update-homebrew.yml

name: Update Homebrew Tap

on:
  release:
    types: [published]
  workflow_dispatch:

permissions:
  contents: write
  pull-requests: write

jobs:
  update-formula:
    runs-on: ubuntu-latest

    env:
      TAG_NAME: ${{ github.event.release.tag_name || 'edge' }}

    steps:
      - name: Checkout the pops repository
        uses: actions/checkout@v4
        with:
          ref: ${{ github.ref }}

      - name: Download & compute checksums
        id: checksums
        run: |
          VERSION=${{ env.TAG_NAME }}

          # Download each artifact
          curl -L -o pops-darwin-amd64 \
            https://github.com/prompt-ops/pops/releases/download/${VERSION}/pops-darwin-amd64
          curl -L -o pops-darwin-arm64 \
            https://github.com/prompt-ops/pops/releases/download/${VERSION}/pops-darwin-arm64
          curl -L -o pops-linux-amd64 \
            https://github.com/prompt-ops/pops/releases/download/${VERSION}/pops-linux-amd64
          curl -L -o pops-linux-arm64 \
            https://github.com/prompt-ops/pops/releases/download/${VERSION}/pops-linux-arm64

          # Compute checksums
          DARWIN_AMD64_SHA=$(sha256sum pops-darwin-amd64 | cut -d ' ' -f1)
          DARWIN_ARM64_SHA=$(sha256sum pops-darwin-arm64 | cut -d ' ' -f1)
          LINUX_AMD64_SHA=$(sha256sum pops-linux-amd64 | cut -d ' ' -f1)
          LINUX_ARM64_SHA=$(sha256sum pops-linux-arm64 | cut -d ' ' -f1)

          echo "darwin_amd64_sha=${DARWIN_AMD64_SHA}" >> $GITHUB_ENV
          echo "darwin_arm64_sha=${DARWIN_ARM64_SHA}" >> $GITHUB_ENV
          echo "linux_amd64_sha=${LINUX_AMD64_SHA}" >> $GITHUB_ENV
          echo "linux_arm64_sha=${LINUX_ARM64_SHA}" >> $GITHUB_ENV

      - name: Checkout Homebrew Tap
        uses: actions/checkout@v4
        with:
          repository: prompt-ops/homebrew-tap
          token: ${{ secrets.POPS_GITHUB_OPS_PAT }}
          ref: main
          path: homebrew-tap

      - name: Update formula
        run: |
          VERSION=${{ env.TAG_NAME }}
          DARWIN_AMD64_SHA=${{ env.darwin_amd64_sha }}
          DARWIN_ARM64_SHA=${{ env.darwin_arm64_sha }}
          LINUX_AMD64_SHA=${{ env.linux_amd64_sha }}
          LINUX_ARM64_SHA=${{ env.linux_arm64_sha }}

          cd homebrew-tap
          FORMULA_FILE="Formula/pops.rb"

          # Use sed to replace version, URLs, and SHAs in the Ruby formula
          sed -i.bak "s|^  version \".*\"|  version \"${VERSION}\"|" $FORMULA_FILE

          # Darwin Intel
          sed -i.bak "s|^      url \"https://github.com/prompt-ops/pops/releases/download/.*pops-darwin-amd64\"|      url \"https://github.com/prompt-ops/pops/releases/download/${VERSION}/pops-darwin-amd64\"|" $FORMULA_FILE
          sed -i.bak "s|^      sha256 \".*\"|      sha256 \"${DARWIN_AMD64_SHA}\"|" $FORMULA_FILE

          # Darwin ARM
          sed -i.bak "s|^      url \"https://github.com/prompt-ops/pops/releases/download/.*pops-darwin-arm64\"|      url \"https://github.com/prompt-ops/pops/releases/download/${VERSION}/pops-darwin-arm64\"|" $FORMULA_FILE
          sed -i.bak "s|^      sha256 \".*\"|      sha256 \"${DARWIN_ARM64_SHA}\"|" $FORMULA_FILE

          # Linux Intel
          sed -i.bak "s|^      url \"https://github.com/prompt-ops/pops/releases/download/.*pops-linux-amd64\"|      url \"https://github.com/prompt-ops/pops/releases/download/${VERSION}/pops-linux-amd64\"|" $FORMULA_FILE
          sed -i.bak "s|^      sha256 \".*\"|      sha256 \"${LINUX_AMD64_SHA}\"|" $FORMULA_FILE

          # Linux ARM
          sed -i.bak "s|^      url \"https://github.com/prompt-ops/pops/releases/download/.*pops-linux-arm64\"|      url \"https://github.com/prompt-ops/pops/releases/download/${VERSION}/pops-linux-arm64\"|" $FORMULA_FILE
          sed -i.bak "s|^      sha256 \".*\"|      sha256 \"${LINUX_ARM64_SHA}\"|" $FORMULA_FILE

          # Remove backup files
          rm -f $FORMULA_FILE.bak

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v7
        with:
          token: ${{ secrets.POPS_GITHUB_OPS_PAT }}
          path: "homebrew-tap"
          committer: pops-ci-bot <pops-ci-bot@users.noreply.github.com>
          author: pops-ci-bot <pops-ci-bot@users.noreply.github.com>
          signoff: true
          commit-message: "chore: Update pops formula to ${{ env.TAG_NAME }}"
          title: "Update pops formula to ${{ env.TAG_NAME }}"
          body: "This PR was automatically created by GitHub Actions to bump pops to ${{ env.TAG_NAME }}."
          base: main
          branch: update-pops-${{ env.TAG_NAME }}
          delete-branch: true