Drop 2.12 support, prepare for 1.1.0 changes

.github/workflows/ci.yml

@@ -1,6 +1,6 @@
 name: CI
 
-on: [push, pull_request]
+on: [ push, pull_request ]
 
 jobs:
   test:
@@ -11,7 +11,6 @@ jobs:
       matrix:
         scala:
           - 2.13.14
-          - 2.12.19
           - 3.3.3
 
     steps:
@@ -25,7 +24,7 @@ jobs:
           java-version: openjdk@1.11
 
       - name: build ${{ matrix.scala }}
-        run: sbt ++${{ matrix.scala }} clean coverage test
+        run: sbt ++${{ matrix.scala }} clean check coverage test
 
       - name: test coverage
         if: success()

.scalafmt.conf

@@ -1,13 +1,16 @@
-version = 2.2.1
+version = "3.8.3"
+
+runner.dialect = scala213source3
 
 align = most
 continuationIndent.callSite = 2
 continuationIndent.defnSite = 2
 danglingParentheses = true
 indentOperator = spray
 maxColumn = 150
-newlines.alwaysBeforeTopLevelStatements = true
+align.preset = "most"
+danglingParentheses.preset = true
 project.excludeFilters = [".*\\.sbt"]
 rewrite.rules = [RedundantParens, SortImports]
 spaces.inImportCurlyBraces = false
-unindentTopLevelOperators = true
+indentOperator.exemptScope = all

build.sbt

@@ -2,28 +2,35 @@ name := "prometheus-tools"
 
 organization := "com.evolutiongaming"
 
-homepage := Some(new URL("http://github.com/evolution-gaming/prometheus-tools"))
+homepage := Some(url("https://github.com/evolution-gaming/prometheus-tools"))
 
 startYear := Some(2018)
 
 organizationName := "Evolution"
 
-organizationHomepage := Some(url("http://evolution.com"))
+organizationHomepage := Some(url("https://evolution.com"))
 
-crossScalaVersions := Seq("2.13.14", "2.12.19", "3.3.3")
+crossScalaVersions := Seq("2.13.14", "3.3.3")
 
 scalaVersion := crossScalaVersions.value.head
 
 Compile / scalacOptions ++= Seq("-language:implicitConversions")
+Compile / scalacOptions ++= {
+  if (scalaBinaryVersion.value == "2.13") {
+    Seq(
+      "-Xsource:3"
+    )
+  } else Seq.empty
+}
 
 Compile / doc / scalacOptions ++= Seq("-groups", "-implicits", "-no-link-warnings")
 
 publishTo := Some(Resolver.evolutionReleases)
 
 libraryDependencies ++= Seq(
-  "com.evolutiongaming" %% "executor-tools"     % "1.0.4",
-  "io.prometheus"       % "simpleclient_common" % "0.8.1",
-  "org.scalameta"       %% "munit"              % "0.7.29" % Test
+  "com.evolutiongaming" %% "executor-tools"      % "1.0.4",
+  "io.prometheus"        % "simpleclient_common" % "0.8.1",
+  "org.scalameta"       %% "munit"               % "1.0.0" % Test
 )
 
 testFrameworks += new TestFramework("munit.Framework")
@@ -34,4 +41,11 @@ releaseCrossBuild := true
 
 ThisBuild / versionScheme := Some("semver-spec")
 
-addCommandAlias("check", "all scalafmtCheckAll scalafmtSbtCheck")
+// Your next release will be binary compatible with the previous one,
+// but it may not be source compatible (ie, it will be a minor release).
+ThisBuild / versionPolicyIntention := Compatibility.BinaryCompatible
+
+//used by evolution-gaming/scala-github-actions
+addCommandAlias("check", "all versionPolicyCheck Compile/doc scalafmtCheckAll scalafmtSbtCheck")
+
+addCommandAlias("fmtAll", "all scalafmtAll scalafmtSbt")

project/plugins.sbt

@@ -1,11 +1,7 @@
-addSbtPlugin("com.evolution" % "sbt-artifactory-plugin" % "0.0.2")
-
-addSbtPlugin("org.scoverage" % "sbt-scoverage" % "2.0.12")
-
-addSbtPlugin("org.scoverage" % "sbt-coveralls" % "1.3.11")
-
-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-artifactory-plugin" % "0.0.2")
+addSbtPlugin("org.scoverage"  % "sbt-scoverage"          % "2.0.12")
+addSbtPlugin("org.scoverage"  % "sbt-coveralls"          % "1.3.11")
+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("ch.epfl.scala"  % "sbt-version-policy"     % "3.2.1")

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

@@ -51,8 +51,8 @@ object ObserveDuration {
         hasObserve.observe(observer, value)
       }
 
-      override def timeTillNowNanos[T](start: T)(
-        implicit numeric: Numeric[T]
+      override def timeTillNowNanos[T](start: T)(implicit
+        numeric: Numeric[T]
       ): Unit = {
         val value = duration(start, clock.nowNano) / Collector.NANOSECONDS_PER_SECOND
         hasObserve.observe(observer, value)

version.sbt

@@ -1 +1 @@
-ThisBuild / version := "1.0.9-SNAPSHOT"
+ThisBuild / version := "1.1.0-SNAPSHOT"