clear-cache.yml

# https://stackoverflow.com/a/73556714
name: Clear Cache

on:
  workflow_dispatch:

permissions:
  actions: write

jobs:
  clear-cache:
    runs-on: ubuntu-latest
    steps:
      - name: Clear cache
        uses: actions/github-script@v6
        with:
          script: |
            console.log("About to clear")
            const response = await github.rest.actions.getActionsCacheList({
                owner: context.repo.owner,
                repo: context.repo.repo,
                page: 1,
                per_page: 100
            });
            
            const pages = (function() { 
                if (typeof response.headers.link !== 'undefined') {
                    return response.headers.link.split(">").slice(-2)[0].split('=').slice(-1)[0]
                }
                return 1;
            })();
            
            console.log("Total pages: " + pages);
            
            for (let page = pages; page >= 1; page--) {
                console.log("Processing page " + page)
              
                const response = await github.rest.actions.getActionsCacheList({
                    owner: context.repo.owner,
                    repo: context.repo.repo,
                    page: page,
                    per_page: 100
                });
                
                for (const cache of response.data.actions_caches) {
                    console.log(cache)
                    github.rest.actions.deleteActionsCacheById({
                        owner: context.repo.owner,
                        repo: context.repo.repo,
                        cache_id: cache.id,
                    })
                }
            }
            
            console.log("Clear completed")