contrib/rootfs-builder: update Gentoo URLs

Since December 2017, Gentoo has a "systemd" profile and the old URLs
don't work anymore.

See:
https://www.gentoo.org/support/news-items/2017-12-26-experimental-amd64-17-1-profiles.html

Signed-off-by: Alban Crequy <[email protected]>

Author: alban

contrib/rootfs-builder/Makefile

@@ -6,15 +6,15 @@ rootfs-%.tar.gz: rootfs/%/bin/echo
 	tar -czf $@ -C rootfs/$* .
 
 .PRECIOUS: rootfs/%/bin/busybox
-rootfs/%/bin/busybox: downloads/stage3-%-current.tar.bz2 rootfs-files
+rootfs/%/bin/busybox: downloads/stage3-%-systemd-current.tar.bz2 rootfs-files
 	gpg --verify $<.DIGESTS.asc
 	(cd downloads && \
-		grep -A1 '^# SHA512 HASH' stage3-$*-current.tar.bz2.DIGESTS.asc | \
+		grep -A1 '^# SHA512 HASH' stage3-$*-systemd-current.tar.bz2.DIGESTS.asc | \
 		grep -v '^--' | \
 		sha512sum -c)
 	sudo rm -rf rootfs/$*
 	sudo mkdir -p rootfs/$*
-	sudo tar -xvf downloads/stage3-$*-current.tar.bz2 -C rootfs/$* \
+	sudo tar -xvf downloads/stage3-$*-systemd-current.tar.bz2 -C rootfs/$* \
 		--no-recursion --wildcards $$(< rootfs-files)
 	sudo touch $@
 
@@ -24,7 +24,7 @@ rootfs/%/bin/echo: rootfs/%/bin/busybox
 		test -L "rootfs/$*/bin/$${COMMAND}" || ln -rs $< "rootfs/$*/bin/$${COMMAND}" || exit; \
 	done'
 
-downloads/stage3-%-current.tar.bz2: get-stage3.sh
+downloads/stage3-%-systemd-current.tar.bz2: get-stage3.sh
 	STAGE3_ARCH=$* ./$<
 	touch downloads/stage3-$*-*.tar.bz2
 

contrib/rootfs-builder/get-stage3.sh

@@ -39,9 +39,9 @@ fi
 
 BASE_ARCH_URL="${BASE_ARCH_URL:-${MIRROR}releases/${BASE_ARCH}/autobuilds/}"
 LATEST=$(wget -O - "${BASE_ARCH_URL}latest-stage3.txt")
-DATE=$(echo "${LATEST}" | sed -n "s|/stage3-${STAGE3_ARCH}-[0-9]*[.]tar[.]bz2.*||p")
-ARCH_URL="${ARCH_URL:-${BASE_ARCH_URL}${DATE}/}"
-STAGE3="${STAGE3:-stage3-${STAGE3_ARCH}-${DATE}.tar.bz2}"
+DATE=$(echo "${LATEST}" | sed -n "s|/.*stage3-${STAGE3_ARCH}-systemd-[0-9]*[.]tar[.]bz2.*||p" | tail -1)
+ARCH_URL="${ARCH_URL:-${BASE_ARCH_URL}${DATE}/systemd/}"
+STAGE3="${STAGE3:-stage3-${STAGE3_ARCH}-systemd-${DATE}.tar.bz2}"
 STAGE3_CONTENTS="${STAGE3_CONTENTS:-${STAGE3}.CONTENTS}"
 STAGE3_DIGESTS="${STAGE3_DIGESTS:-${STAGE3}.DIGESTS.asc}"