From 568f425ef75365d5a0f8a23b898cc7f035bad5d1 Mon Sep 17 00:00:00 2001
From: cschlaefke <schlaefke.chris@gmail.com>
Date: Mon, 2 Nov 2026 20:24:50 +0100
Subject: [PATCH] ci: install pinned Flutter SDK from git tag instead of
 missing image

Refs #31

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
---
 .forgejo/workflows/ci.yml | 58 +++++++++++++++++++++++++++++++++++----
 1 file changed, 52 insertions(+), 6 deletions(-)

diff --git a/.forgejo/workflows/ci.yml b/.forgejo/workflows/ci.yml
index 4600444..77cb8ee 100644
--- a/.forgejo/workflows/ci.yml
+++ b/.forgejo/workflows/ci.yml
@@ -9,6 +9,10 @@ on:
 
 env:
   SUPABASE_CLI_VERSION: 3.0.0
+  # Einzige Stelle für die Flutter-Version (= lokale Version, Dart 3.13.7; muss zu app/pubspec.yaml passen).
+  # Muss ein existierendes Tag in github.com/flutter/flutter sein. Ein Cirrus-Image mit dieser Version gibt es nicht.
+  FLUTTER_VERSION: 3.47.9
+  FLUTTER_HOME: /opt/flutter
 
 jobs:
   # Format, Analyse, Tests. Generierte Dateien (*.g.dart, gen-l10n) sind eingecheckt und
@@ -16,7 +20,7 @@ jobs:
   flutter:
     runs-on: docker
     container:
-      image: ghcr.io/cirruslabs/flutter:3.47.9   # = lokale Flutter-Version (Dart 3.13.7); in beiden Jobs gleich halten
+      image: node:22.12-bookworm   # gepinnt; enthält git, curl, unzip, xz und Node (für JS-Actions)
     env:
       PUB_CACHE: ${{ github.workspace }}/.pub-cache
     defaults:
@@ -25,12 +29,33 @@ jobs:
     steps:
       - uses: https://code.forgejo.org/actions/checkout@v4
 
+      - name: Flutter-SDK-Cache
+        id: flutter-cache
+        uses: https://code.forgejo.org/actions/cache@v4
+        with:
+          path: ${{ env.FLUTTER_HOME }}
+          key: flutter-${{ env.FLUTTER_VERSION }}-node22.12-bookworm
+
+      - name: Flutter installieren
+        run: |
+          if [ ! -x "$FLUTTER_HOME/bin/flutter" ]; then
+            rm -rf "$FLUTTER_HOME"
+            git clone --depth 1 --branch "$FLUTTER_VERSION" https://github.com/flutter/flutter.git "$FLUTTER_HOME"
+          fi
+          echo "$FLUTTER_HOME/bin" >> "$GITHUB_PATH"
+          export PATH="$FLUTTER_HOME/bin:$PATH"
+          export CI=true
+          flutter config --no-analytics --enable-web
+          flutter --version
+          flutter precache --web
+        working-directory: .
+
       - name: Pub-Cache
         uses: https://code.forgejo.org/actions/cache@v4
         with:
           path: ${{ github.workspace }}/.pub-cache
-          key: pub-${{ hashFiles('app/pubspec.lock') }}
-          restore-keys: pub-
+          key: pub-${{ env.FLUTTER_VERSION }}-${{ hashFiles('app/pubspec.lock') }}
+          restore-keys: pub-${{ env.FLUTTER_VERSION }}-
 
       - name: Abhängigkeiten (erzeugt auch gen-l10n)
         run: flutter pub get
@@ -61,7 +86,7 @@ jobs:
   web-build:
     runs-on: docker
     container:
-      image: ghcr.io/cirruslabs/flutter:3.47.9
+      image: node:22.12-bookworm   # gepinnt; enthält git, curl, unzip, xz und Node (für JS-Actions)
     env:
       PUB_CACHE: ${{ github.workspace }}/.pub-cache
     defaults:
@@ -70,12 +95,33 @@ jobs:
     steps:
       - uses: https://code.forgejo.org/actions/checkout@v4
 
+      - name: Flutter-SDK-Cache
+        id: flutter-cache
+        uses: https://code.forgejo.org/actions/cache@v4
+        with:
+          path: ${{ env.FLUTTER_HOME }}
+          key: flutter-${{ env.FLUTTER_VERSION }}-node22.12-bookworm
+
+      - name: Flutter installieren
+        run: |
+          if [ ! -x "$FLUTTER_HOME/bin/flutter" ]; then
+            rm -rf "$FLUTTER_HOME"
+            git clone --depth 1 --branch "$FLUTTER_VERSION" https://github.com/flutter/flutter.git "$FLUTTER_HOME"
+          fi
+          echo "$FLUTTER_HOME/bin" >> "$GITHUB_PATH"
+          export PATH="$FLUTTER_HOME/bin:$PATH"
+          export CI=true
+          flutter config --no-analytics --enable-web
+          flutter --version
+          flutter precache --web
+        working-directory: .
+
       - name: Pub-Cache
         uses: https://code.forgejo.org/actions/cache@v4
         with:
           path: ${{ github.workspace }}/.pub-cache
-          key: pub-${{ hashFiles('app/pubspec.lock') }}
-          restore-keys: pub-
+          key: pub-${{ env.FLUTTER_VERSION }}-${{ hashFiles('app/pubspec.lock') }}
+          restore-keys: pub-${{ env.FLUTTER_VERSION }}-
 
       - name: Abhängigkeiten
         run: flutter pub get