move chunks of shell from Makefile into scripts

scripts/mk-images-tar.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -ex
+
+cd $(dirname $0)/..
+
+ln -sf bin/rancheros ./ros
+
+for i in `./ros c images -i os-config.yml`; do
+    [ "${FORCE_PULL}" != "1" ] && docker inspect $i >/dev/null 2>&1 || docker pull $i;
+done
+
+docker save `./ros c images -i os-config.yml` > ${INITRD_DIR}/images.tar

scripts/mk-initrd.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+set -ex
+
+cd $(dirname $0)/..
+. scripts/build-common
+
+mv ${BUILD}/kernel/lib ${INITRD_DIR}
+mv assets/docker       ${INITRD_DIR}
+cp os-config.yml       ${INITRD_DIR}
+cp bin/rancheros       ${INITRD_DIR}/init
+cd ${INITRD_DIR} && find | cpio -H newc -o | lzma -c > ${DIST}/artifacts/initrd

scripts/mk-iso-checksums-txt.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -ex
+
+cd $(dirname $0)/..
+. scripts/build-common
+
+cd ${DIST}/artifacts
+rm -f iso-checksums.txt || :
+
+for algo in 'sha256' 'md5'; do
+    echo "$algo: `${algo}sum rancheros.iso`" >> iso-checksums.txt;
+done

scripts/mk-rancheros-iso.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+set -ex
+
+cd $(dirname $0)/..
+. scripts/build-common
+
+cp ${DIST}/artifacts/initrd                   ${CD}/boot
+cp ${DIST}/artifacts/vmlinuz                  ${CD}/boot
+cp scripts/isolinux.cfg                       ${CD}/boot/isolinux
+cp /usr/lib/ISOLINUX/isolinux.bin             ${CD}/boot/isolinux
+cp /usr/lib/syslinux/modules/bios/ldlinux.c32 ${CD}/boot/isolinux
+cd ${CD} && xorriso \
+    -publisher "Rancher Labs, Inc." \
+    -as mkisofs \
+    -l -J -R -V "RancherOS" \
+    -no-emul-boot -boot-load-size 4 -boot-info-table \
+    -b boot/isolinux/isolinux.bin -c boot/isolinux/boot.cat \
+    -isohybrid-mbr /usr/lib/ISOLINUX/isohdpfx.bin \
+    -o ${DIST}/artifacts/rancheros.iso ${CD}