nightly_flutter_version.yml

name: Check Flutter Version

on:
  schedule:
    - cron: "0 0 * * *"

jobs:
  check-flutter-version:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Repo
        uses: actions/checkout@v4
        with:
          fetch-tags: "true"
          fetch-depth: 0
          ref: main

      - name: Get latest stable Flutter version
        id: flutter-action
        uses: subosito/flutter-action@v2
        with:
          channel: "stable"

      - name: Get versions
        id: get-versions
        run: |
          echo CURRENT_TAG=$(git describe --tags $(git rev-list --tags --max-count=1)) >> $GITHUB_OUTPUT
          echo LATEST_TAG=${{ steps.flutter-action.outputs.VERSION }} >> $GITHUB_OUTPUT

      - name: Compare versions
        id: compare-versions
        uses: madhead/semver-utils@latest
        with:
          version: ${{ steps.get-versions.outputs.LATEST_TAG }}
          compare-to: ${{ steps.get-versions.outputs.CURRENT_TAG }}

      - name: Update Dockerfile
        if: ${{ steps.compare-versions.outputs.comparison-result == '>' }}
        run: |
          echo Newer stable flutter version found
          echo "The version in this project is ${{ steps.get-versions.outputs.CURRENT_TAG }}"
          echo "Latest version is ${{ steps.get-versions.outputs.LATEST_TAG }} | Revision: $revision | Date: $date"
          sed -i "s/ENV FLUTTER_VERSION=.*/ENV FLUTTER_VERSION=\"${{ steps.get-versions.outputs.LATEST_TAG }}\"/" Dockerfile

      - name: Update README
        if: ${{ steps.compare-versions.outputs.comparison-result == '>' }}
        run: |
          framework_line=$(echo "$(flutter --version)" | grep "Framework")  
          revision=$(echo "$framework_line" | sed -E 's/.*revision ([^ ]+).*/\1/')
          date=$(echo "$framework_line" | sed -E 's/.*([0-9]{4})-([0-9]{2})-([0-9]{2}).*/\1-\2-\3/')
          sed -i "s@<a href=\"https://github.com/slashwhy/flutter-sdk-image/releases/tag/${{ steps.get-versions.outputs.CURRENT_TAG }}\"><img src=\"https://img.shields.io/badge/Current%20version-${{ steps.get-versions.outputs.CURRENT_TAG }}-blue.svg\"/></a>@<a href=\"https://github.com/slashwhy/flutter-sdk-image/releases/tag/${{ steps.get-versions.outputs.LATEST_TAG }}\"><img src=\"https://img.shields.io/badge/Current%20version-${{ steps.get-versions.outputs.LATEST_TAG }}-blue.svg\"/></a>@g" README.md
          sed -i "s/slashwhyorganization\/flutter-sdk-image:${{ steps.get-versions.outputs.CURRENT_TAG }}/slashwhyorganization\/flutter-sdk-image:${{ steps.get-versions.outputs.LATEST_TAG }}/g" README.md

      - name: Create Pull Request
        if: ${{ steps.compare-versions.outputs.comparison-result == '>' }}
        uses: peter-evans/create-pull-request@v7
        with:
          commit-message: Update to ${{ steps.get-versions.outputs.LATEST_TAG }}
          title: Update to ${{ steps.get-versions.outputs.LATEST_TAG }}
          body: |
            This PR was auto generated because a new Flutter version has been found
            - [ ] make sure to run the PR pipeline, you can do this by closing and opening this pull request again
          branch: feature/${{ steps.get-versions.outputs.LATEST_TAG }}