brew-update.yml

name: brew-update
run-name: "Update Homebrew formula for ${{ github.event.release.tag_name }}"

on:
  release:
    types: [published]

permissions:
  contents: read

jobs:
  update-formula:
    runs-on: ubuntu-latest
    steps:
      - name: Extract version
        id: ver
        env:
          TAG: ${{ github.event.release.tag_name }}
        run: |
          version="${TAG#v}"
          echo "version=${version}" >> "$GITHUB_OUTPUT"

      - name: Download standalone tarball
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          TAG: ${{ github.event.release.tag_name }}
          VERSION: ${{ steps.ver.outputs.version }}
        run: |
          asset="codexmate-${VERSION}-standalone.tar.gz"

          for attempt in 1 2 3; do
            assets=$(gh release view "${TAG}" --json assets --jq '.assets[].name')
            if printf '%s\n' "${assets}" | grep -Fxq "${asset}"; then
              gh release download "${TAG}" \
                --pattern "${asset}" \
                --dir ./assets
              exit 0
            fi

            echo "Asset ${asset} not found for ${TAG} (attempt ${attempt}/3)."
            echo "Available assets:"
            printf '%s\n' "${assets}"
            sleep $((attempt * 10))
          done

          echo "::error::Missing release asset ${asset} for ${TAG}."
          exit 1

      - name: Compute SHA256
        id: sha
        run: |
          sha=$(sha256sum "./assets/codexmate-${{ steps.ver.outputs.version }}-standalone.tar.gz" | awk '{print $1}')
          echo "sha256=${sha}" >> "$GITHUB_OUTPUT"

      - name: Checkout tap repo
        uses: actions/checkout@v4
        with:
          repository: SakuraByteCore/homebrew-codexmate
          token: ${{ secrets.HOMEBREW_TAP_TOKEN }}
          ref: main

      - name: Update formula
        env:
          VERSION: ${{ steps.ver.outputs.version }}
          SHA256: ${{ steps.sha.outputs.sha256 }}
        run: |
          formula="Formula/codexmate.rb"

          url="https://github.com/SakuraByteCore/codexmate/releases/download/v${VERSION}/codexmate-${VERSION}-standalone.tar.gz"

          sed -i "s|^  url \".*\"|  url \"${url}\"|" "$formula"
          sed -i "s|^  sha256 \".*\"|  sha256 \"${SHA256}\"|" "$formula"

          if ! grep -Fq "${url}" "$formula"; then
            echo "::error::Formula URL was not updated to ${url}."
            exit 1
          fi

          if ! grep -Fq "${SHA256}" "$formula"; then
            echo "::error::Formula SHA256 was not updated to ${SHA256}."
            exit 1
          fi

          echo "### Formula updated" >> "$GITHUB_STEP_SUMMARY"
          echo "- version: \`${VERSION}\`" >> "$GITHUB_STEP_SUMMARY"
          echo "- sha256: \`${SHA256}\`" >> "$GITHUB_STEP_SUMMARY"
          echo "- url: \`${url}\`" >> "$GITHUB_STEP_SUMMARY"

          cat "$formula" >> "$GITHUB_STEP_SUMMARY"

      - name: Commit and push
        env:
          VERSION: ${{ steps.ver.outputs.version }}
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add Formula/codexmate.rb
          if git diff --cached --quiet; then
            echo "No changes to commit"
            exit 0
          fi

          git commit -m "bump codexmate to v${VERSION}"
          git push origin main