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Releasing mesos_exporter

Updating the CHANGELOG.

Before you begin a release, make sure that the CHANGELOG is up to date.

Tagging the release.

First, increment the version number in the VERSION file. Next, tag the release. We use semantic version tags prefixed with the letter "v", e.g. "v0.9.8". When tagging, you should use an annotated tag. In the body of the tag commit message, put the shortlog to give a summary of the changes included in the tags, e.g. git shortlog --no-merge HEAD...$PREVIOUS.

Creating the Github release.

Once you have pushed a release tag, you need to make a draft release in the Github interface. Use the new release link and save the release as a draft.

At this point, make sure you have a Github access token that has edit permissions for the repository.

Building and pushing the release.

Now you are ready to actually build and push the release. To do this, you just need to run the promu tool in the right sequence. Make sure that your GOPATH is set and that you export the GITHUB_TOKEN environment variable with the token you previously created.

$ export PATH="$GOPATH/bin:$PATH"
$ export GITHUB_TOKEN=xxxxxxxx
$ go get -u github.com/aktau/github-release
$ go get -u github.com/prometheus/promu
$ crossbuild
$ crossbuild tarballs
$ checksum .tarballs
$ release .tarballs

Once this completes successfully, you can edit any release notes in the Github UI, and publish the release.