github.com/opencontainers/runtime-tools@v0.9.0/contrib/rootfs-builder/Makefile (about) 1 ARCHES ?= amd64 2 3 all: $(ARCHES:%=rootfs-%.tar.gz) 4 5 rootfs-%.tar.gz: rootfs/%/bin/echo 6 tar -czf $@ -C rootfs/$* . 7 8 .PRECIOUS: rootfs/%/bin/busybox 9 rootfs/%/bin/busybox: downloads/stage3-%-current.tar rootfs-files 10 gpg --verify $<.DIGESTS.asc 11 (cd downloads && \ 12 grep -A1 '^# SHA512 HASH' stage3-$*-current.tar.DIGESTS.asc | \ 13 grep -v '^--' | \ 14 sha512sum -c) 15 sudo rm -rf rootfs/$* 16 sudo mkdir -p rootfs/$* 17 sudo tar -xvf downloads/stage3-$*-current.tar -C rootfs/$* \ 18 --no-recursion --wildcards $$(cat rootfs-files) 19 sudo touch $@ 20 21 .PRECIOUS: rootfs/%/bin/echo 22 rootfs/%/bin/echo: rootfs/%/bin/busybox 23 sudo sh -c 'COMMANDS=$$($< --list | grep -v "^busybox$$") || exit 1; for COMMAND in $${COMMANDS}; do \ 24 test -L "rootfs/$*/bin/$${COMMAND}" || ln -rs $< "rootfs/$*/bin/$${COMMAND}" || exit; \ 25 done' 26 27 downloads/stage3-%-current.tar: get-stage3.sh 28 STAGE3_ARCH=$* ./$< 29 touch downloads/stage3-$*-*.tar 30 31 clean: 32 rm -f downloads/* 33 sudo rm -rf rootfs