build: Add essential SBT structure for building and releasing

Author: avast-scala-builder

.scalafmt.conf

@@ -0,0 +1,11 @@
+version = "2.0.1"
+
+maxColumn = 140
+assumeStandardLibraryStripMargin = true
+continuationIndent.defnSite = 2
+align.arrowEnumeratorGenerator = true
+align.openParenCallSite = true
+align.openParenDefnSite = true
+rewrite.rules = [RedundantParens, RedundantBraces, SortImports, SortModifiers, PreferCurlyFors]
+includeNoParensInSelectChains = true
+lineEndings = preserve

.travis.yml

@@ -0,0 +1,39 @@
+sudo: false
+language: scala
+jdk: openjdk8
+scala:
+  - 2.13.1
+
+before_install:
+  - git fetch --tags
+
+stages:
+  - name: test
+  - name: release
+    if: ((branch = master AND type = push) OR (tag IS present)) AND NOT fork
+
+jobs:
+  include:
+    -
+      name: test
+      script: sbt test
+    -
+      name: formatting
+      script: sbt scalafmtCheckAll
+    # run ci-release only if previous stages passed
+    - stage: release
+      script: sbt ci-release
+
+# These directories are cached to S3 at the end of the build
+cache:
+  directories:
+    - $HOME/.coursier
+    - $HOME/.ivy2/cache
+    - $HOME/.sbt/boot/
+    - $HOME/.sbt/launchers
+
+before_cache:
+  # Tricks to avoid unnecessary cache updates
+  - find $HOME/.sbt -name "*.lock" | xargs rm
+  - find $HOME/.ivy2 -name "ivydata-*.properties" | xargs rm
+  - rm -f $HOME/.ivy2/.sbt.ivy.lock

build.sbt

@@ -0,0 +1,25 @@
+ThisBuild / organization := "com.avast.server"
+ThisBuild / homepage := Some(url("https://github.com/avast/scala-server-toolkit"))
+ThisBuild / description := "Functional programming toolkit for building server applications in Scala."
+ThisBuild / licenses := Seq("MIT" -> url("https://raw.githubusercontent.com/avast/scala-server-toolkit/master/LICENSE"))
+ThisBuild / developers := List(Developer("jakubjanecek", "Jakub Janecek", "[email protected]", url("https://www.avast.com")))
+ThisBuild / scmInfo := Some(
+  ScmInfo(url("https://github.com/avast/scala-server-toolkit"), "scm:git:[email protected]:avast/scala-server-toolkit.git")
+)
+
+ThisBuild / scalaVersion := "2.13.1"
+ThisBuild / scalacOptions := ScalacOptions.default
+
+lazy val commonSettings = Seq(
+  libraryDependencies ++= Seq(
+    compilerPlugin("org.typelevel" %% "kind-projector" % "0.10.3")
+  ),
+  Test / publishArtifact := false
+)
+
+lazy val root = (project in file("."))
+  .settings(
+    commonSettings,
+    name := "scala-server-toolkit",
+    publish / skip := true
+  )

project/ScalacOptions.scala

@@ -0,0 +1,21 @@
+object ScalacOptions {
+
+  val default: Seq[String] = Seq(
+    "-encoding",
+    "utf8",
+    "-deprecation",
+    "-unchecked",
+    "-feature",
+    "-explaintypes",
+    "-Xlint",
+    "-Xfatal-warnings",
+    "-Xcheckinit",
+    "-Ywarn-dead-code",
+    "-Ywarn-value-discard",
+    "-Ypartial-unification",
+    "-Ywarn-macros:after",
+    "-Ybackend-parallelism",
+    "4"
+  )
+
+}

project/build.properties

@@ -0,0 +1 @@
+sbt.version=1.3.0

project/plugins.sbt

@@ -0,0 +1,4 @@
+addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.0.4")
+addSbtPlugin("org.scalameta" % "sbt-mdoc" % "1.3.2")
+addSbtPlugin("com.github.cb372" % "sbt-explicit-dependencies" % "0.2.10")
+addSbtPlugin("com.geirsson" % "sbt-ci-release" % "1.2.6")