version-bump.yml

name: Version Bump
# Bump the current version following Semver MAJOR.MINOR.PATCH
# Update PATCH number with every commit
on:
  push:
    branches: [main]
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  version-bump:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout Code
        uses: actions/checkout@v4

      - name: Increment Version
        id: increment_version
        run: |
          VERSION=$(cat VERSION)
    
          MAJOR=$(echo "$VERSION" | cut -d. -f1)
          MINOR=$(echo "$VERSION" | cut -d. -f2)
          PATCH=$(echo "$VERSION" | cut -d. -f3)

          NEW_PATCH=$((PATCH + 1))
          NEW_VERSION="$MAJOR.$MINOR.$NEW_PATCH"

          # Update the VERSION file
          echo "$NEW_VERSION" > VERSION
          echo "NEW_VERSION=$(cat NEW_VERSION)" >> "$GITHUB_ENV"
          
          # Update Version in mix.exs
          sed -i 's/$VERSION/$NEW_VERSION/g' tololo/mix.exs

      - name: Commit Updated Version
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add VERSION
          git add tololo/mix.exs
          git commit -m "Bump version to $NEW_VERSION"
          git push --force