starts the effort to simplify artifact release

.travis.yml

@@ -1,5 +1,8 @@
 language: scala
-sudo: false
+branches:
+  except:
+  - release
+sudo: true
 scala:
 - 2.11.12
 - 2.12.6
@@ -13,7 +16,8 @@ cache:
   - "$HOME/.ivy2/cache"
   - "$HOME/.sbt/boot/"
 script:
-- sbt ++$TRAVIS_SCALA_VERSION validate
+  - sbt ++$TRAVIS_SCALA_VERSION validate
+# - "./build/build.sh"
 after_success:
 - bash <(curl -s https://codecov.io/bash)
 env:

build.sbt

@@ -1,8 +1,9 @@
 import microsites.ExtraMdFileConfig
+import sbtrelease.ReleasePlugin
+import ReleaseTransformations._
 
 lazy val buildSettings = Seq(
   organization := "com.github.finagle",
-  version := "0.24.0",
   scalaVersion := "2.12.7",
   crossScalaVersions := Seq("2.11.12", "2.12.7")
 )
@@ -64,6 +65,33 @@ val baseSettings = Seq(
   javaOptions in ThisBuild ++= Seq("-Xss2048K")
 )
 
+def updateVersionInFile(selectVersion: sbtrelease.Versions => String): ReleaseStep =
+  ReleaseStep(action = st => {
+    val newVersion = selectVersion(st.get(ReleaseKeys.versions).get)
+    import scala.io.Source
+    import java.io.PrintWriter
+
+    // files containing version to update upon release
+    val filesToUpdate = Seq(
+      "docs/src/main/tut/index.md"
+    )
+    val pattern = """"com.github.finagle" %% "finch-.*" % "(.*)"""".r
+
+    filesToUpdate.foreach { fileName =>
+      val content = Source.fromFile(fileName).getLines.mkString("\n")
+      val newContent =
+        pattern.replaceAllIn(content,
+          m => m.matched.replaceAllLiterally(m.subgroups.head, newVersion))
+      new PrintWriter(fileName) {
+        write(newContent); close()
+      }
+      val vcs = Project.extract(st).get(releaseVcs).get
+      vcs.add(fileName).!
+    }
+
+    st
+  })
+
 lazy val publishSettings = Seq(
   publishMavenStyle := true,
   publishArtifact := true,
@@ -75,6 +103,10 @@ lazy val publishSettings = Seq(
       Some("releases"  at nexus + "service/local/staging/deploy/maven2")
   },
   publishArtifact in Test := false,
+  pgpSecretRing := file("local.secring.gpg"),
+  pgpPublicRing := file("local.pubring.gpg"),
+  releasePublishArtifactsAction := PgpKeys.publishSigned.value,
+  releaseIgnoreUntrackedFiles := true,
   licenses := Seq("Apache 2.0" -> url("http://www.apache.org/licenses/LICENSE-2.0")),
   homepage := Some(url("https://github.com/finagle/finch")),
   autoAPIMappings := true,
@@ -85,6 +117,23 @@ lazy val publishSettings = Seq(
       "scm:git:[email protected]:finagle/finch.git"
     )
   ),
+  releaseProcess := {
+    Seq[ReleaseStep](
+      checkSnapshotDependencies,
+      inquireVersions,
+      releaseStepCommandAndRemaining("+clean"),
+      releaseStepCommandAndRemaining("+test"),
+      setReleaseVersion,
+      updateVersionInFile(_._1),
+      commitReleaseVersion,
+      tagRelease,
+      releaseStepCommandAndRemaining("+publishSigned"),
+      setNextVersion,
+      commitNextVersion,
+      releaseStepCommand("sonatypeReleaseAll"),
+      pushChanges
+    )
+  },
   pomExtra :=
     <developers>
       <developer>

build/build.sh

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+set -e
+
+SBT_CMD="sbt ++${TRAVIS_SCALA_VERSION} validate"
+
+if [[ "${TRAVIS_PULL_REQUEST}" == "false" ]]; then
+    SBT_CMD+=" +coverageOff +publish"
+    openssl aes-256-cbc -pass env:ENCRYPTION_PASSWORD -in ./build/secring.gpg.enc -out local.secring.gpg -d
+    openssl aes-256-cbc -pass env:ENCRYPTION_PASSWORD -in ./build/pubring.gpg.enc -out local.pubring.gpg -d
+    openssl aes-256-cbc -pass env:ENCRYPTION_PASSWORD -in ./build/credentials.sbt.enc -out local.credentials.sbt -d
+    openssl aes-256-cbc -pass env:ENCRYPTION_PASSWORD -in ./build/deploy_key.pem.enc -out local.deploy_key.pem -d
+
+    if [[ "${TRAVIS_BRANCH}" == "master" && $(cat version.sbt) != *"SNAPSHOT"* ]]; then
+        eval "$(ssh-agent -s)"
+        chmod 600 local.deploy_key.pem
+        ssh-add local.deploy_key.pem
+        git config --global user.name "Finch CI"
+        git config --global user.email "[email protected]"
+        git remote set-url origin [email protected]:finagle/finch.git
+        git checkout master || git checkout -b master
+        git reset --hard origin/master
+
+        echo 'Performing a release'
+        sbt 'release cross with-defaults'
+    elif [[ "${TRAVIS_BRANCH}" == "master" ]]; then
+        echo 'Master build'
+        ${SBT_CMD}
+    else
+        echo 'Branch build'
+        printf 'version in ThisBuild := "%s-SNAPSHOT"' "${TRAVIS_BRANCH}" > version.sbt
+        ${SBT_CMD}
+    fi
+else
+    echo 'PR build'
+    ${SBT_CMD}
+fi

version.sbt

@@ -0,0 +1 @@
+version in ThisBuild := "0.25.0-SNAPSHOT"