Update build_iso.yml

.github/workflows/build_iso.yml

@@ -56,6 +56,49 @@ jobs:
           fi
           echo "extra-boot-params=${EXTRA_BOOT_PARAMS}" >> $GITHUB_OUTPUT
 
+      - name: Set Flatpaks Directory Shortname
+        id: generate-flatpak-dir-shortname
+        shell: bash
+        run: |
+          FLATPAK_DIR_SHORTNAME="scripts/kde_flatpaks"
+
+          if [[ "${{ matrix.image_name }}" =~ "gnome" ]]; then
+            FLATPAK_DIR_SHORTNAME="scripts/gnome_flatpaks"
+          fi
+
+          echo "flatpak-dir-shortname=${FLATPAK_DIR_SHORTNAME}" >> $GITHUB_OUTPUT
+
+      - name: Determine Flatpak Dependencies
+        id: flatpak_dependencies
+        shell: bash
+        run: |
+          set -ex
+          image="ghcr.io/ublue-os/${{ matrix.image_name }}:${{ steps.generate-tag.outputs.tag }}"
+          # Make temp space
+          TEMP_FLATPAK_INSTALL_DIR=$(mktemp -d -p ${{ github.workspace }} flatpak.XXX)
+          # Get list of refs from directory
+          FLATPAK_REFS_DIR=${{ github.workspace }}/${{ steps.generate-flatpak-dir-shortname.outputs.flatpak-dir-shortname }}
+          FLATPAK_REFS_DIR_LIST=$(cat ${FLATPAK_REFS_DIR}/* | tr '\n' ' ' )
+          # Generate install script
+          cat << EOF > ${TEMP_FLATPAK_INSTALL_DIR}/script.sh
+          cat /temp_flatpak_install_dir/script.sh
+          mkdir -p /flatpak/flatpak /flatpak/triggers
+          mkdir /var/tmp || true
+          chmod -R 1777 /var/tmp
+          flatpak config --system --set languages "*"
+          flatpak remote-add --system flathub https://flathub.org/repo/flathub.flatpakrepo
+          flatpak install --system -y ${FLATPAK_REFS_DIR_LIST}
+          ostree refs --repo=\${FLATPAK_SYSTEM_DIR}/repo | grep '^deploy/' | grep -v 'org\.freedesktop\.Platform\.openh264' | sed 's/^deploy\///g' > /output/flatpaks_with_deps
+          EOF
+          docker run --rm --privileged \
+            --entrypoint bash \
+            -e FLATPAK_SYSTEM_DIR=/flatpak/flatpak \
+            -e FLATPAK_TRIGGERSDIR=/flatpak/triggers \
+            --volume ${FLATPAK_REFS_DIR}:/output \
+            --volume ${TEMP_FLATPAK_INSTALL_DIR}:/temp_flatpak_install_dir \
+            ${image} /temp_flatpak_install_dir/script.sh
+          docker rmi ${image}
+
       - name: Build ISOs
         uses: jasonn3/build-container-installer@v1.2.0
         id: build
@@ -71,6 +114,8 @@ jobs:
           iso_name: ${{ matrix.image_name }}-${{ steps.generate-tag.outputs.tag }}.iso
           enable_cache_dnf: "false"
           enable_cache_skopeo: "false"
+          flatpak_remote_refs_dir: ${{ steps.generate-flatpak-dir-shortname.outputs.flatpak-dir-shortname }}
+          enable_flatpak_dependencies: "false"
           extra_boot_params: ${{ steps.generate-extra-params.outputs.extra-boot-params }}
 
       - name: Move ISOs to Upload Directory