Merge pull request #2091 from Duhemm/hide-stacktrace

Don't show the stack trace on compilation error in build definition

main/src/main/scala/sbt/Main.scala

@@ -478,7 +478,17 @@ object BuiltinCommands {
       val (s1, base) = Project.loadAction(SessionVar.clear(s0), action)
       IO.createDirectory(base)
       val s = if (s1 has Keys.stateCompilerCache) s1 else registerCompilerCache(s1)
-      val (eval, structure) = Load.defaultLoad(s, base, s.log, Project.inPluginProject(s), Project.extraBuilds(s))
+
+      val (eval, structure) =
+        try Load.defaultLoad(s, base, s.log, Project.inPluginProject(s), Project.extraBuilds(s))
+        catch {
+          case ex: compiler.EvalException =>
+            s0.log.debug(ex.getMessage)
+            ex.getStackTrace map (ste => s"\tat $ste") foreach (s0.log.debug(_))
+            ex.setStackTrace(Array.empty)
+            throw ex
+        }
+
       val session = Load.initialSession(structure, eval, s0)
       SessionSettings.checkSession(session, s)
       Project.setProject(session, structure, s)

notes/0.13.10/hide-stacktrace.markdown

@@ -0,0 +1,12 @@
+
+  [@Duhemm]: http://github.com/Duhemm
+  [2071]: https://github.com/sbt/sbt/issues/2071
+  [2091]: https://github.com/sbt/sbt/pull/2091
+
+### Fixes with compatibility implications
+
+### Improvements
+
+- Hide the stack trace on compilation error in build definition [#2071][2071]/[#2091][2091] by [@Duhemm][@Duhemm]
+
+### Bug fixes