version_bump.yaml

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

name: CI

# Controls when the workflow will run
on:
  # Triggers the workflow on push or pull request events but only for the master branch
  push:
    branches: [ master ]

  # Allows you to run this workflow manually from the Actions tab
  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:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.sha }}
      # Runs a single command using the runners shell
      - name: Run a one-line script
        run: echo Hello, world!

      # Runs a set of commands using the runners shell
      - name: Run a multi-line script
        run: |
          echo $PWD

          # PULL
          git config user.name github-actions
          git config user.email github-actions@github.com
          git pull origin HEAD:${{ github.event.pull_request.head.sha }} --rebase

          # MODIFY BUILD NUMBER
          export CURRENT_BUILD_NUMBER=$(grep BuildNumber version.go | awk -F= '{print $2}' | cut -d'"' -f 2-2 )
          export CHANGE_BUILD_NUMBER=$(( $CURRENT_BUILD_NUMBER  + 1 ))

          # GET CURRENT BUILD VERSION
          export CURRENT_BUILD_VERSION=$(grep BuildVersion version.go | awk -F= '{print $2}' | cut -d'"' -f 2-2 )

          # SPLIT BUILD VERSION
          export PR_CHANGE_BUILD_VERION=$(echo $CURRENT_BUILD_VERSION | awk -F. '{print $3}' ) 
          export OLD_BUILD_VERION_PART=$(echo $CURRENT_BUILD_VERSION | awk -F. '{print $1"."$2}')

          # UPDATE BUILD VERSION
          export CHANGE_BUILD_VERSION=$OLD_BUILD_VERION_PART.$(( $PR_CHANGE_BUILD_VERION + 1 ))

          # INIT DATE
          export CURRENT_BUILD_TIME=$(date)

          # UPDATE
          perl -0777 -i -pe "s/BuildVersion.*string = \".*\"/BuildVersion string = \"$CHANGE_BUILD_VERSION\"/g" version.go
          perl -0777 -i -pe "s/BuildTime.*string = \".*\"/BuildTime    string = \"$CURRENT_BUILD_TIME\"/g" version.go
          perl -0777 -i -pe "s/BuildNumber.*string = \".*\"/BuildNumber     string = \"$CHANGE_BUILD_NUMBER\"/g" version.go
         
          # GIT
          git add .
          git commit -m "Automatic version bump from GitHub Action at: `date` $CHANGE_BUILD_VERSION"
          git tag -a $CHANGE_BUILD_VERSION -m "Automatic release version number: $CHANGE_BUILD_NUMBER. Automatic build number: $CHANGE_BUILD_VERSION. Build date: $CURRENT_BUILD_TIME"
          # PUSH
          git push origin HEAD:master
          git push origin HEAD:$CHANGE_BUILD_VERSION