Keep global exclusions as such in generated ivy.xml

modules/lm-coursier/src/main/scala/lmcoursier/Inputs.scala

@@ -123,12 +123,12 @@ object Inputs {
     sets.values.toVector.distinct.map(_.set.toSet)
   }
 
-  def exclusions(
+  def exclusionsSeq(
     excludeDeps: Seq[InclExclRule],
     sv: String,
     sbv: String,
     log: Logger
-  ): Set[(Organization, ModuleName)] = {
+  ): Seq[(Organization, ModuleName)] = {
 
     var anyNonSupportedExclusionRule = false
 
@@ -144,7 +144,6 @@ object Inputs {
           Seq((Organization(rule.organization), ModuleName(name)))
         }
       }
-      .toSet
 
     if (anyNonSupportedExclusionRule)
       log.warn("Only supported exclusion rule fields: organization, name")
@@ -152,6 +151,14 @@ object Inputs {
     res
   }
 
+  def exclusions(
+    excludeDeps: Seq[InclExclRule],
+    sv: String,
+    sbv: String,
+    log: Logger
+  ): Set[(Organization, ModuleName)] =
+    exclusionsSeq(excludeDeps, sv, sbv, log).toSet
+
   def forceVersions(depOverrides: Seq[ModuleID], sv: String, sbv: String): Seq[(Module, String)] =
     depOverrides.map(FromSbt.moduleVersion(_, sv, sbv))
 

modules/sbt-coursier-shared/src/main/scala/coursier/sbtcoursiershared/IvyXml.scala

@@ -3,11 +3,12 @@ package coursier.sbtcoursiershared
 import java.nio.charset.StandardCharsets.UTF_8
 import java.nio.file.Files
 
+import lmcoursier.Inputs
 import lmcoursier.definitions.{Configuration, Project}
 import org.apache.ivy.core.module.id.ModuleRevisionId
 import sbt.{Def, Setting, Task, TaskKey}
 import sbt.internal.librarymanagement.IvySbt
-import sbt.librarymanagement.PublishConfiguration
+import sbt.librarymanagement.{CrossVersion, PublishConfiguration}
 
 import scala.collection.JavaConverters._
 import scala.xml.{Node, PrefixedAttribute}
@@ -16,6 +17,7 @@ object IvyXml {
 
   private[sbtcoursiershared] def rawContent(
     currentProject: Project,
+    exclusions: Seq[(String, String)],
     shadedConfigOpt: Option[Configuration]
   ): String = {
 
@@ -28,12 +30,13 @@ object IvyXml {
     val printer = new scala.xml.PrettyPrinter(Int.MaxValue, 2)
 
     """<?xml version="1.0" encoding="UTF-8"?>""" + '\n' +
-      printer.format(content(currentProject, shadedConfigOpt))
+      printer.format(content(currentProject, exclusions, shadedConfigOpt))
   }
 
   // These are required for publish to be fine, later on.
   private def writeFiles(
     currentProject: Project,
+    exclusions: Seq[(String, String)],
     shadedConfigOpt: Option[Configuration],
     ivySbt: IvySbt,
     log: sbt.util.Logger
@@ -53,7 +56,7 @@ object IvyXml {
     val cacheIvyFile = ivyCacheManager.getResolvedIvyFileInCache(ivyModule)
     val cacheIvyPropertiesFile = ivyCacheManager.getResolvedIvyPropertiesInCache(ivyModule)
 
-    val content0 = rawContent(currentProject, shadedConfigOpt)
+    val content0 = rawContent(currentProject, exclusions, shadedConfigOpt)
     cacheIvyFile.getParentFile.mkdirs()
     log.info(s"Writing Ivy file $cacheIvyFile")
     Files.write(cacheIvyFile.toPath, content0.getBytes(UTF_8))
@@ -63,7 +66,11 @@ object IvyXml {
     Files.write(cacheIvyPropertiesFile.toPath, Array.emptyByteArray)
   }
 
-  private def content(project0: Project, shadedConfigOpt: Option[Configuration]): Node = {
+  private def content(
+    project0: Project,
+    exclusions: Seq[(String, String)],
+    shadedConfigOpt: Option[Configuration]
+  ): Node = {
 
     val filterOutDependencies =
       shadedConfigOpt.toSet[Configuration].flatMap { shadedConfig =>
@@ -148,11 +155,16 @@ object IvyXml {
         n % moduleAttrs
     }
 
+    val excludeElems = exclusions.toVector.map {
+      case (org, name) =>
+        <exclude org={org} module={name} artifact="*" type="*" ext="*" matcher="exact"/>
+    }
+
     <ivy-module version="2.0" xmlns:e="http://ant.apache.org/ivy/extra">
       {infoElem}
       <configurations>{confElems}</configurations>
       <publications>{publicationElems}</publications>
-      <dependencies>{dependencyElems}</dependencies>
+      <dependencies>{dependencyElems}{excludeElems}</dependencies>
     </ivy-module>
   }
 
@@ -166,12 +178,20 @@ object IvyXml {
         val doGen = coursierGenerateIvyXml.value
         if (doGen)
           Def.task {
+            val sv = sbt.Keys.scalaVersion.value
+            val sbv = sbt.Keys.scalaBinaryVersion.value
+            val log = sbt.Keys.streams.value.log
             val currentProject = {
               val proj = coursierProject.value
               val publications = coursierPublications.value
               proj.withPublications(publications)
             }
-            writeFiles(currentProject, shadedConfigOpt, sbt.Keys.ivySbt.value, sbt.Keys.streams.value.log)
+            val excludeDeps = Inputs.exclusionsSeq(InputsTasks.actualExcludeDependencies.value, sv, sbv, log)
+              .map {
+                case (org, name) =>
+                  (org.value, name.value)
+              }
+            writeFiles(currentProject, excludeDeps, shadedConfigOpt, sbt.Keys.ivySbt.value, log)
           }
         else
           Def.task(())

modules/sbt-coursier-shared/src/test/scala/coursier/sbtcoursiershared/IvyXmlTests.scala

@@ -21,7 +21,7 @@ object IvyXmlTests extends TestSuite {
         Info("", "", Nil, Nil, None)
       )
 
-      val content = IvyXml.rawContent(project, None)
+      val content = IvyXml.rawContent(project, Nil, None)
 
       assert(!content.contains("</conf>"))
     }

modules/sbt-coursier/src/sbt-test/shared-1/exclude-dependencies/test

@@ -3,5 +3,4 @@
 $ exec java -jar coursier launch io.get-coursier.test:sbt-coursier-exclude-dependencies_2.12:0.1.0-SNAPSHOT
 > b/run
 > b/publishLocal
-# doesn't pass yet (missing exclusions of root deps in ivy.xml?)
-# $ exec java -jar coursier launch io.get-coursier.test:sbt-coursier-exclude-dependencies-2_2.12:0.1.0-SNAPSHOT
+$ exec java -jar coursier launch io.get-coursier.test:sbt-coursier-exclude-dependencies-2_2.12:0.1.0-SNAPSHOT