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Automatically set your github.io domain in GitHub Actions

Collaborative websites need to be forked, but if you set baseURL the forked website will load resources from the original.. Not ideal.

The fix I applied to my GitHub Actions CI to work around this:

jobs:
  deploy:
    runs-on: ubuntu-latest
    defaults:
      run:
        shell: bash
    steps:
      - name: Build 🔨
        run: |
          hugo --baseURL https://${GITHUB_REPOSITORY%%/*}.github.io/${GITHUB_REPOSITORY#*/}

This overrides the configured baseURL at build time with your GitHub account name as the subdomain and the repository as the directory.

I share this in hopes it saves you the time I lost figuring this out!

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Joe Heaton

Joe’s technology-focused murmurings.
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