Remove apt-cache clean call

.github/workflows/build-image.yaml

@@ -28,3 +28,10 @@ jobs:
           prerelease: true
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Upload image to artifacts
+        if: ${{ github.event_name == 'workflow_dispatch' }}
+        uses: actions/upload-artifact@v3
+        with:
+          name: image
+          path: images/clover_*.zip
+          retention-days: 1

builder/image-init.sh

@@ -58,4 +58,7 @@ sed -i 's/#SystemMaxUse=/SystemMaxUse=200M/' /etc/systemd/journald.conf
 echo_stamp "Move /etc/ld.so.preload out of the way"
 mv /etc/ld.so.preload /etc/ld.so.preload.disabled-for-build
 
+echo_stamp "Setup apt so it store all the downloaded packages"
+echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' > /etc/apt/apt.conf.d/02keep-debs
+
 echo_stamp "End of init image"

builder/image-ros.sh

@@ -184,7 +184,7 @@ EOF
 # Restore original sources.list
 #mv /var/sources.list.bak /etc/apt/sources.list
 # Clean apt cache
-apt-get clean -qq > /dev/null
+# apt-get clean -qq > /dev/null
 # Remove local mirror repository key
 #apt-key del COEX-MIRROR