main.yml

# This is a basic workflow to help you get started with Actions
name: CI

# Controls when the action will run. Triggers the workflow on push or pull request
# events but only for the master branch
on:
  schedule:
    - cron: '0 */6 * * *'
    
  push:
    branches: [ main ]
#   pull_request:
#     branches: [ master ]
  workflow_dispatch:
    

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      - name: Set up Go 1.x
        uses: actions/setup-go@v2
        with:
          go-version: ^1.16
          
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0
          ref: ${{ github.head_ref }}

      # Runs a single command using the runners shell
      - name: Generate cfn-cue specs
        run: go run .
      
      - name: files-changed
        id: fileschanged
        run: |
          git diff --name-only
          git diff --name-only | wc -l
          echo ::set-output name=numfiles::$(git diff --name-only | wc -l)
        shell: bash
      
      - name: print files changed
        run: echo ${{ steps.fileschanged.outputs.numfiles }}

      - name: Get info 
        run: |
          curl -L https://github.com/cuelang/cue/releases/download/v0.3.2/cue_v0.3.2_linux_amd64.tar.gz | tar -zxvf - cue; ls -al
          CommitMessage=$(cat aws/uswest2/uswest2.cue | grep ResourceSpecificationVersion)
          CFN_VERSION=$(echo $CommitMessage | ./cue eval - -e "#ResourceSpecificationVersion" --out text)
          CUE_VERSION=$(go list -f "{{.Version}}" -m cuelang.org/go)
          echo "CommitMessage=$CommitMessage" && echo "CFN_VERSION=$CFN_VERSION" && echo "CUE_VERSION=$CUE_VERSION"
          echo "CommitMessage=$CommitMessage" >> $GITHUB_ENV
          echo "CFN_VERSION=$CFN_VERSION" >> $GITHUB_ENV
          echo "CUE_VERSION=$CUE_VERSION" >> $GITHUB_ENV
#         if: steps.fileschanged.outputs.numfiles > 0
      
      - name: print
        run: echo "CommitMessage=$CommitMessage" && echo "CFN_VERSION=$CFN_VERSION" && echo "CUE_VERSION=$CUE_VERSION"
#         if: steps.fileschanged.outputs.numfiles > 0
      
      - name: git push
        run: |
          git config user.name github-actions
          git config user.email github-actions@github.com
          git add -A
          git commit -m "$CommitMessage"
          git tag "$CUE_VERSION-$CFN_VERSION"
          git push
          git push --tags
        if: steps.fileschanged.outputs.numfiles > 0