[WIP] ci: Drop micromamba and instead use freecad appimages

Author: Rahix

.github/workflows/tests.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        freecad: ["1.0.*", "1.1.*"]
+        freecad: ["1.0.2", "1.1.1"]
 
     defaults:
       run:
@@ -25,11 +25,24 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v7
 
-      - name: Install FreeCAD ${{ matrix.freecad }}
-        uses: mamba-org/setup-micromamba@v3
+      - name: Cache FreeCAD executables
+        id: cache-freecad
+        uses: actions/cache@v6
         with:
-          environment-name: freecad-ci
-          create-args: freecad=${{ matrix.freecad }}
+          path: FreeCAD.AppImage
+          key: freecad-cache-${{ matrix.freecad }}
+
+      - name: Download FreeCAD 1.1.1 AppImage
+        if: steps.cache-freecad.outputs.cache-hit != 'true' && matrix.freecad == '1.1.1'
+        run: |
+          curl -o FreeCAD.AppImage https://github.com/FreeCAD/FreeCAD/releases/download/1.1.1/FreeCAD_1.1.1-Linux-x86_64-py311.AppImage
+          chmod +x FreeCAD.AppImage
+
+      - name: Download FreeCAD 1.0.2 AppImage
+        if: steps.cache-freecad.outputs.cache-hit != 'true' && matrix.freecad == '1.0.2'
+        run: |
+          curl -o FreeCAD.AppImage https://github.com/FreeCAD/FreeCAD/releases/download/1.0.2/FreeCAD_1.0.2-conda-Linux-x86_64-py311.AppImage
+          chmod +x FreeCAD.AppImage
 
       - name: Install virtual display
         run: sudo apt-get update && sudo apt-get install --yes xvfb
@@ -44,9 +57,7 @@ jobs:
           git clone https://github.com/Rahix/ffDesign_TestData.git "$GITHUB_WORKSPACE/ffDesign_TestData"
 
       - name: Run FreeCAD tests
-        shell: micromamba-shell {0}
         run: |
           set -o pipefail
-          freecad_executable="$(command -v FreeCAD || command -v freecad)"
-          xvfb-run -a "$freecad_executable" -t ffDesign_Tests 2>&1 | tee freecad-tests.log
+          xvfb-run -a ./FreeCAD.AppImage -t ffDesign_Tests 2>&1 | tee freecad-tests.log
           ! grep -q "Traceback (most recent call last)" freecad-tests.log