Handle possibly missing moby package in docker-outside-of-docker installation

Author: skatsubo

src/docker-in-docker/install.sh

@@ -309,7 +309,7 @@ else
         set -e    
 
         if [ ${exit_code} -ne 0 ]; then
-            err "Packages for moby not available in OS ${ID} ${VERSION_CODENAME} (${architecture}). To resolve, either: (1) set feature option '\"moby\": false' , or (2) choose a compatible OS version (eg: 'ubuntu-20.04')."
+            err "Packages for moby not available in OS ${ID} ${VERSION_CODENAME} (${architecture}). To resolve, either: (1) set feature option '\"moby\": false' , or (2) choose a compatible OS version (eg: 'ubuntu-24.04')."
             exit 1
         fi
 

src/docker-outside-of-docker/install.sh

@@ -305,7 +305,7 @@ else
         if [ "${INSTALL_DOCKER_BUILDX}" = "true" ]; then
             buildx=(moby-buildx${buildx_version_suffix})
         fi
-        apt-get -y install --no-install-recommends ${cli_package_name}${cli_version_suffix} "${buildx[@]}"
+        apt-get -y install --no-install-recommends ${cli_package_name}${cli_version_suffix} "${buildx[@]}" || { err "It seems packages for moby not available in OS ${ID} ${VERSION_CODENAME} (${architecture}). To resolve, either: (1) set feature option '\"moby\": false' , or (2) choose a compatible OS version (eg: 'ubuntu-24.04')." ; exit 1 ; }
         apt-get -y install --no-install-recommends moby-compose || echo "(*) Package moby-compose (Docker Compose v2) not available for OS ${ID} ${VERSION_CODENAME} (${architecture}). Skipping."
     else
         buildx=()