lambda-bun-runtime/.github/workflows/build-layer.yml at main · BeeSolve/lambda-bun-runtime · GitHub

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name: build-layer

on:
  workflow_dispatch:
    inputs:
      version:
        description: "Bun version to build (semver, e.g. 1.3.14)"
        required: true
        type: string
  workflow_call:
    inputs:
      version:
        description: "Bun version to build (semver, e.g. 1.3.14)"
        required: true
        type: string

jobs:
  build-and-pr:
    name: Build layer and create PR
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    env:
      BUN_VERSION: ${{ inputs.version }}
    steps:
      - uses: actions/checkout@v6

      - uses: oven-sh/setup-bun@v2
        with:
          bun-version: ${{ inputs.version }}

      - run: bun install --frozen-lockfile

      - name: Verify layer builds successfully
        run: bun run build:layer

      - name: Update .bun-version
        run: echo "${{ inputs.version }}" > .bun-version

      - name: Update src/index.ts
        run: |
          sed -i "s/const bunVersion = \".*\"/const bunVersion = \"${{ inputs.version }}\"/" src/index.ts

      - name: Update README.md
        run: |
          sed -i "s|Current bun version: \[.*\](.*)|Current bun version: [${{ inputs.version }}](https://bun.sh/blog/bun-v${{ inputs.version }})|" README.md

      - name: Compute package version
        id: pkg
        run: |
          IFS='.' read -r MAJOR MINOR PATCH <<< "${{ inputs.version }}"
          PKG_MINOR=$((MAJOR * 10000 + MINOR * 100 + PATCH))
          echo "version=3.${PKG_MINOR}.0" >> "$GITHUB_OUTPUT"

      - name: Commit and create PR
        uses: peter-evans/create-pull-request@v8
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          commit-message: "feat: update bun runtime to v${{ inputs.version }}"
          branch: "bun-update/${{ inputs.version }}"
          title: "feat: update bun runtime to v${{ inputs.version }}"
          body: |
            Updates the Bun Lambda runtime layer to v${{ inputs.version }}.

            **Package version:** `${{ steps.pkg.outputs.version }}`

            ### Changes
            - Updated `.bun-version`
            - Updated `src/index.ts` version constant
            - Updated `README.md` version badge

            The layer zip is built fresh during release — no binary committed.
            Merging this PR will trigger the release workflow and publish `@beesolve/lambda-bun-runtime@${{ steps.pkg.outputs.version }}` to npm.
          add-paths: |
            .bun-version
            src/index.ts
            README.md