name: 'Pin build-tools image'

on:
  workflow_dispatch:
    inputs:
      from-tag:
        description: 'Source tag'
        required: true
        type: string
  workflow_call:
    inputs:
      from-tag:
        description: 'Source tag'
        required: true
        type: string

defaults:
  run:
    shell: bash -euo pipefail {0}

concurrency:
  group: pin-build-tools-image-${{ inputs.from-tag }}

permissions: {}

jobs:
  tag-image:
    runs-on: ubuntu-latest

    env:
      FROM_TAG: ${{ inputs.from-tag }}
      TO_TAG: pinned

    steps:
      - name: Check if we really need to pin the image
        id: check-manifests
        run: |
          docker manifest inspect neondatabase/build-tools:${FROM_TAG} > ${FROM_TAG}.json
          docker manifest inspect neondatabase/build-tools:${TO_TAG}   > ${TO_TAG}.json

          if diff ${FROM_TAG}.json ${TO_TAG}.json; then
            skip=true
          else
            skip=false
          fi

          echo "skip=${skip}" | tee -a $GITHUB_OUTPUT

      - uses: docker/login-action@v3
        if: steps.check-manifests.outputs.skip == 'false'
        with:
          username: ${{ secrets.NEON_DOCKERHUB_USERNAME }}
          password: ${{ secrets.NEON_DOCKERHUB_PASSWORD }}

      - name: Tag build-tools with `${{ env.TO_TAG }}` in Docker Hub
        if: steps.check-manifests.outputs.skip == 'false'
        run: |
          docker buildx imagetools create -t neondatabase/build-tools:${TO_TAG} \
                                             neondatabase/build-tools:${FROM_TAG}

      - uses: docker/login-action@v3
        if: steps.check-manifests.outputs.skip == 'false'
        with:
          registry: 369495373322.dkr.ecr.eu-central-1.amazonaws.com
          username: ${{ secrets.AWS_ACCESS_KEY_DEV }}
          password: ${{ secrets.AWS_SECRET_KEY_DEV }}

      - name: Tag build-tools with `${{ env.TO_TAG }}` in ECR
        if: steps.check-manifests.outputs.skip == 'false'
        run: |
          docker buildx imagetools create -t 369495373322.dkr.ecr.eu-central-1.amazonaws.com/build-tools:${TO_TAG} \
                                             neondatabase/build-tools:${FROM_TAG}