main.yml

name: Create Tag and Release

on:
  workflow_dispatch:
    inputs:
      tag_name:
        description: 'Tag name for the new release'
        required: true

permissions:
  contents: write
  packages: write
  pull-requests: write

jobs:
   fetch-tag:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v2
      
      - name: Get latest tag
        id: get_tag
        run: echo ::set-output name=old_tag_name::$(git ls-remote --tags origin | awk -F"/" '{print $3}' | grep -v '{}' | sort -V | tail -n1)
      
      - name: Use latest tag
        run: echo "Latest tag is ${{ steps.get_tag.outputs.old_tag_name }}"
  
   changelog:
      name: Build Changelog
      needs: fetch-tag
      runs-on: ubuntu-latest
      outputs:
        changelog: ${{ steps.build_changelog.outputs.changelog }}
  
      steps:
        - name: Checkout
          uses: actions/checkout@v2
        - name: changelog print old tag
          run: echo  "old_tag is ${{ needs.fetch-tag.get_tag.outputs.old_tag_name }}"
        - name: Build Changelog
          id: build_changelog
          uses: mikepenz/release-changelog-builder-action@v4
          with:
            fromTag:  ${{ needs.fetch-tag.get_tag.outputs.old_tag_name }}
            toTag:  ${{ github.event.inputs.tag_name }}
            token: ${{ github.TOKEN }}
       
      
   release:
        name: Release
        needs: changelog
        runs-on: ubuntu-latest
    
        steps:
          - name: Checkout
            uses: actions/checkout@v2
          - name: Generate Release Notes
            run: echo "Release notes: ${{ needs.changelog.outputs.changelog }}"
          - name: Create Release
            uses: softprops/action-gh-release@v1
            with:
              token: ${{ github.TOKEN }}
              tag_name: ${{ github.event.inputs.tag_name }}
              prerelease: false
              draft: false
              #files: bin/*
              generate_release_notes: true
              name: ${{ github.event.inputs.tag_name }}
              body: |
                ## What's Changed
                ### abcd/ABCD
                https://github.com/Kaustubh-pande/scaffolding-microservice/releases/tags/${{ needs.fetch-tag.get_tag.outputs.old_tag_name }}
                ### xyz/XYZ
                ${{ needs.changelog.outputs.changelog }}