gen_CV.yml

name: Generate CV file

on:
  push:
    branches:
      - '*'
    tags:
      - '*'

jobs:
  generate_cv:
    runs-on: ubuntu-latest
    permissions:
      actions: write
      checks: write
      contents: write
      deployments: write
      id-token: write
      issues: write
      discussions: write
      packages: write
      pages: write
      pull-requests: write
      repository-projects: write
      security-events: write
      statuses: write

    env:
      API_KEY: ${{ secrets.API_KEY }}
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

    steps:
      - name: Check out the repository
        uses: actions/checkout@v2

      - name: Is run necessary
        run: |
          # Create the CVs directory if it does not exist
          mkdir -p CVs

          # Check if the script should be run based on file modification date and name
          file_path_pattern="CVs/CMIP6Plus_CV_$(git rev-parse --abbrev-ref HEAD).json"
          latest_commit_date=$(git log -n 1 --format=%cd)
          
          # Check if the file exists
          if [ -e "$file_path_pattern" ]; then
            last_modification_date=$(git log -1 --format=%ad -- "$file_path_pattern")
            
            # Compare the dates
            if [ "$latest_commit_date" \< "$last_modification_date" ]; then
              echo "The latest commit is older than the last modification date for the file."
              echo "EXIT=true" >> $GITHUB_ENV
            else
              echo "The latest commit is not older than the last modification date for the file."
            fi
          else
            echo "File $file_path_pattern not found."

            # Create an empty CV file or perform any necessary initialization
            touch "$file_path_pattern"
      
            # echo "EXIT=false" >> $GITHUB_ENV
          fi

      - name: Set up Git
        run: |
          # Configure Git settings
          git config user.email "actions@wcrp-cmip.org"
          git config user.name "CMIP-IPO: Automated GitHub Action"
          git config credential.helper store
          git config --global user.email "actions@wcrp-cmip.org"
          git config --global user.name "CMIP-IPO GitHub Action"
          git config --global push.default current
          GH_TOKEN=${{ secrets.GITHUB_TOKEN }}
          echo "GH_TOKEN=${GH_TOKEN}" >> $GITHUB_ENV
          echo "GITHUB_TOKEN=${GH_TOKEN}" >> $GITHUB_ENV
          git pull

      - name: Set GIT repo environment variables
        run: |
          # Set environment variables related to Git repository
          echo "COMMIT_HASH=${GITHUB_SHA}" >> $GITHUB_ENV
          TAG=$(curl -s -H "Authorization: Bearer $GITHUB_TOKEN" "https://api.github.com/repos/${{ github.repository }}/releases/latest" | jq -r .tag_name)
          echo "TAG_VERSION=${TAG}" >> $GITHUB_ENV
          COMMIT_DATE=$(curl -s -H "Authorization: Bearer $GITHUB_TOKEN" "https://api.github.com/repos/${{ github.repository }}/commits/${{ github.sha }}" | jq -r '.commit.author.date')
          echo "COMMIT_DATE=${COMMIT_DATE}" >> $GITHUB_ENV

      - name: Display GIT environment variables
        run: |
          # Display Git environment variables for debugging
          echo "Commit Hash: $COMMIT_HASH"
          echo "Tag Version: $TAG_VERSION"
          echo "Commit Date: $COMMIT_DATE"
          echo "${{github.repository}}"

      - name: Print latest commit SHA
        id: commit_sha
        run: |
          # Print the latest commit SHA
          echo "commit=$(git rev-parse HEAD)" >> $GITHUB_ENV
          echo "CVs/CMIP6Plus_CV_$(git rev-parse --abbrev-ref HEAD).json"

      - name: Run Python Check
        id: 'run-python-script'
        run: |
          # Run Python script if necessary
          
          if [ ! "$EXIT" ]; then
            file_path_pattern="$(git rev-parse --abbrev-ref HEAD)"
            python create_cv.py -c "${COMMIT_HASH}" -b "$file_path_pattern" -t "${TAG_VERSION}" -d "${COMMIT_DATE}" -a "${GH_TOKEN}"
          fi
        working-directory: .github/libs
        env:
          PYTHON_SCRIPT_OUTPUT: ${{ steps.run-python-script.outputs.stdout }}
          PYTHON_SCRIPT_ERROR: ${{ steps.run-python-script.outputs.stderr }}
        continue-on-error: false

      - name: Write new CV
        run: |
          # Write new CV if necessary
          if [ -z "$ACT" ] && [ ! "$EXIT" ]; then
          # Display the current Git branch
          echo "Branch: $(git rev-parse --abbrev-ref HEAD)"
          
          # Define file paths
          file="CVs/CMIP6Plus_CV$(git rev-parse --abbrev-ref HEAD).json"
          altfile="CVs/CMIP6Plus_CV.json"
          
          # Check if either file or altfile exists
          if [ -e $file ] || [ -e $altfile ]; then
            # Choose the existing file (either file or altfile)
            existing_file=$([ -e $file ] && echo $file || echo $altfile)
        
            # Get the current date and time
            current_datetime=$(date +"%Y-%m-%d %H:%M")
        
            # Add all changes to the Git repository
            git add -A
        
            # Add the specific file to the Git repository
            git add -f $existing_file
        
            # Commit the changes with a message indicating the file creation
            git commit -m "Automatically generated $existing_file: $current_datetime"
        
            # Push the changes to the remote repository for the current branch
            git push origin $(git rev-parse --abbrev-ref HEAD)
          else
            echo "Neither $file nor $altfile found. No action taken."
          fi
          else
            # Skip this step in 'act' environment
            echo "Skipping this step in 'act' environment."
          fi
        continue-on-error: true