Clean up temporary files and directories left by build_image, etc.

src/scripts/build_gpt.sh

 #!/bin/bash
 #
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 #
 # Load common constants.  This should be the first executable line.
 # The path to common.sh should be relative to your script's location.
 . "$(dirname "$0")/common.sh"
 
@@ skipping 112 matching lines @@
   if [[ -x "$MKIMAGE" ]]; then
     MBR_SCRIPT_UIMG="${MBR_SCRIPT}.uimg"
     "$MKIMAGE" -A "${ARCH}" -O linux  -T script -a 0 -e 0 -n "COS boot" \
                -d ${MBR_SCRIPT} ${MBR_SCRIPT_UIMG}
     MBR_IMG=${IMAGEDIR}/mbr.img
     dd bs=1 count=`stat --printf="%s" ${MBR_SCRIPT_UIMG}` \
        if="$MBR_SCRIPT_UIMG" of="$MBR_IMG" conv=notrunc
     hexdump -v -C "$MBR_IMG"
   else
     echo "Error: u-boot mkimage not found or not executable."
+    exit 1
   fi
   PMBRCODE=${MBR_IMG}
 else
   PMBRCODE=$(readlink -f /usr/share/syslinux/gptmbr.bin)
 fi
 
 # Create the GPT. This has the side-effect of setting some global vars
 # describing the partition table entries (see the comments in the source).
 install_gpt $OUTDEV $ROOTFS_IMG $KERNEL_IMG $STATEFUL_IMG $PMBRCODE
 
+# Emit helpful scripts for testers, etc.
+${SCRIPTS_DIR}/emit_gpt_scripts.sh "${OUTDEV}" "${IMAGEDIR}"
+
 # Now populate the partitions.
 echo "Copying stateful partition..."
 dd if=${STATEFUL_IMG} of=${OUTDEV} conv=notrunc bs=512 seek=${START_STATEFUL}
 
 echo "Copying kernel..."
 dd if=${KERNEL_IMG} of=${OUTDEV} conv=notrunc bs=512 seek=${START_KERN_A}
   
 echo "Copying rootfs..."
 dd if=${ROOTFS_IMG} of=${OUTDEV} conv=notrunc bs=512 seek=${START_ROOTFS_A}
 
+# Clean up temporary files.
+if [[ -n "${MBR_IMG:-}" ]]; then
+  rm "${MBR_IMG}"
+fi