add Scala 3 support (#4)

* add Scala 3 support
* add release workflow
* update plugins.sbt
* bump Scala versions
* bump version.sbt
* bump SBT

---------

Co-authored-by: msmiech <msmiech@evolution.com>
Co-authored-by: Mareks Rampāns <8796159+mr-git@users.noreply.github.com>

.github/workflows/ci.yml

@@ -10,8 +10,9 @@ jobs:
     strategy:
       matrix:
         scala:
-          - 2.13.7
-          - 2.12.15
+          - 2.13.14
+          - 2.12.19
+          - 3.3.3
 
     steps:
       - uses: actions/checkout@v2

.github/workflows/release.yml

@@ -0,0 +1,11 @@
+name: Publish Release
+
+on:
+  release:
+    types: [published]
+    branches: [master]
+
+jobs:
+  release:
+    uses: evolution-gaming/scala-github-actions/.github/workflows/release.yml@v1
+    secrets: inherit

build.sbt

@@ -10,16 +10,18 @@ organizationName := "Evolution"
 
 organizationHomepage := Some(url("http://evolution.com"))
 
-crossScalaVersions := Seq("2.13.7", "2.12.15")
+crossScalaVersions := Seq("2.13.14", "2.12.19", "3.3.3")
 
 scalaVersion := crossScalaVersions.value.head
 
+Compile / scalacOptions ++= Seq("-language:implicitConversions")
+
 Compile / doc / scalacOptions ++= Seq("-groups", "-implicits", "-no-link-warnings")
 
 publishTo := Some(Resolver.evolutionReleases)
 
 libraryDependencies ++= Seq(
-  "com.evolutiongaming" %% "executor-tools"     % "1.0.3",
+  "com.evolutiongaming" %% "executor-tools"     % "1.0.4",
   "io.prometheus"       % "simpleclient_common" % "0.8.1",
   "org.scalameta"       %% "munit"              % "0.7.29" % Test
 )
@@ -30,4 +32,6 @@ licenses := Seq(("MIT", url("https://opensource.org/licenses/MIT")))
 
 releaseCrossBuild := true
 
-ThisBuild / versionScheme := Some("semver-spec")
+ThisBuild / versionScheme := Some("semver-spec")
+
+addCommandAlias("check", "all scalafmtCheckAll scalafmtSbtCheck")

project/build.properties

@@ -1 +1 @@
-sbt.version=1.5.5
+sbt.version=1.10.0

project/plugins.sbt

@@ -1,11 +1,11 @@
 addSbtPlugin("com.evolution" % "sbt-artifactory-plugin" % "0.0.2")
 
-addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.9.2")
+addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.0.12")
 
-addSbtPlugin("org.scoverage" % "sbt-coveralls" % "1.3.1")
+addSbtPlugin("org.scoverage" % "sbt-coveralls" % "1.3.11")
 
-addSbtPlugin("com.github.sbt" % "sbt-release" % "1.1.0")
+addSbtPlugin("com.github.sbt" % "sbt-release" % "1.4.0")
 
 addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.4.3")
 
-addSbtPlugin("com.evolution" % "sbt-scalac-opts-plugin" % "0.0.9")
+addSbtPlugin("com.evolution" % "sbt-scalac-opts-plugin" % "0.0.9")

src/main/scala/com/evolutiongaming/prometheus/PrometheusHelper.scala

@@ -3,11 +3,11 @@ package com.evolutiongaming.prometheus
 import com.evolutiongaming.concurrent.CurrentThreadExecutionContext
 import io.prometheus.client.{Gauge, Histogram, SimpleCollector, Summary}
 
-import scala.concurrent.Future
+import scala.concurrent.{ExecutionContext, Future}
 
 object PrometheusHelper {
-  private implicit val ec    = CurrentThreadExecutionContext
-  private implicit val clock = ClockPlatform.default
+  private implicit val ec: ExecutionContext = CurrentThreadExecutionContext
+  private implicit val clock: ClockPlatform = ClockPlatform.default
 
   implicit val histogramObs: HasObserve[Histogram] = (histogram: Histogram, duration: Double) => histogram.observe(duration)
 

src/test/scala/com/evolutiongaming/prometheus/ObserveDurationSpec.scala

@@ -3,9 +3,11 @@ package com.evolutiongaming.prometheus
 import com.evolutiongaming.concurrent.CurrentThreadExecutionContext
 import io.prometheus.client.Collector
 
+import scala.concurrent.ExecutionContext
+
 class ObserveDurationSpec extends munit.FunSuite with munit.Assertions {
 
-  private implicit val ec    = CurrentThreadExecutionContext
+  private implicit val ec: ExecutionContext = CurrentThreadExecutionContext
 
   def cmp(x: Double, y: Double): Boolean = Math.abs(x - y) <= 0.000000001
 

version.sbt

@@ -1 +1 @@
-ThisBuild / version := "1.0.8-SNAPSHOT"
+ThisBuild / version := "1.0.8"