Use dataclass-scalafix for code gen

This uses https://github.com/hamnis/dataclass-scalafix.

build.sbt

@@ -1,6 +1,8 @@
 
 import Settings._
 
+def dataclassScalafixV = "0.1.0-M3"
+
 inThisBuild(List(
   organization := "io.get-coursier",
   homepage := Some(url("https://github.com/coursier/sbt-coursier")),
@@ -12,10 +14,29 @@ inThisBuild(List(
       "",
       url("https://github.com/alexarchambault")
     )
-  )
+  ),
+  semanticdbEnabled := true,
+  semanticdbVersion := "4.5.9",
+  scalafixDependencies += "net.hamnaberg" %% "dataclass-scalafix" % dataclassScalafixV
 ))
 
 val coursierVersion0 = "2.1.0-M6-49-gff26f8e39"
+
+def dataclassGen(data: Reference) = Def.taskDyn {
+  val root = (ThisBuild / baseDirectory).value.toURI.toString
+  val from = (data / Compile / sourceDirectory).value
+  val to = (Compile / sourceManaged).value
+  val outFrom = from.toURI.toString.stripSuffix("/").stripPrefix(root)
+  val outTo = to.toURI.toString.stripSuffix("/").stripPrefix(root)
+  (data / Compile / compile).value
+  Def.task {
+    (data / Compile / scalafix)
+      .toTask(s" --rules GenerateDataClass --out-from=$outFrom --out-to=$outTo")
+      .value
+    (to ** "*.scala").get
+  }
+}
+
 def lmIvy = Def.setting {
   "org.scala-sbt" %% "librarymanagement-ivy" % {
     scalaBinaryVersion.value match {
@@ -36,7 +57,7 @@ lazy val definitions = project
     crossScalaVersions := Seq(scala212, scala213),
     libraryDependencies ++= Seq(
       "io.get-coursier" %% "coursier" % coursierVersion0,
-      "io.github.alexarchambault" %% "data-class" % "0.2.5" % Provided,
+      "net.hamnaberg" %% "dataclass-annotation" % dataclassScalafixV % Provided,
       lmIvy.value,
     ),
     dontPublish,
@@ -44,7 +65,6 @@ lazy val definitions = project
 
 lazy val `lm-coursier` = project
   .in(file("modules/lm-coursier"))
-  .dependsOn(definitions)
   .settings(
     shared,
     crossScalaVersions := Seq(scala212, scala213),
@@ -52,6 +72,7 @@ lazy val `lm-coursier` = project
     Mima.lmCoursierFilters,
     libraryDependencies ++= Seq(
       "io.get-coursier" %% "coursier" % coursierVersion0,
+      "net.hamnaberg" %% "dataclass-annotation" % dataclassScalafixV % Provided,
       // We depend on librarymanagement-ivy rather than just
       // librarymanagement-core to handle the ModuleDescriptor passed
       // to DependencyResolutionInterface.update, which is an
@@ -75,14 +96,13 @@ lazy val `lm-coursier` = project
 lazy val `lm-coursier-shaded` = project
   .in(file("modules/lm-coursier/target/shaded-module"))
   .enablePlugins(ShadingPlugin)
-  .dependsOn(definitions)
   .settings(
     shared,
     crossScalaVersions := Seq(scala212, scala213),
     Mima.settings,
     Mima.lmCoursierFilters,
     Mima.lmCoursierShadedFilters,
-    unmanagedSourceDirectories.in(Compile) := unmanagedSourceDirectories.in(Compile).in(`lm-coursier`).value,
+    Compile / sources := (`lm-coursier` / Compile / sources).value,
     shadedModules += "io.get-coursier" %% "coursier",
     validNamespaces += "lmcoursier",
     validEntries ++= Set(
@@ -116,6 +136,7 @@ lazy val `lm-coursier-shaded` = project
     },
     libraryDependencies ++= Seq(
       "io.get-coursier" %% "coursier" % coursierVersion0,
+      "net.hamnaberg" %% "dataclass-annotation" % dataclassScalafixV % Provided,
       "org.scala-lang.modules" %% "scala-collection-compat" % "2.8.1",
       "org.scala-lang.modules" %% "scala-xml" % "1.3.0", // depending on that one so that it doesn't get shaded
       lmIvy.value,
@@ -215,6 +236,7 @@ lazy val `sbt-coursier-root` = project
   .in(file("."))
   .disablePlugins(MimaPlugin)
   .aggregate(
+    definitions,
     `lm-coursier`,
     `lm-coursier-shaded`,
     `sbt-coursier`,

modules/definitions/src/main/scala/lmcoursier/CoursierConfiguration.scala

@@ -2,7 +2,7 @@ package lmcoursier
 
 import java.io.File
 
-import dataclass.data
+import dataclass.{ data, since }
 import coursier.cache.CacheDefaults
 import lmcoursier.credentials.Credentials
 import lmcoursier.definitions.{Authentication, CacheLogger, CachePolicy, FromCoursier, Module, ModuleMatchers, Project, Reconciliation, Strict}

modules/definitions/src/main/scala/lmcoursier/credentials/Credentials.scala

@@ -1 +0,0 @@
-../../../../../../lm-coursier/src/main/scala/lmcoursier/credentials/Credentials.scala

modules/definitions/src/main/scala/lmcoursier/credentials/Credentials.scala

@@ -0,0 +1,7 @@
+package lmcoursier.credentials
+
+import java.io.File
+
+abstract class Credentials extends Serializable
+
+object Credentials

modules/definitions/src/main/scala/lmcoursier/credentials/DirectCredentials.scala

@@ -6,17 +6,15 @@ import dataclass._
   host: String = "",
   username: String = "",
   password: String = "",
-  @since
+  @since("1.0")
   realm: Option[String] = None,
-  @since
+  @since("1.1")
   optional: Boolean = true,
-  @since
+  @since("1.2")
   matchHost: Boolean = false,
+  @since("1.3")
   httpsOnly: Boolean = true
 ) extends Credentials {
 
-  override def toString(): String =
-    withPassword("****")
-      .productIterator
-      .mkString("DirectCredentials(", ", ", ")")
+  override def toString(): String = s"DirectCredentials(host=$host, username=$username)"
 }

modules/definitions/src/main/scala/lmcoursier/definitions/Authentication.scala

@@ -7,18 +7,13 @@ import dataclass._
   password: String,
   optional: Boolean = false,
   realmOpt: Option[String] = None,
-  @since
+  @since("1.0")
   headers: Seq[(String,String)] = Nil,
+  @since("1.1")
   httpsOnly: Boolean = true,
+  @since("1.2")
   passOnRedirect: Boolean = false
 ) {
   override def toString(): String =
-    withPassword("****")
-      .withHeaders(
-        headers.map {
-          case (k, v) => (k, "****")
-        }
-      )
-      .productIterator
-      .mkString("Authentication(", ", ", ")")
+    s"Authentication(user=$user)"
 }

modules/lm-coursier/src/main/scala/lmcoursier/credentials/Credentials.scala

@@ -4,4 +4,21 @@ import java.io.File
 
 abstract class Credentials extends Serializable
 
-object Credentials
+object Credentials {
+  def apply(): DirectCredentials = DirectCredentials()
+  def apply(host: String, username: String, password: String): DirectCredentials =
+    DirectCredentials(host, username, password)
+  def apply(host: String, username: String, password: String, realm: Option[String]): DirectCredentials =
+    DirectCredentials(host, username, password, realm)
+  def apply(host: String, username: String, password: String, realm: String): DirectCredentials =
+    DirectCredentials(host, username, password, Option(realm))
+  def apply(host: String, username: String, password: String, realm: Option[String], optional: Boolean): DirectCredentials =
+    DirectCredentials(host, username, password, realm, optional, matchHost = false, httpsOnly = true)
+  def apply(host: String, username: String, password: String, realm: String, optional: Boolean): DirectCredentials =
+    DirectCredentials(host, username, password, Option(realm), optional, matchHost = false, httpsOnly = true)
+
+  def apply(f: File): FileCredentials =
+    FileCredentials(f.getAbsolutePath)
+  def apply(f: File, optional: Boolean): FileCredentials =
+    FileCredentials(f.getAbsolutePath, optional)
+}

modules/lm-coursier/src/main/scala/lmcoursier/syntax/package.scala

@@ -182,23 +182,4 @@ package object syntax {
     def withRealm(realm: String): DirectCredentials =
       value.withRealm(Option(realm))
   }
-
-  implicit class CredentialsModule(value: Credentials.type) {
-    def apply(): DirectCredentials = DirectCredentials()
-    def apply(host: String, username: String, password: String): DirectCredentials =
-      DirectCredentials(host, username, password)
-    def apply(host: String, username: String, password: String, realm: Option[String]): DirectCredentials =
-      DirectCredentials(host, username, password, realm)
-    def apply(host: String, username: String, password: String, realm: String): DirectCredentials =
-      DirectCredentials(host, username, password, Option(realm))
-    def apply(host: String, username: String, password: String, realm: Option[String], optional: Boolean): DirectCredentials =
-      DirectCredentials(host, username, password, realm, optional, matchHost = false, httpsOnly = true)
-    def apply(host: String, username: String, password: String, realm: String, optional: Boolean): DirectCredentials =
-      DirectCredentials(host, username, password, Option(realm), optional, matchHost = false, httpsOnly = true)
-
-    def apply(f: File): FileCredentials =
-      FileCredentials(f.getAbsolutePath)
-    def apply(f: File, optional: Boolean): FileCredentials =
-      FileCredentials(f.getAbsolutePath, optional)
-  }
 }

project/plugins.sbt

@@ -1,5 +1,6 @@
 addSbtPlugin("com.github.sbt" % "sbt-ci-release" % "1.5.10")
 addSbtPlugin("com.typesafe" % "sbt-mima-plugin" % "1.1.0")
 addSbtPlugin("io.get-coursier" % "sbt-shading" % "2.0.1")
+addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.9.34")
 
 libraryDependencies += "org.scala-sbt" %% "scripted-plugin" % sbtVersion.value