test cache

.github/workflows/build.yml

@@ -113,13 +113,6 @@ jobs:
     - uses: actions/checkout@v1
       with:
         submodules: recursive
-    - uses: jpribyl/[email protected]
-      if: "!startsWith(github.ref, 'refs/tags/v')"
-      continue-on-error: true
-      with:
-        key: docker-linux-static-{hash}
-        restore-keys: |
-          docker-linux-static-
     - name: install dependencies
       run: sudo apt -y install xvfb libxcb-icccm4 libxcb-image0 libxcb-keysyms1 libxcb-randr0 libxcb-render-util0 libxcb-xkb1 libxcb-shape0 libxkbcommon-x11-0
     - name: free up diskspace
@@ -128,34 +121,34 @@ jobs:
     #  run: docker build --target checkaptdebs --tag monero:checkaptdebs --file Dockerfile.linux .
     #- name: Verify Packages / pinned debs' md5sums
     #  run: docker build --target verifypackages --tag monero:verifypackages --file Dockerfile.linux .
-    - name: prepare build environment
-      run: docker build --tag monero:build-env-linux --build-arg THREADS=3 --file Dockerfile.linux .
-    - name: build 1st
-      run: docker run --rm -v /home/runner/work/monero-gui/monero-gui:/monero-gui -w /monero-gui monero:build-env-linux sh -c 'make release-static -j3 CXXFLAGS="-ffile-prefix-map=/monero-gui=."'
-    - name: Clean Build Directory
-      run: |
-        docker run --rm \
-          -v /home/runner/work/monero-gui/monero-gui:/monero-gui:noatime \
-          -w monero:build-env-linux \
-          sh -c 'make clean'
-
-    - name: Move
-      run: mv /home/runner/work/monero-gui/monero-gui/build/release/bin/monero-wallet-gui build1-monero-wallet-gui
+    - name: Calculate shared_functions.sh hash
+      id: shared_functions_hash
+      run: echo "hash=$(sha256sum shared_functions.sh | awk '{ print $1 }')" >> $GITHUB_OUTPUT
 
-    - name: build 2nd
-      run: docker run --rm -v /home/runner/work/monero-gui/monero-gui:/monero-gui -w /monero-gui monero:build-env-linux sh -c 'make release-static -j3 CXXFLAGS="-ffile-prefix-map=/monero-gui=."'
-
-    - name: Compare Builds with Diffoscope
-      run: |
-        sudo apt-get update && sudo apt-get install -y diffoscope
-        diffoscope --html-dir diffoscope-report build1-monero-wallet-gui  /home/runner/work/monero-gui/monero-gui/build/release/bin/monero-wallet-gui
-
-    - name: Archive Diffoscope Report
-      uses: actions/upload-artifact@v4
+    - uses: actions/cache@v3
+      id: docker_cache
       with:
-        name: diffoscope-report
-        path: diffoscope-report
+        path: /tmp/docker-image
+        key: ${{ runner.os }}-docker-${{ steps.shared_functions_hash.outputs.hash }}
 
+    - name: Load cached Docker image
+      if: steps.docker_cache.outputs.cache-hit == 'true'
+      run: docker load -i /tmp/docker-image/image.tar
+    - name: Build Docker image
+      run: |
+        if [[ "$(docker images -q monero:build-env-linux 2> /dev/null)" == "" ]]; then
+          echo "Building new image..."
+          docker build --tag monero:build-env-linux --build-arg SHARED_FUNCTIONS_HASH=${{ steps.shared_functions_hash.outputs.hash }} --file Dockerfile.linux .
+        else
+          echo "Using cached image..."
+        fi
+    - name: Save Docker image to cache
+      if: steps.docker_cache.outputs.cache-hit != 'true'
+      run: |
+        mkdir -p /tmp/docker-image
+        docker save monero:build-env-linux > /tmp/docker-image/image.tar
+    - name: build
+      run: docker run --rm -v /home/runner/work/monero-gui/monero-gui:/monero-gui -w /monero-gui monero:build-env-linux sh -c 'make release-static -j3 CXXFLAGS="-ffile-prefix-map=/monero-gui=."'
     - name: sha256sum
       run: shasum -a256 /home/runner/work/monero-gui/monero-gui/build/release/bin/monero-wallet-gui
     - name: test qml