🐳 chore(build): add image data about the latest and stable version

It works similarly to builds.yml from uBlue-OS - it adds the timestamp and latest tag only to the latest and stable system image compilations.

.github/workflows/build.yml

@@ -56,6 +56,8 @@ jobs:
           echo "IMAGE_DESCRIPTION=$(yq '.description' ./config/${{ matrix.recipe }})" >> $GITHUB_ENV
           echo "IMAGE_MAJOR_VERSION=$(yq '.image-version' ./config/${{ matrix.recipe }})" >> $GITHUB_ENV
           echo "BASE_IMAGE_URL=$(yq '.base-image' ./config/${{ matrix.recipe }})" >> $GITHUB_ENV
+          echo "IS_LATEST_VERSION=$(yq '.is_latest_version' ./config/${{ matrix.recipe }})" >> $GITHUB_ENV
+          echo "IS_STABLE_VERSION=$(yq '.is_stable_version' ./config/${{ matrix.recipe }})" >> $GITHUB_ENV
 
       - name: Get current version
         id: labels
@@ -83,8 +85,11 @@ jobs:
           BUILD_TAGS=("${MAJOR_VERSION}" "${MAJOR_VERSION:+$MAJOR_VERSION-}${TIMESTAMP}")
           # --
 
-          BUILD_TAGS+=("${TIMESTAMP}")
-          BUILD_TAGS+=("latest")
+          if [[ "${{ env.IS_LATEST_VERSION }}" == "true" ]] && \
+             [[ "${{ env.IS_STABLE_VERSION }}" == "true" ]]; then
+              BUILD_TAGS+=("${TIMESTAMP}")
+              BUILD_TAGS+=("latest")
+          fi
 
           if [[ "${{ github.event_name }}" == "pull_request" ]]; then
               echo "Generated the following commit tags: "

config/silverflow-nvidia-39.yml

@@ -2,6 +2,8 @@ name: silverflow-nvidia
 description: My personal OS image (based on silverblue-nvidia from uBlue OS)
 base-image: ghcr.io/ublue-os/silverblue-nvidia
 image-version: 39
+is_latest_version: true
+is_stable_version: false
 
 modules:
   - from-file: common-modules-39.yml

config/silverflow-nvidia.yml

@@ -2,6 +2,8 @@ name: silverflow-nvidia
 description: My personal OS image (based on silverblue-nvidia from uBlue OS)
 base-image: ghcr.io/ublue-os/silverblue-nvidia
 image-version: 38
+is_latest_version: true
+is_stable_version: true
 
 modules:
   - from-file: common-modules.yml