Avoid curl call on local builds

.gitlab-ci.yml

@@ -225,7 +225,7 @@ release:
         sed "/TEMPLATE_ROOTFS_FILE/d" Dockerfile.template > output/Dockerfile.${group}
         package_url=$(./ci/get-public-download-for-generic-package.sh ${group}-${BUILD_VERSION}.tar.xz)
         sed -i "s|TEMPLATE_ROOTFS_RELEASE_URL|https://gitlab.archlinux.org/archlinux/archlinux-docker/-/releases/v${BUILD_VERSION}|" output/Dockerfile.${group}
-        sed -i "s|TEMPLATE_ROOTFS_URL|${package_url}|" output/Dockerfile.${group}
+        sed -i "s|TEMPLATE_ROOTFS_DOWNLOAD|ROOTFS=\"\$(curl -sOJL -w \"%{filename_effective}\" \"${package_url}\")\"|" output/Dockerfile.${group}
         sed -i "s|TEMPLATE_ROOTFS_HASH|$(cat output/${group}.tar.xz.SHA256)|" output/Dockerfile.${group}
       done
     - >

Dockerfile.template

@@ -13,7 +13,7 @@ COPY TEMPLATE_ROOTFS_FILE /
 RUN apk add --no-cache curl bash
 SHELL ["/bin/bash", "-c"]
 # TEMPLATE_ROOTFS_RELEASE_URL
-RUN ROOTFS="$(curl -sOJL -w "%{filename_effective}" TEMPLATE_ROOTFS_URL)" && \
+RUN TEMPLATE_ROOTFS_DOWNLOAD && \
     sha256sum -c <<< "TEMPLATE_ROOTFS_HASH" && \
     mkdir /rootfs && \
     tar -C /rootfs --extract --file "${ROOTFS}"

Makefile

@@ -39,7 +39,7 @@ endef
 define dockerfile
 	sed -e "s|TEMPLATE_ROOTFS_FILE|$(1).tar.xz|" \
 	    -e "s|TEMPLATE_ROOTFS_RELEASE_URL|Local build|" \
-	    -e "s|TEMPLATE_ROOTFS_URL|file:///$(1).tar.xz|" \
+	    -e "s|TEMPLATE_ROOTFS_DOWNLOAD|ROOTFS=\"$(1).tar.xz\"|" \
 	    -e "s|TEMPLATE_ROOTFS_HASH|$$(cat $(OUTPUTDIR)/$(1).tar.xz.SHA256)|" \
 	    Dockerfile.template > $(OUTPUTDIR)/Dockerfile.$(1)
 endef