Merge pull request #159 from http4s/feature/scalafix

Add scalafix integration

.github/workflows/ci.yml

@@ -108,6 +108,10 @@ jobs:
       - name: Test
         run: sbt '++${{ matrix.scala }}' test
 
+      - name: Check scalafix lints
+        if: matrix.java == 'temurin@8'
+        run: sbt '++${{ matrix.scala }}' 'scalafixAll --check'
+
       - name: Check binary compatibility
         if: matrix.java == 'temurin@8'
         run: sbt '++${{ matrix.scala }}' mimaReportBinaryIssues

.scalafix.conf

@@ -0,0 +1,3 @@
+rules = [
+  OrganizeImports
+]

build.sbt

@@ -20,7 +20,7 @@ lazy val docs = project
     tlSiteRelatedProjects += "sbt-typelevel" -> url("https://typelevel.org/sbt-typelevel/")
   )
 
-ThisBuild / tlBaseVersion := "0.13"
+ThisBuild / tlBaseVersion := "0.14"
 ThisBuild / crossScalaVersions := Seq("2.12.15")
 ThisBuild / developers := List(
   Developer(

core/build.sbt

@@ -1,4 +1,5 @@
 val sbtTypelevelVersion = "0.4.10"
 addSbtPlugin("org.typelevel" % "sbt-typelevel" % sbtTypelevelVersion)
 addSbtPlugin("org.typelevel" % "sbt-typelevel-site" % sbtTypelevelVersion)
+addSbtPlugin("org.typelevel" % "sbt-typelevel-scalafix" % sbtTypelevelVersion)
 addSbtPlugin("com.github.cb372" % "sbt-explicit-dependencies" % "0.2.16")

core/src/main/scala/org/http4s/sbt/Http4sOrgPlugin.scala

@@ -16,23 +16,28 @@
 
 package org.http4s.sbt
 
-import sbt._
+import explicitdeps.ExplicitDepsPlugin
+import org.typelevel.sbt._
+import org.typelevel.sbt.gha._
 import sbt.Keys._
+import sbt._
+import scalafix.sbt.ScalafixPlugin.autoImport._
 
-import explicitdeps.ExplicitDepsPlugin, ExplicitDepsPlugin.autoImport._
-import org.typelevel.sbt.gha._, GenerativeKeys._
-import org.typelevel.sbt._
-import TypelevelKernelPlugin._, autoImport._
+import ExplicitDepsPlugin.autoImport._
+import GenerativeKeys._
+import TypelevelKernelPlugin._
+import autoImport._
 import TypelevelSonatypePlugin.autoImport._
 
 object Http4sOrgPlugin extends AutoPlugin {
   object autoImport
 
   override def trigger = allRequirements
 
-  override def requires = TypelevelPlugin && ExplicitDepsPlugin
+  override def requires = TypelevelPlugin && TypelevelScalafixPlugin && ExplicitDepsPlugin
 
-  override def buildSettings = publishSettings ++ organizationSettings ++ githubActionsSettings
+  override def buildSettings =
+    publishSettings ++ organizationSettings ++ githubActionsSettings ++ scalafixSettings
 
   override def projectSettings = explicitDepsSettings
 
@@ -71,6 +76,14 @@ object Http4sOrgPlugin extends AutoPlugin {
       skipIfIrrelevant(unusedCompileDependenciesTest)
     )
 
+  lazy val scalafixSettings: Seq[Setting[_]] =
+    Seq(
+      scalafixDependencies ++= Seq(
+        "org.http4s" %% "http4s-scalafix-internal" % "0.23.12",
+        "com.github.liancheng" %% "organize-imports" % "0.6.0"
+      )
+    )
+
   private val primaryJavaCond = Def.setting {
     val java = githubWorkflowJavaVersions.value.head
     s"matrix.java == '${java.render}'"