Since my last on-topic post (mostly about GitHub’s third-party CI provider Travis CI) another alternative for submitting RPM builds in Copr appeared on GitHub – GitHub Actions.

Let’s admit this fact now: From our perspective, GitHub Actions do not bring anything new into the game. Namely, we have Turing-complete language (good) and we still can not store private tokens (Copr API token, e.g.) which could be used securely at the pull-request time (bad, especially for Open Source projects).

But, yes, at least we don’t have to use a third-party application for computational power, and the format of defining Actions (or “workflows”) is (at least subjectively) simpler than before.

Setup the CI for GitHub push events

First, go to the GitHub project you maintain, and:

  1. Go to the Settings menu.
  2. Go to the Actions sub-menu.
  3. Toggle the Enable local and third party Actions for this repository radio button option. This is needed to successfully run external actions/checkout@v1 action.
  4. Go to Secrets menu, and provide a New Secret named COPR_API_TOKEN, filled by contents of the Copr API page (login required).

Then go to the local clone of your project, and push an arbitrarily named *.yml file into .github/workflows/ directory; with content similar to this one:

---
name: RPM build in Fedora Copr
on:
  # Build only on pushes into master branch.
  push:
    branches: [master]

jobs:
  build:
    name: Submit a build from Fedora container
    # Run in Fedora container on Ubuntu VM (no direct Fedora support)
    container: fedora:latest
    runs-on: ubuntu-latest

    steps:
      - name: Check out proper version of sources
        uses: actions/checkout@v1

      - name: Install API token for copr-cli
        env:
          API_TOKEN_CONTENT: ${{ secrets.COPR_API_TOKEN }}
        run: |
          mkdir -p "$HOME/.config"
          echo "$API_TOKEN_CONTENT" > "$HOME/.config/copr"

      - name: Install tooling for source RPM build
        run: |
          dnf -y install @development-tools @rpm-development-tools
          dnf -y install copr-cli make

      - name: Build the source RPM
        run: cd rpm && make srpm

      - name: Submit the build by uploading the source RPM
        run: copr build praiskup/argparse-manpage-ci rpm/*.src.rpm

This is a simple example (or template) that needs some custom tweaks, namely packages and commands needed to build source RPM. But it is indeed enough in practice.

Having Actions as a 1:1 alternative for Travis CI, feel free to read the old post. You can implement the very same work-flow using Github Actions (perhaps for pull-requests, too). But this post provided a lot simpler, a “starter”, Actions example.

Happy building!