branch-name-check.yml

name: Branch and PR Name Validation

on:
  push:
    branches:
      - master
      - develop
      - console

  pull_request:
    branches:
      - master
      - develop
      - console
      
    types:
      - opened
      - edited
      - reopened

jobs:
  validate-names:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Validate branch name
        run: |
          # Determine the branch name
          if [[ "${GITHUB_EVENT_NAME}" == "pull_request" ]]; then
            branch_name="${GITHUB_HEAD_REF}"
          else
            branch_name="${GITHUB_REF#refs/heads/}"
          fi
      
          # Define the branch name pattern
          PREFIXES="FEATURE|BUGFIX|RELEASE"
          PROJECTS="HCMPRE|DPG|SN"
          TICKET_PATTERN="[0-9]{1,5}"
          BRANCH_PATTERN="^($PREFIXES)\/($PROJECTS)-$TICKET_PATTERN$"
      
          # Validate the branch name
          if [[ ! "$branch_name" =~ $BRANCH_PATTERN ]]; then
            echo "Branch name '$branch_name' does not follow the correct pattern: $PREFIXES/$PROJECTS-<TICKET_NO> where <TICKET_NO> is $TICKET_PATTERN"
            exit 1
          fi

      - name: Validate PR title
        if: ${{ github.event_name == 'pull_request' }} # Only for PR validation
        run: |
          # Define constants
          PREFIXES="FEATURE|BUGFIX|RELEASE"
          PROJECTS="HCMPRE|DPG|SN"
          TICKET_PATTERN="[0-9]{1,5}"
          TITLE_PATTERN="^($PREFIXES)\/($PROJECTS)-$TICKET_PATTERN.*$"
          MIN_TITLE_LENGTH=30


          # Fetch the latest PR title dynamically
          pr_title=$(curl -s https://api.github.com/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }} | jq -r '.title')
          echo "Fetched PR title: $pr_title"

          # Validate the PR title
          if [[ ! "$pr_title" =~ $TITLE_PATTERN ]]; then
            echo "PR title '$pr_title' does not follow the correct pattern: $PREFIXES/$PROJECTS-<TICKET_NO> : <Description> where <TICKET_NO> is $TICKET_PATTERN"
            exit 1
          fi

          # Validate the PR title length
          if [[ ${#pr_title} -lt $MIN_TITLE_LENGTH ]]; then
            echo "PR title '$pr_title' is too short. It must be at least $MIN_TITLE_LENGTH characters long, excluding the default pattern or ticket number."
            exit 1
          fi
      
          echo "PR title validation passed."