Maven Snapshots in Packages accumulate / is there a way to clean up old SNAPSHOTs

[TomRauchenwald]

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We are evaluating if we can migrate to GitHub packages as a maven repository for our organization.

One thing we noticed is that when we build maven -SNAPSHOT versions multiple times, the artifacts accumulate quickly under the -SNAPSHOT version (since maven appends a timestamp to each artifact, and we want to build each commit to our main branch).
The older artifacts are not needed anymore, but they still waste disk space.

Is there a way to say "keep only the latest x SNAPSHOT versions" like in other tools?
Or is there a way to clean up outdated artifacts with an action?

As far as I understand it, currently it's only possible to delete the entire version... is my understanding correct?

Thanks!

[rauzerfabiano]

Yes, you are correct that currently there is no built-in way to automatically delete old snapshot versions in GitHub Packages. When you deploy a snapshot version to GitHub Packages, each build creates a new timestamped artifact, and there is no built-in functionality to automatically delete old artifacts.

However, you can use GitHub Actions to delete old snapshot versions. You can write a custom script or use an existing action to delete old snapshot versions. Here is an example workflow that you can modify to delete old snapshot versions:

name: Delete Old Snapshots

on:
  schedule:
    - cron: '0 0 * * *' # Run every day at midnight

jobs:
  delete-old-snapshots:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout code
      uses: actions/checkout@v2

    - name: Delete old snapshots
      uses: joshdk/github-packages-delete@v3.3.0
      with:
        token: ${{ secrets.GITHUB_TOKEN }}
        repository: myorg/myrepo
        keep: 5 # Change this number to the number of latest snapshots you want to keep
        package-type: maven
        package-name: mypackage
        package-version: SNAPSHOT

This workflow runs every day at midnight and deletes all but the latest 5 snapshot versions of a specific Maven package in a specific repository owned by your organization. You can customize the values for repository, package-name, package-version, and keep to fit your specific needs.

Note that you need to have appropriate permissions to delete packages in the repository, and you also need to provide a valid GITHUB_TOKEN secret that has those permissions.

[davija]

Looks like the action you referenced here no longer exists.

[TomRauchenwald]

Thanks for the answer, I'm aware that I can delete entire versions.
The problem I'm facing is that packages accumulate under one version. I'd like to keep only the latest SNAPSHOT.

See this ticket for example: actions/delete-package-versions#71
Looks like there's no solution for that right now.

The problem is that this wastes a lot of disk space (that we'll eventually have to pay for), and the only option seems to be to delete the entire version, which is a bit too much.

Btw. the workflow you posted uses an action that doesn't seem to be public.

[jorsmatthys]

We just started exploring the option to replace Nexus with GitHub Packages and this would basically make that nonviable . Unless you would agree that as long as there is no option to clean up these old versions we only have to pay for the storage of the latest version. This would explode very quickly for applications that are under active development especially since we might use versions like "-SNAPSHOT" or other snapshot versions that never change in some projects.

Deleting the entire versions before you attempt to deploy it again seems like an ugly workaround as well.

[Kittichaiaaa]

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[DirkLachowski]

Well, it's dormant because GitHub isn't taking action or giving any updates. So GitHub, what's the plans?

[github-actions[bot]]

🕒 Discussion Activity Reminder 🕒

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[DirkLachowski]

And here we are again:
Well, it's dormant because GitHub isn't taking action or giving any updates. So GitHub, what's the plans?