release.yaml

name: Helm Release

permissions:
  contents: write
  packages: write

on:
  push:
    branches:
      - main
    paths:
      - 'charts/**/Chart.yaml'   # adapte si ton chart est ailleurs

jobs:
  release:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repo
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Get previous commit
        run: echo "PREV_SHA=$(git rev-parse HEAD^)" >> $GITHUB_ENV

      - name: Detect version change
        id: check
        run: |
          if git diff $PREV_SHA HEAD -- charts/**/Chart.yaml | grep '^+version:'; then
            echo "changed=true" >> $GITHUB_OUTPUT
          else
            echo "changed=false" >> $GITHUB_OUTPUT
          fi

      - name: Extract new version
        if: steps.check.outputs.changed == 'true'
        id: version
        run: |
          version=$(grep '^version:' charts/**/Chart.yaml | awk '{print $2}')
          echo "version=$version" >> $GITHUB_OUTPUT

      - name: Create and push tag
        if: steps.check.outputs.changed == 'true'
        run: |
          git config user.name "github-actions"
          git config user.email "github-actions@github.com"
          tag="v${{ steps.version.outputs.version }}"
          git tag "$tag"
          git push origin "$tag"

      - name: Run release steps
        if: steps.check.outputs.changed == 'true'
        run: |
          echo "🚀 Releasing version v${{ steps.version.outputs.version }}"

      - name: Login to GitHub Container Registry
        if: steps.check.outputs.changed == 'true'
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Run chart-releaser
        if: steps.check.outputs.changed == 'true'
        uses: helm/chart-releaser-action@v1.7.0
        env:
          CR_TOKEN: "${{ secrets.GITHUB_TOKEN }}"