branching.yml

name: Check Branch Name and Verify JIRA ID on JIRA Board

on:
  pull_request:
    types: [opened, edited, synchronize, reopened, closed]

jobs:
  run-script:
    permissions: write-all
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Extract base branch name
        shell: bash
        run: echo "branch=${GITHUB_BASE_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
        id: base_branch
      - name: Base branch
        run: |
          echo ${{ steps.base_branch.outputs.branch }}
      
      - name: Extract source branch name
        shell: bash
        run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
        id: extract_branch

      - uses: winterjung/split@v2
        id: split
        with:
          msg: ${{ steps.extract_branch.outputs.branch }}
          separator: '-'
          maxsplit: 1
          
      - name: Action PR title
        if: ${{ (steps.split.outputs._0 == 'feature') || (steps.split.outputs._0 == 'hotfix') }}
        uses: deepakputhraya/action-pr-title@master
        with:
          regex: '\w+\-\w+\-\d+' # Regex the title should match.
          allowed_prefixes: '' # title should start with the given prefix
          disallowed_prefixes: '' # title should not start with the given prefix
          prefix_case_sensitive: true # title prefix are case insensitive
          min_length: 5 # Min length of the title
          max_length: 200 # Max length of the title
          github_token: ${{ github.token }} # Default: ${{ github.token }}

      - name: Branch matcher
        if: github.event.pull_request.merged != true
        run: |
          if [ "${{ steps.base_branch.outputs.branch }}" == "${{ github.event.repository.default_branch }}" ]
          then
            if [ "${{ steps.split.outputs._0 }}" == 'release' ] || [ "${{ steps.split.outputs._0 }}" == 'hotfix' ]
            then
              echo "This pull request targets the default branch branching strategy."
            else
              echo "Please check your default branch branching strategy again!"
              exit 1
            fi
          elif [[ "${{ steps.base_branch.outputs.branch }}" == release ]]
          then
            if [ ${{ steps.split.outputs._0 }} == 'feature' ] || [ ${{ steps.split.outputs._0 }} == "${{ github.event.repository.default_branch }}" ] 
            then
              echo "This pull request targets the Release branching strategy."
            else
              echo "Please check your Release branch branching strategy again!"
              exit 1
            fi
          else 
            echo "NO conditions matched please check again!!"
            exit 1
          fi
      - name: Verify JIRA ID on JIRA Board
        if: ${{ (steps.split.outputs._0 == 'feature') || (steps.split.outputs._0 == 'hotfix') }} 
        id: verify-jira-id
        run: |
          jira_id="${{ steps.split.outputs._1 }}"
          jira_url="https://bharatpe.atlassian.net/rest/api/2/issue/$jira_id"
          # Replace 'your-jira-username' and 'your-jira-api-token' with your Jira credentials
          curl -u ${{ secrets.JIRA_USERNAME }}:${{ secrets.JIRA_TOKEN }} -X GET -H "Content-Type: application/json" $jira_url | grep -q 'id' && echo "JIRA ID $jira_id exists on the JIRA board" || (echo "JIRA ID $jira_id does not exist on the JIRA board" && exit 1)
      - name: Add tag in default branch
        if: ${{ steps.base_branch.outputs.branch == github.event.repository.default_branch && github.event.pull_request.merged == true }}
        run: |
          echo "Tagging The following Repo"
          # Fetch latest semantic versioning tag
          latest_semantic_tag=$(curl -s -H "Authorization: token ${{ secrets.github_token }}" "https://api.github.com/repos/bharatpe/${{ github.event.repository.name }}/tags" | jq -r '.[].name | select(test("^v[0-9]+\\.[0-9]+\\.[0-9]+$"))' | sort -V | tail -1)

          # If no semantic versioning tags are found, fallback to non-semantic versioning tags
          if [ -z "$latest_semantic_tag" ]; then
              latest_non_semantic_tag=$(curl -s -H "Authorization: token ${{ secrets.github_token }}" "https://api.github.com/repos/bharatpe/${{ github.event.repository.name }}/tags" | jq -r '.[].name | select(test("^v[0-9]+$"))' | sort -V | tail -1)
              latest_tag=$latest_non_semantic_tag
          else
              latest_tag=$latest_semantic_tag
          fi
          current_version="$latest_tag"
          echo "Current version: $current_version"
          IFS='.' read -r -a version_parts <<< "$current_version"

          commit_messages=$(git log -n 3)
          commit_messagesTrim=$(echo "$commit_messages" | head -c 500)
          git config --global user.email "deployer@bharatpe.com"
          git config --global user.name "deployerbharatpe"
          pattern="^v[0-9]+\.[0-9]+\.[0-9]+$"
          if [ -z "$current_version" ] || ! [[ "$current_version" =~ $pattern ]]; then
            echo "This Repo Has Not Been Tagged Yet Starting Tagging The Following Repo"
            git tag -a v0.1.0 -m "$commit_messagesTrim"
            git push  origin v0.1.0
          else
            x=${version_parts[0]}
            y=${version_parts[1]}
            z=${version_parts[2]}
            echo "$x"
            echo "$y"
            echo "$z"
            if [[ "${{ steps.split.outputs._0 }}" == 'hotfix' ]]; then
              z=$((z+1))
            elif [ "$y" -lt 9 ]; then
              
              y=$((y+1))
              z=0
            else
              
              x=$((x+1))
              y=0
            fi
            # Create the new tag
            new_version="$x.$y.$z"
            echo  "$new_version"
            echo "This Repo is already Tagging, Old_Tag : $current_tag Incrementing it to New_Tag : $new_version"
            git tag -a $new_version -m "$commit_messagesTrim"
            git push origin $new_version
          fi