[oe] Fail if the cpio command is missing (v3)

[Martin Panter]

This one is rebased against today's git master, with an extra line for cpio.xz
-Martin
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From 388638cf72e6224fba4b96cda8db26fbc43bb20d Mon Sep 17 00:00:00 2001
From: Martin Panter <vadmium à gmail.com>
Date: Sun, 16 Jan 2011 04:38:03 +0000
Subject: [PATCH] IMAGE_CMD: Fail if the cpio command is missing

Previously my cpio.gz image was an empty gzip file because the missing cpio
command was ignored and gzip was blindly run with no input.
---
 conf/bitbake.conf |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/conf/bitbake.conf b/conf/bitbake.conf
index 31e6abc..042a06c 100644
--- a/conf/bitbake.conf
+++ b/conf/bitbake.conf
@@ -395,10 +395,10 @@ IMAGE_CMD_tar = "cd ${IMAGE_ROOTFS} && tar -cvf ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME
 IMAGE_CMD_tar.gz = "cd ${IMAGE_ROOTFS} && tar -zcvf ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.tar.gz ."
 IMAGE_CMD_tar.bz2 = "cd ${IMAGE_ROOTFS} && tar -jcvf ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.tar.bz2 ."
 IMAGE_CMD_cpio = "cd ${IMAGE_ROOTFS} && (find . | cpio -o -H newc >${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio) ${EXTRA_IMAGECMD}"
-IMAGE_CMD_cpio.gz = "cd ${IMAGE_ROOTFS} && (find . | cpio -o -H newc | gzip -c -9 >${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.gz) ${EXTRA_IMAGECMD}"
-IMAGE_CMD_cpio.xz = "cd ${IMAGE_ROOTFS} && (find . | cpio -o -H newc | xz -c ${XZ_COMPRESSION_LEVEL} > ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.xz) ${EXTRA_IMAGECMD}"
-IMAGE_CMD_cpio.gz.u-boot = "cd ${IMAGE_ROOTFS} && (find . | cpio -o -H newc | gzip -c -9 >${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.gz) ${EXTRA_IMAGECMD}; mkimage -A ${UBOOT_ARCH} -O linux -T ramdisk -C gzip -n ${IMAGE_NAME} -d ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.gz ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.gz.u-boot"
-IMAGE_CMD_cpio.lzma = "cd ${IMAGE_ROOTFS} && (find . | cpio -o -H newc | lzma -c -9 >${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.lzma) ${EXTRA_IMAGECMD}"
+IMAGE_CMD_cpio.gz = "type cpio >/dev/null; cd ${IMAGE_ROOTFS} && (find . | cpio -o -H newc | gzip -c -9 >${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.gz) ${EXTRA_IMAGECMD}"
+IMAGE_CMD_cpio.xz = "type cpio >/dev/null; cd ${IMAGE_ROOTFS} && (find . | cpio -o -H newc | xz -c ${XZ_COMPRESSION_LEVEL} > ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.xz) ${EXTRA_IMAGECMD}"
+IMAGE_CMD_cpio.gz.u-boot = "type cpio >/dev/null; cd ${IMAGE_ROOTFS} && (find . | cpio -o -H newc | gzip -c -9 >${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.gz) ${EXTRA_IMAGECMD}; mkimage -A ${UBOOT_ARCH} -O linux -T ramdisk -C gzip -n ${IMAGE_NAME} -d ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.gz ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.gz.u-boot"
+IMAGE_CMD_cpio.lzma = "type cpio >/dev/null; cd ${IMAGE_ROOTFS} && (find . | cpio -o -H newc | lzma -c -9 >${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.cpio.lzma) ${EXTRA_IMAGECMD}"
 IMAGE_CMD_ubi = "echo \[ubifs\] > ubinize.cfg ; echo mode=ubi >> ubinize.cfg ; echo image=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ubifs >> ubinize.cfg ; echo vol_id=0 >> ubinize.cfg ; echo vol_type=dynamic >> ubinize.cfg ; echo vol_name=${UBI_VOLNAME} >> ubinize.cfg ; echo vol_flags=autoresize >> ubinize.cfg;mkfs.ubifs -r ${IMAGE_ROOTFS} -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ubifs ${MKUBIFS_ARGS} && ubinize -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.ubi ${UBINIZE_ARGS} ubinize.cfg"
 IMAGE_CMD_ubifs = "mkfs.ubifs -r ${IMAGE_ROOTFS} -o ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.ubifs.img ${MKUBIFS_ARGS}"
 
-- 
1.7.1