Automatically determine Flatpak dependencies (#86)

Co-authored-by: Noel Miller <noelmiller@protonmail.com>

.github/workflows/build_container.yml

@@ -12,9 +12,8 @@ jobs:
   build-container:
     if: >
       github.event_name == 'push' ||
-      github.event_name == 'issue_comment' ||
+      github.event_name == 'issue_comment'  ||
-      ( github.event_name == 'pull_request' &&
+      github.event_name == 'workflow_dispatch'
-        contains(github.event.pull_request.labels.*.name, 'auto-test') )
     name: Build Container Image
     env:
       JOB_NAME: Build Container Image

.github/workflows/build_iso.yml

@@ -81,6 +81,22 @@ jobs:
           sha: ${{ env.sha }}
           targetUrl: ${{ steps.jobs.outputs.html_url }}
 
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/free-disk-space@main
+        with:
+          # this might remove tools that are actually needed,
+          # if set to "true" but frees about 6 GB
+          tool-cache: false
+          
+          # all of these default to true, but feel free to set to
+          # "false" if necessary for your workflow
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          docker-images: true
+          swap-storage: true
+
       - name: Lowercase Registry
         id: registry_case
         uses: ASzc/change-string-case-action@v6

.gitignore

@@ -11,4 +11,4 @@
 /lorax.conf
 /output
 /*.log
-
+/cache

Makefile

@@ -17,6 +17,7 @@ FLATPAK_REMOTE_NAME = flathub
 FLATPAK_REMOTE_URL = https://flathub.org/repo/flathub.flatpakrepo
 FLATPAK_REMOTE_REFS =
 FLATPAK_REMOTE_REFS_DIR =
+FLATPAK_DIR =
 # Secure boot
 ENROLLMENT_PASSWORD =
 SECURE_BOOT_KEY_URL =
@@ -121,6 +122,13 @@ _LORAX_TEMPLATES += $(call get_templates,cache)
 _TEMPLATE_VARS   += DNF_CACHE
 endif
 
+ifneq ($(FLATPAK_DIR),)
+_FLATPAK_REPO_GPG = $(shell curl -L $(FLATPAK_REMOTE_URL) | grep -i '^GPGKey=' | cut -d= -f2)
+_FLATPAK_REPO_URL = $(shell curl -L $(FLATPAK_REMOTE_URL) | grep -i '^URL=' | cut -d= -f2)
+_LORAX_ARGS      += -i flatpak-libs
+_LORAX_TEMPLATES += $(call get_templates,flatpak)
+_TEMPLATE_VARS   += FLATPAK_DIR FLATPAK_REMOTE_NAME FLATPAK_REMOTE_REFS FLATPAK_REMOTE_URL _FLATPAK_REPO_GPG _FLATPAK_REPO_URL
+else
 ifneq ($(FLATPAK_REMOTE_REFS_DIR),)
 COLLECTED_REFS = $(foreach file,$(shell ls $(FLATPAK_REMOTE_REFS_DIR)/*),$(shell cat $(file)))
 FLATPAK_REMOTE_REFS += $(sort $(COLLECTED_REFS))
@@ -132,9 +140,10 @@ _FLATPAK_REPO_URL = $(shell curl -L $(FLATPAK_REMOTE_URL) | grep -i '^URL=' | cu
 _LORAX_ARGS      += -i flatpak-libs
 _LORAX_TEMPLATES += $(call get_templates,flatpak) \
 					external/fedora-lorax-templates/ostree-based-installer/lorax-embed-flatpaks.tmpl
-_TEMPLATE_VARS   += FLATPAK_REMOTE_NAME FLATPAK_REMOTE_REFS FLATPAK_REMOTE_URL _FLATPAK_REPO_GPG _FLATPAK_REPO_URL
+_TEMPLATE_VARS   += FLATPAK_DIR FLATPAK_REMOTE_NAME FLATPAK_REMOTE_REFS FLATPAK_REMOTE_URL _FLATPAK_REPO_GPG _FLATPAK_REPO_URL
-
 endif
+endif
+
 
 ifneq ($(SECURE_BOOT_KEY_URL),)
 _LORAX_TEMPLATES += $(call get_templates,secureboot)
@@ -200,7 +209,7 @@ container/$(IMAGE_NAME)-$(IMAGE_TAG):
 xorriso/%.sh: xorriso/%.sh.in
 	sed -i 's/quiet/quiet $(EXTRA_BOOT_PARAMS)/g' results/boot/grub2/grub.cfg
 	sed -i 's/quiet/quiet $(EXTRA_BOOT_PARAMS)/g' results/EFI/BOOT/grub.cfg
-	$(eval _VARS = IMAGE_NAME IMAGE_TAG ARCH VERSION)
+	$(eval _VARS = FLATPAK_DIR IMAGE_NAME IMAGE_TAG ARCH VERSION)
 	$(foreach var,$(_VARS),$(var)=$($(var))) envsubst '$(foreach var,$(_VARS),$$$(var))' < $(_BASE_DIR)/xorriso/$*.sh.in > $(_BASE_DIR)/xorriso/$*.sh 
 
 # Step 6: Generate xorriso input

action.yml

@@ -24,6 +24,10 @@ inputs:
     description: Whether to enable caching for skopeo
     required: false
     default: "false"
+  enable_flatpak_dependencies:
+    description: Whether to enable automatically determining Flatpak dependencies
+    required: false
+    default: "true"
   enrollment_password:
     description: Used for supporting secure boot (requires secure_boot_key_url to be defined)
     required: false
@@ -130,6 +134,42 @@ runs:
         mkdir /cache/dnf_new || true
         mkdir /cache/skopeo || true
 
+    - name: Determine Flatpak dependencies
+      if: inputs.enable_flatpak_dependencies == 'true'
+      id: flatpak_dependencies
+      shell: bash
+      run: |
+        image="${{ inputs.image_repo }}/${{ inputs.image_name }}:${{ inputs.image_tag }}"
+        # Make temp space
+        FLATPAK_DIR=$(basename $(mktemp -d -p ${{ github.workspace }} flatpak.XXX))
+        # Get list of refs from directory
+        sudo mkdir /github || true
+        sudo ln -s ${{ github.workspace }} /github/workspace
+        DIR_REFS=$(cat ${{ inputs.flatpak_remote_refs_dir }}/* | tr '\n' ' ' )
+        # Generate install script
+        cat << EOF > ${{ github.workspace }}/${FLATPAK_DIR}/script.sh
+        cat /flatpak_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 ${{ inputs.flatpak_remote_name }} ${{ inputs.flatpak_remote_url }}
+        flatpak install --system -y ${{ inputs.flatpak_remote_refs }} ${DIR_REFS}
+        ostree init --repo=/flatpak_dir/repo --mode=archive-z2
+        for i in \$(ostree refs --repo=\${FLATPAK_SYSTEM_DIR}/repo | grep '^deploy/' | sed 's/^deploy\///g')
+        do
+        echo "Copying \${i}..."
+        ostree --repo=/flatpak_dir/repo pull-local \${FLATPAK_SYSTEM_DIR}/repo \$(ostree --repo=\${FLATPAK_SYSTEM_DIR}/repo rev-parse ${{ inputs.flatpak_remote_name }}/\${i})
+        mkdir -p \$(dirname /flatpak_dir/repo/refs/heads/\${i})
+        ostree --repo=\${FLATPAK_SYSTEM_DIR}/repo rev-parse ${{ inputs.flatpak_remote_name }}/\${i} > /flatpak_dir/repo/refs/heads/\${i}
+        done
+        flatpak build-update-repo /flatpak_dir/repo
+        ostree refs --repo=/flatpak_dir/repo
+        EOF
+        docker run --rm --privileged --entrypoint bash -e FLATPAK_SYSTEM_DIR=/flatpak/flatpak -e FLATPAK_TRIGGERSDIR=/flatpak/triggers --volume ${{ github.workspace }}/${FLATPAK_DIR}:/flatpak_dir ${image} /flatpak_dir/script.sh
+        echo "flatpak_dir=${FLATPAK_DIR}" >> $GITHUB_OUTPUT
+        docker rmi ${image}
+
     - name: Run docker image
       env:
         ACTION_REPO: ${{ github.action_repository }}
@@ -183,6 +223,7 @@ runs:
           FLATPAK_REMOTE_NAME="${{ inputs.flatpak_remote_name }}" \
           ${vars} \
           FLATPAK_REMOTE_URL="${{ inputs.flatpak_remote_url }}" \
+          FLATPAK_DIR="${{ steps.flatpak_dependencies.outputs.flatpak_dir && format('/github/workspace/{0}', steps.flatpak_dependencies.outputs.flatpak_dir) || '' }}" \
           IMAGE_NAME="${{ inputs.image_name }}" \
           IMAGE_REPO="${{ inputs.image_repo }}" \
           IMAGE_TAG="${{ inputs.image_tag || inputs.version }}" \

flatpak_refs/Firefox

@@ -1,5 +1 @@
 app/org.mozilla.firefox/x86_64/stable
-
-runtime/org.mozilla.firefox.Locale/x86_64/stable
-runtime/org.freedesktop.Platform/x86_64/23.08
-runtime/org.freedesktop.Platform.Locale/x86_64/23.08

flatpak_refs/VLC

@@ -1,2 +1 @@
 app/org.videolan.VLC/x86_64/stable
-runtime/org.kde.Platform/x86_64/5.15-23.08

lorax_templates/flatpak_link.tmpl

@@ -0,0 +1,5 @@
+<%page args="flatpak_dir"/>
+
+%if flatpak_dir != "":
+symlink /run/install/repo/flatpak /flatpak
+%endif

xorriso/gen_input.sh.in

@@ -10,6 +10,17 @@ echo "-chmod 0444 boot/grub2/grub.cfg"
 echo "-map $(pwd)/results/EFI/BOOT/grub.cfg EFI/BOOT/grub.cfg"
 echo "-chmod 0444 EFI/BOOT/grub.cfg"
 
+if [[ -n "${FLATPAK_DIR}" ]]
+then
+    pushd ${FLATPAK_DIR} > /dev/null
+    for file in $(find *)
+    do
+        echo "-map $(pwd)/${file} flatpak/${file}"
+        echo "-chmod 0444 flatpak/${file}"
+    done
+    popd > /dev/null
+fi
+
 if [ -f $(pwd)/sb_pubkey.der ]
 then
 	echo "-map $(pwd)/sb_pubkey.der sb_pubkey.der"