Fix CI

Author: diffstorm

.github/workflows/ci.yml

@@ -9,19 +9,63 @@ on:
       - main
 
 jobs:
-  
-
-  build-qt5:
+  install-qt5:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
       uses: actions/checkout@v3
 
+    - name: Cache Qt5 installations
+      id: cache-qt5
+      uses: actions/cache@v3
+      with:
+        path: | 
+          /usr/local/Qt/5*
+          /opt/Qt/5*
+        key: ${{ runner.os }}-qt5-deps-${{ hashFiles('CMakeLists.txt') }}
+
     - name: Install Qt5 dependencies
+      if: steps.cache-qt5.outputs.cache-hit != 'true'
       run: |
         sudo apt-get update
         sudo apt-get install -y build-essential cmake qtcreator qtbase5-dev libqt5serialport5 libqt5serialport5-dev
 
+  install-qt6:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Cache Qt6 installations
+      id: cache-qt6
+      uses: actions/cache@v3
+      with:
+        path: | 
+          /usr/local/Qt/6*
+          /opt/Qt/6*
+        key: ${{ runner.os }}-qt6-deps-${{ hashFiles('CMakeLists.txt') }}
+
+    - name: Install Qt6 dependencies
+      if: steps.cache-qt6.outputs.cache-hit != 'true'
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y build-essential cmake qtcreator qt6-base-dev qt6-declarative-dev qt6-serialport-dev
+
+  build-qt5:
+    runs-on: ubuntu-latest
+    needs: install-qt5
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    - name: Restore Qt5 installations from cache
+      uses: actions/cache@v3
+      with:
+        path: | 
+          /usr/local/Qt/5*
+          /opt/Qt/5*
+        key: ${{ runner.os }}-qt5-deps-${{ hashFiles('CMakeLists.txt') }}
+
     - name: Configure CMake for Qt5
       run: cmake -B build_qt5 -DQT_VERSION=5
 
@@ -57,7 +101,7 @@ jobs:
         sudo apt-get install -y libqt5core5a libqt5gui5 libqt5network5 libqt5serialport5 libqt5widgets5 python3
 
     - name: Download Qt5 build artifacts
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: qt5-build-artifacts
 
@@ -87,14 +131,18 @@ jobs:
 
   build-qt6:
     runs-on: ubuntu-latest
+    needs: install-qt6
     steps:
     - name: Checkout repository
       uses: actions/checkout@v3
 
-    - name: Install Qt6 dependencies
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y build-essential cmake qtcreator qt6-base-dev qt6-declarative-dev qt6-serialport-dev
+    - name: Restore Qt6 installations from cache
+      uses: actions/cache@v3
+      with:
+        path: | 
+          /usr/local/Qt/6*
+          /opt/Qt/6*
+        key: ${{ runner.os }}-qt6-deps-${{ hashFiles('CMakeLists.txt') }}
 
     - name: Configure CMake for Qt6
       run: cmake -B build_qt6 -DQT_VERSION=6
@@ -131,7 +179,7 @@ jobs:
         sudo apt-get install -y libqt6core6 libqt6gui6 libqt6network6 libqt6serialport6 libqt6widgets6 python3
 
     - name: Download Qt6 build artifacts
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: qt6-build-artifacts
 
@@ -157,4 +205,4 @@ jobs:
         sleep 2 # Give the server time to start
         python3 test_tcp.py
         killall qCommTest || true
-      working-directory: ${{ github.workspace }}
+      working-directory: ${{ github.workspace }}