lists.newArrayList();
- args.add(execRoot.getRelative(path).getPathString());
+ args.add(path.getPathString());
if (filesetTree) {
args.add("--allow_relative");
