use sbt-dynver (#27042)

RELEASING.md

@@ -54,7 +54,7 @@ Make sure you have completed the setup in `project/scripts/release`.
 Nightly snapshot releases are created from master and published to
 https://repo.akka.io/snapshots by https://jenkins.akka.io:8498/job/akka-publish-nightly/
 
-To create snapshot versions manually, use `sbt clean stampVersion publish`.
+To create snapshot versions manually, use `sbt clean publish`.
 The release artifacts are created in `akka-*/target/repository` and can be
 copied over to a maven server. If you have access, the Jenkins job at
 https://jenkins.akka.io:8498/job/akka-publish-wip/ can be used to publish

project/AkkaBuild.scala

@@ -29,8 +29,12 @@ object AkkaBuild {
     organization := "com.typesafe.akka",
     Dependencies.Versions,
     // use the same value as in the build scope
+    // TODO #26675 this can be removed once we use sbt-dynver instead of timestamps
+    // everywhere
     version := (version in ThisBuild).value)
 
+  // TODO #26675 this can be removed once we use sbt-dynver instead of timestamps
+  // everywhere
   lazy val currentDateTime = {
     // storing the first accessed timestamp in system property so that it will be the
     // same when build is reloaded or when using `+`.
@@ -41,6 +45,8 @@ object AkkaBuild {
         .format(ZonedDateTime.now(ZoneOffset.UTC)))
   }
 
+  // TODO #26675 this can be removed once we use sbt-dynver instead of timestamps
+  // everywhere
   def akkaVersion: String = {
     val default = "2.6-SNAPSHOT"
     sys.props.getOrElse("akka.build.version", default) match {
@@ -50,6 +56,8 @@ object AkkaBuild {
     }
   }
 
+  // TODO #26675 this can be removed once we use sbt-dynver instead of timestamps
+  // everywhere
   def akkaVersionFromFile(default: String): String = {
     val versionFile = "akka-actor/target/classes/version.conf"
     if (new File(versionFile).exists()) {
@@ -66,7 +74,6 @@ object AkkaBuild {
     UnidocRoot.akkaSettings,
     Protobuf.settings,
     parallelExecution in GlobalScope := System.getProperty("akka.parallelExecution", parallelExecutionByDefault.toString).toBoolean,
-    version in ThisBuild := akkaVersion,
     // used for linking to API docs (overwrites `project-info.version`)
     ThisBuild / projectInfoVersion := { if (isSnapshot.value) "snapshot" else version.value }
   )

project/plugins.sbt

@@ -24,3 +24,4 @@ addSbtPlugin("com.lightbend" % "sbt-whitesource" % "0.1.18")
 addSbtPlugin("de.heikoseeberger" % "sbt-header" % "5.3.1") // for maintenance of copyright file header
 addSbtPlugin("com.hpe.sbt" % "sbt-pull-request-validator" % "1.0.0")
 addSbtPlugin("net.bzzt" % "sbt-reproducible-builds" % "0.22")
+addSbtPlugin("com.dwijnand" % "sbt-dynver" % "4.0.0")

project/scripts/release

@@ -251,7 +251,7 @@ declare -r current_version=$(get_current_version)
 echolog "Current version is ${current_version}"
 
 if [ "${current_version:0:3}" != "${version:0:3}" ]; then
-  fail "Releasing $version from wrong with version $current_version"
+  fail "Releasing $version from wrong branch with version $current_version"
 fi
 
 # start clean
@@ -267,29 +267,29 @@ fi
 # build the release
 echolog "Building the release..."
 if [ ! $dry_run ]; then
-  RELEASE_OPT="-Dakka.build.version=${version} -Dakka.genjavadoc.enabled=true -Dpublish.maven.central=true"
+  RELEASE_OPT="-Dakka.genjavadoc.enabled=true -Dpublish.maven.central=true"
 else
-  RELEASE_OPT="-Dakka.build.version=${version} -Dakka.genjavadoc.enabled=true"
+  RELEASE_OPT="-Dakka.genjavadoc.enabled=true"
 fi
 
-try sbt $RELEASE_OPT +buildRelease
+# tag this release
+echolog "Tagging..."
+try git tag -am "Version ${version}" v${version}
 
+try sbt $RELEASE_OPT +buildRelease
 try sbt $RELEASE_OPT buildDocs
+
 echolog "Successfully created local release"
 
 # check binary compatibility for dry run
 if [ ! $no_mima ] && [ $dry_run ]; then
   echodry "Running migration manager report..."
-  sbt $RELEASE_OPT +mimaReportBinaryIssues
+  try sbt $RELEASE_OPT +mimaReportBinaryIssues
   echodry "Finished migration manager report"
 fi
 
 try sbt $RELEASE_OPT whitesourceCheckPolicies
 
-# commit and tag this release
-echolog "Tagging..."
-try git tag -am "Version ${version}" v${version}
-
 # the point of no return... we're now pushing out to servers
 
 # use a special failure from now on