VirtusLab · lwronski · Jan 27, 2023 · Jan 27, 2023
diff --git a/modules/build/src/test/scala/scala/build/tests/ActionableDiagnosticTests.scala b/modules/build/src/test/scala/scala/build/tests/ActionableDiagnosticTests.scala
@@ -153,4 +153,63 @@ class ActionableDiagnosticTests extends munit.FunSuite {
         expect(testLibDiagnostic.newVersion == "1.0.7")
     }
   }
+
+  test("actionable actions should not suggest update to previous version") {
+    val testInputs = TestInputs(
+      os.rel / "Foo.scala" ->
+        s"""//> using lib "test-org::test-name-1:2.0.0-M1"
+           |
+           |object Hello extends App {
+           |  println("Hello")
+           |}
+           |""".stripMargin
+    )
+    // create fake repository which contains hardcoded versions [1.0.0] of test-name-1 library
+    val repoTmpDir = os.temp.dir(prefix = "scala-cli-tests-actionable-diagnostic-repo")
+    os.write(
+      repoTmpDir / "test-org" / "test-name-1_3" / "maven-metadata.xml",
+      """<?xml version="1.0" encoding="UTF-8"?>
+        |<metadata>
+        |  <groupId>test-org</groupId>
+        |  <artifactId>test-name-1_3</artifactId>
+        |  <versioning>
+        |    <latest>2.0.0-M</latest>
+        |    <release>2.0.0-M1</release>
+        |    <versions>
+        |      <version>1.0.0</version>
+            |      <version>2.0.0-M1</version>
+        |    </versions>
+        |  </versioning>
+        |</metadata>
+        |""".stripMargin,
+      createFolders = true
+    )
+    os.write(
+      repoTmpDir / "test-org" / "test-name-1_3" / "2.0.0-M1" / "test-name-1_3-2.0.0-M1.pom",
+      """<?xml version='1.0' encoding='UTF-8'?>
+        |<project>
+        |    <groupId>test-org</groupId>
+        |    <artifactId>test-name-1_3</artifactId>
+        |    <version>2.0.0-M1</version>
+        |</project>""".stripMargin,
+      createFolders = true
+    )
+    val withRepoBuildOptions = baseOptions.copy(
+      classPathOptions =
+        baseOptions.classPathOptions.copy(extraRepositories = Seq(s"file:${repoTmpDir.toString}"))
+    )
+    testInputs.withBuild(withRepoBuildOptions, buildThreads, None, actionableDiagnostics = true) {
+      (_, _, maybeBuild) =>
+        val build = maybeBuild.orThrow
+
+        val updateDiagnostics =
+          ActionablePreprocessor.generateActionableDiagnostics(build.options).orThrow
+
+        val testLibDiagnosticOpt = updateDiagnostics.collectFirst {
+          case diagnostic: ActionableDependencyUpdateDiagnostic => diagnostic
+        }
+        println(testLibDiagnosticOpt)
+        expect(testLibDiagnosticOpt.isEmpty)
+    }
+  }
 }
diff --git a/modules/options/src/main/scala/scala/build/actionable/ActionableDependencyHandler.scala b/modules/options/src/main/scala/scala/build/actionable/ActionableDependencyHandler.scala
@@ -1,6 +1,7 @@
 package scala.build.actionable
 
 import coursier.Versions
+import coursier.core.Version
 import coursier.parse.RepositoryParser
 import dependency._
 
@@ -29,7 +30,7 @@ case object ActionableDependencyHandler
     val currentVersion = dependency.version
     val latestVersion  = value(findLatestVersion(buildOptions, dependency))
 
-    if (latestVersion != currentVersion)
+    if (Version(latestVersion) > Version(currentVersion))
       if (dependency.userParams.contains("toolkit"))
         Some(ActionableDependencyUpdateDiagnostic(
           setting.positions,