test for modifying build dependencies in settings

sbt/src/sbt-test/project/build-deps/a/A.scala

@@ -0,0 +1,3 @@
+object A {
+  val x = B.x
+}

sbt/src/sbt-test/project/build-deps/b/B.scala

@@ -0,0 +1,3 @@
+object B {
+  val x = 3
+}

sbt/src/sbt-test/project/build-deps/changes/b.sbt

@@ -0,0 +1,3 @@
+buildDependencies in Global <<= (buildDependencies in Global, thisProjectRef, thisProjectRef in a) { (deps, refB, refA) =>
+	deps.addClasspath(refA, ResolvedClasspathDependency(refB, None))
+}

sbt/src/sbt-test/project/build-deps/project/B.scala

@@ -0,0 +1,9 @@
+import sbt._
+import Keys._
+
+object B extends Build
+{
+	lazy val root = Project("root", file("."))
+	lazy val a = Project("a", file("a"))
+	lazy val b = Project("b", file("b"))
+}

sbt/src/sbt-test/project/build-deps/test

@@ -0,0 +1,4 @@
+-> a/compile
+$ copy-file changes/b.sbt b/build.sbt
+> reload
+> a/compile