diff --git a/main/Opts.scala b/main/Opts.scala
index e04ebfb4f..7f4d82682 100644
--- a/main/Opts.scala
+++ b/main/Opts.scala
@@ -20,6 +20,13 @@ object Opts {
 		def title(t: String) = Seq("-doc-title", t)
 		def version(v: String) = Seq("-doc-version", v)
 	}
+	object resolver {
+		import Path._
+		val sonatypeReleases = Resolver.sonatypeRepo("releases")
+		val sonatypeSnapshots = Resolver.sonatypeRepo("snapshots")
+		val sonatypeStaging = new MavenRepository("sonatype-staging", "https://oss.sonatype.org/service/local/staging/deploy/maven2")
+		val mavenLocalFile = Resolver.file("Local Repository", userHome / ".m2" / "repository" asFile)
+	}
 }
 
 object DefaultOptions {
@@ -33,6 +40,15 @@ object DefaultOptions {
 	def javadoc(name: String, version: String): Seq[String] = Seq("-doctitle", "%s %s API".format(name, version))
 	def scaladoc(name: String, version: String): Seq[String] = doc.title(name) ++ doc.version(version)
 
+	def resolvers(snapshot: Boolean): Seq[Resolver] = {
+		if (snapshot) Seq(Classpaths.typesafeSnapshots, resolver.sonatypeSnapshots) else Nil
+	}
+	def pluginResolvers(plugin: Boolean, snapshot: Boolean): Seq[Resolver] = {
+		if (plugin && snapshot) Seq(Classpaths.typesafeSnapshots, Classpaths.sbtPluginSnapshots) else Nil
+	}
+	def addResolvers: Setting[_] = Keys.resolvers <<= Keys.isSnapshot apply resolvers
+	def addPluginResolvers: Setting[_] = Keys.resolvers <<= (Keys.sbtPlugin, Keys.isSnapshot) apply pluginResolvers
+
 	@deprecated("Use `credentials(State)` instead to make use of configuration path dynamically configured via `Keys.globalSettingsDirectory`; relying on ~/.ivy2 is not recommended anymore.", "0.12.0")
 	def credentials: Credentials = Credentials(userHome / ".ivy2" / ".credentials")
 	def credentials(state: State): Credentials = Credentials(getGlobalSettingsDirectory(state, getGlobalBase(state)) / ".credentials")