Issue #314; port sbt-updates to mill (#340)

* Implement basic dependency resolution

* Implement basic dependency versions resolution (Maven only)

* refactor dependency updates code

* add resolution of updated dependencies

* remove dependency on locally-built coursier

* dependency updates output formatting

* Add 'allowPreRelease' option

* start adding tests

* Add more tests

* Add documentation

* Cleanup code

* rewrite version parser to use fastparse

1 files changed, 22 insertions, 0 deletions

diff --git a/scalalib/src/mill/scalalib/Dependency.scala b/scalalib/src/mill/scalalib/Dependency.scala
new file mode 100644
index 00000000..858e479b
--- /dev/null
+++ b/scalalib/src/mill/scalalib/Dependency.scala
@@ -0,0 +1,22 @@
+package mill.scalalib
+
+import mill.T
+import mill.define.{Discover, ExternalModule}
+import mill.eval.Evaluator
+import mill.main.EvaluatorScopt
+import mill.scalalib.dependency.DependencyUpdatesImpl
+
+object Dependency extends ExternalModule {
+
+  def updates(ev: Evaluator[Any], allowPreRelease: Boolean = false) =
+    T.command {
+      DependencyUpdatesImpl(implicitly,
+                            ev.rootModule,
+                            ev.rootModule.millDiscover,
+                            allowPreRelease)
+    }
+
+  implicit def millScoptEvaluatorReads[T]: EvaluatorScopt[T] =
+    new mill.main.EvaluatorScopt[T]()
+  lazy val millDiscover: Discover[Dependency.this.type] = Discover[this.type]
+}