name: Build and push Docker container
on: [push]

jobs:
  build:
    runs-on: metal-docker
    steps:
      - name: Check out repository code
        uses: actions/checkout@v3
      - run: |
          ls -la
          if [ x"$GITHUB_REF_NAME" = xmain ];then
            NODE_RED_VERSION=latest
          else
            NODE_RED_VERSION=$GITHUB_REF_NAME
          fi
          docker build --build-arg NODE_RED_VERSION="$NODE_RED_VERSION" --progress plain --iidfile iid.txt .
          stringprefix() { [ ${#1} -le $2 ] && echo $1 && return 0 || stringprefix "${1%?}" $2 ; }
          SHORTSHA="$(stringprefix "$GITHUB_SHA" 8)"
          for TAG in "$SHORTSHA" "$GITHUB_REF_NAME";do
            docker tag "`cat iid.txt`" "$DOCKER_REGISTRY/$GITHUB_REPOSITORY:$TAG"
            docker push "$DOCKER_REGISTRY/$GITHUB_REPOSITORY:$TAG"
          done