Better names / comments

cache/src/main/scala/coursier/Cache.scala

@@ -77,7 +77,7 @@ object Cache {
       // Dummy user-agent instead of the default "Java/...",
       // so that we are not returned incomplete/erroneous metadata
       // (Maven 2 compatibility? - happens for snapshot versioning metadata,
-      // this is SO FUCKING CRAZY)
+      // this is SO FSCKING CRAZY)
       conn.setRequestProperty("User-Agent", "")
       conn
     }

core/shared/src/main/scala/coursier/core/Resolution.scala

@@ -786,7 +786,7 @@ case class Resolution(
         .toSeq
     } yield (dep, err)
 
-  def part(dependencies: Set[Dependency]): Resolution = {
+  def subset(dependencies: Set[Dependency]): Resolution = {
     val (_, _, finalVersions) = nextDependenciesAndConflicts
 
     def updateVersion(dep: Dependency): Dependency =

plugin/src/main/scala/coursier/FromSbt.scala

@@ -80,7 +80,7 @@ object FromSbt {
     scalaBinaryVersion: String
   ): Project = {
 
-    // FIXME Ignored for now
+    // FIXME Ignored for now - easy to support though
     // val sbtDepOverrides = dependencyOverrides.value
     // val sbtExclusions = excludeDependencies.value
 

plugin/src/main/scala/coursier/InterProjectRepository.scala

@@ -23,14 +23,14 @@ case class InterProjectSource(artifacts: Map[(Module, String), Map[String, Seq[A
 case class InterProjectRepository(projects: Seq[(Project, Seq[(String, Seq[Artifact])])]) extends Repository {
 
   private val map = projects
-    .map { case (proj, a) => proj.moduleVersion -> proj }
+    .map { case (proj, _) => proj.moduleVersion -> proj }
     .toMap
 
   val source = InterProjectSource(
-    projects.map { case (proj, a) =>
-      val artifacts = a.toMap
-      val allArtifacts = proj.allConfigurations.map { case (c, ext) =>
-        c -> ext.toSeq.flatMap(artifacts.getOrElse(_, Nil))
+    projects.map { case (proj, artifactsByConfig) =>
+      val artifacts = artifactsByConfig.toMap
+      val allArtifacts = proj.allConfigurations.map { case (config, extends0) =>
+        config -> extends0.toSeq.flatMap(artifacts.getOrElse(_, Nil))
       }
       proj.moduleVersion -> allArtifacts
     }.toMap
@@ -47,7 +47,7 @@ case class InterProjectRepository(projects: Seq[(Project, Seq[(String, Seq[Artif
       case Some(proj) =>
         \/-((source, proj))
       case None =>
-        -\/(s"Project not found: $module:$version")
+        -\/("Not found")
     }
 
     EitherT(F.point(res))

plugin/src/main/scala/coursier/Tasks.scala

@@ -16,13 +16,13 @@ import scalaz.concurrent.{ Task, Strategy }
 object Tasks {
 
   def coursierResolversTask: Def.Initialize[sbt.Task[Seq[Resolver]]] = Def.task {
-    var l = externalResolvers.value
+    var resolvers = externalResolvers.value
     if (sbtPlugin.value)
-      l = Seq(
+      resolvers = Seq(
         sbtResolver.value,
         Classpaths.sbtPluginReleases
-      ) ++ l
-    l
+      ) ++ resolvers
+    resolvers
   }
 
   def coursierProjectTask: Def.Initialize[sbt.Task[(Project, Seq[(String, Seq[Artifact])])]] =
@@ -76,6 +76,7 @@ object Tasks {
 
   def updateTask(withClassifiers: Boolean, sbtClassifiers: Boolean = false) = Def.task {
 
+    // SBT logging should be better than that most of the time...
     def errPrintln(s: String): Unit = scala.Console.err.println(s)
 
     def grouped[K, V](map: Seq[(K, V)]): Map[K, Seq[V]] =
@@ -84,17 +85,6 @@ object Tasks {
           k -> l.map { case (_, v) => v }
       }
 
-    val ivyProperties = Map(
-      "ivy.home" -> s"${sys.props("user.home")}/.ivy2"
-    ) ++ sys.props
-
-    def createLogger() = Some {
-      new TermDisplay(
-        new OutputStreamWriter(System.err),
-        fallbackMode = sys.env.get("COURSIER_NO_TERM").nonEmpty
-      )
-    }
-
     // let's update only one module at once, for a better output
     // Downloads are already parallel, no need to parallelize further anyway
     synchronized {
@@ -154,6 +144,11 @@ object Tasks {
       )
 
       val interProjectRepo = InterProjectRepository(projects)
+
+      val ivyProperties = Map(
+        "ivy.home" -> s"${sys.props("user.home")}/.ivy2"
+      ) ++ sys.props
+
       val repositories = Seq(globalPluginsRepo, interProjectRepo) ++ resolvers.flatMap(FromSbt.repository(_, ivyProperties))
 
       val caches = Seq(
@@ -163,12 +158,16 @@ object Tasks {
 
       val pool = Executors.newFixedThreadPool(parallelDownloads, Strategy.DefaultDaemonThreadFactory)
 
-      val logger = createLogger()
-      logger.foreach(_.init())
+      val logger = new TermDisplay(
+        new OutputStreamWriter(System.err),
+        fallbackMode = sys.env.get("COURSIER_NO_TERM").nonEmpty
+      )
+      logger.init()
+
       val fetch = coursier.Fetch(
         repositories,
-        Cache.fetch(caches, CachePolicy.LocalOnly, checksums = checksums, logger = logger, pool = pool),
-        Cache.fetch(caches, cachePolicy, checksums = checksums, logger = logger, pool = pool)
+        Cache.fetch(caches, CachePolicy.LocalOnly, checksums = checksums, logger = Some(logger), pool = pool),
+        Cache.fetch(caches, cachePolicy, checksums = checksums, logger = Some(logger), pool = pool)
       )
 
       def depsRepr = currentProject.dependencies.map { case (config, dep) =>
@@ -253,7 +252,7 @@ object Tasks {
         }
 
       val artifactFileOrErrorTasks = allArtifacts.toVector.map { a =>
-        Cache.file(a, caches, cachePolicy, checksums = artifactsChecksums, logger = logger, pool = pool).run.map((a, _))
+        Cache.file(a, caches, cachePolicy, checksums = artifactsChecksums, logger = Some(logger), pool = pool).run.map((a, _))
       }
 
       if (verbosity >= 0)

plugin/src/main/scala/coursier/ToSbt.scala

@@ -88,9 +88,9 @@ object ToSbt {
     val configReports = configs.map {
       case (config, extends0) =>
         val configDeps = extends0.flatMap(configDependencies.getOrElse(_, Nil))
-        val partialRes = resolution.part(configDeps)
+        val subRes = resolution.subset(configDeps)
 
-        val reports = ToSbt.moduleReports(partialRes, classifiersOpt, artifactFileOpt)
+        val reports = ToSbt.moduleReports(subRes, classifiersOpt, artifactFileOpt)
 
         new ConfigurationReport(
           config,