action.yml

name: "Delete GitHub Actions cache"
description: "Delete GitHub Actions cache"
branding:
  icon: "delete"
  color: "gray-dark"
runs:
  using: "composite"
  steps:
    - shell: bash
      run: |
        gh extension install actions/gh-actions-cache

        mergedPRNumbers=$(gh pr list --state merged --json number | jq -r '.[].number')
        for prNumber in $mergedPRNumbers
        do
          gh actions-cache list -L 100 -B refs/pull/$prNumber/merge | cut -f 1 | xargs -I{} gh actions-cache delete --confirm {}
        done

        closedPRNumbers=$(gh pr list --state closed --json number | jq -r '.[].number')
        for prNumber in $closedPRNumbers
        do
          gh actions-cache list -L 100 -B refs/pull/$prNumber/merge | cut -f 1 | xargs -I{} gh actions-cache delete --confirm {}
        done