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RELEASE.md

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Release

This document explains how to build and release Alpha.

First, decide which revision (= Git commit) of Alpha you want to release. This revision should be on master and ideally ahead of any previously released revisions. We denote the Git commit hash of the revision to be released as $rev (it is a reference to a commit, so it could be the name of a branch, say, master or just a hash like cafebabe).

You probably have already checked out this version, but if you haven't, do so now:

$ git checkout $rev

Now is the time to make sure the revision you are about to release actually works fine. Run tests, try it out manually, maybe go paranoid and ./gradlew clean everything and try again. Only continue if you are happy with the revision you are about to release, and avoid list minute fixes.

Next, give $rev a name, by tagging it. The naming convention for tags is Semantic Versioning 2. Read through the specification of Semantic Versioning carefully, before releasing anything. If in doubt, read it again and seek advice.

Make sure the version you want to release does not collide and fits with any tags already present on GitHub. We denote the version to be released as $version (it looks like "v0.1.0", "v1.0.0-beta", note it starts with the letter "v").

$ git tag $version

Now you push this tag to GitHub:

$ git push --tags

Navigate to (Releases)[https://github.com/alpha-asp/Alpha/releases] and press "Draft a new release"). Fill in $version as the name of your tag, and change the Release Title to $version. Feel free to write a release note (we currently have no policy in place for release notes). If $version is below 1 or you are releasing a preview version, check the box.

Now, let's generate two distribution packages of Alpha for convenience. You will attach two files to the release on GitHub. alpha.jar, a self-contained and executbale JAR and alpha.zip which contains Alpha as JAR file, dependencies as JAR files and two scripts to run Alpha on Unix-like and Windows respectively.

To generate alpha.jar:

$ ./gradlew alpha-cli-app:bundledJar
$ cp alpha-cli-app/build/libs/alpha-cli*-bundled.jar alpha.jar

To generate alpha.zip:

$ ./gradlew alpha-cli-app:distZip
$ cp alpha-cli-app/build/distributions/*.zip alpha.zip

Attach the two files to the release on GitHub, then publish the release. Lastly, check that everything is fine, e.g. that the tag/version really points at the revision you wanted to rlease and that alpha.zip and `alpha.jar downloaded from GitHub do what they are supposed to do.