| #!/bin/bash |
| # |
| # This utility extracts an SDK image tarball using pseudo, and stores |
| # the pseudo database in var/pseudo within the rootfs. If you want to |
| # boot QEMU using an nfsroot, you *must* use this script to create the |
| # rootfs to ensure it is done correctly with pseudo. |
| # |
| # Copyright (c) 2010 Intel Corp. |
| # |
| # This program is free software; you can redistribute it and/or modify |
| # it under the terms of the GNU General Public License version 2 as |
| # published by the Free Software Foundation. |
| # |
| # This program is distributed in the hope that it will be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| # See the GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; if not, write to the Free Software |
| # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| |
| function usage() { |
| echo "Usage: $0 <image-tarball> <extract-dir>" |
| } |
| |
| if [ $# -ne 2 ]; then |
| usage |
| exit 1 |
| fi |
| |
| SYSROOT_SETUP_SCRIPT=`which oe-find-native-sysroot 2> /dev/null` |
| if [ -z "$SYSROOT_SETUP_SCRIPT" ]; then |
| echo "Error: Unable to find the oe-find-native-sysroot script" |
| echo "Did you forget to source your build system environment setup script?" |
| exit 1 |
| fi |
| . $SYSROOT_SETUP_SCRIPT meta-ide-support |
| PSEUDO_OPTS="-P $OECORE_NATIVE_SYSROOT/usr" |
| |
| ROOTFS_TARBALL=$1 |
| SDK_ROOTFS_DIR=$2 |
| |
| if [ ! -e "$ROOTFS_TARBALL" ]; then |
| echo "Error: sdk tarball '$ROOTFS_TARBALL' does not exist" |
| usage |
| exit 1 |
| fi |
| |
| # Convert SDK_ROOTFS_DIR to a full pathname |
| if [[ ${SDK_ROOTFS_DIR:0:1} != "/" ]]; then |
| SDK_ROOTFS_DIR=$(readlink -f $(pwd)/$SDK_ROOTFS_DIR) |
| fi |
| |
| TAR_OPTS="" |
| if [[ "$ROOTFS_TARBALL" =~ tar\.bz2$ ]]; then |
| TAR_OPTS="--numeric-owner -xjf" |
| fi |
| if [[ "$ROOTFS_TARBALL" =~ tar\.gz$ ]]; then |
| TAR_OPTS="--numeric-owner -xzf" |
| fi |
| if [[ "$ROOTFS_TARBALL" =~ \.tar$ ]]; then |
| TAR_OPTS="--numeric-owner -xf" |
| fi |
| if [ -z "$TAR_OPTS" ]; then |
| echo "Error: Unable to determine sdk tarball format" |
| echo "Accepted types: .tar / .tar.gz / .tar.bz2" |
| exit 1 |
| fi |
| |
| if [ ! -d "$SDK_ROOTFS_DIR" ]; then |
| echo "Creating directory $SDK_ROOTFS_DIR" |
| mkdir -p "$SDK_ROOTFS_DIR" |
| fi |
| |
| pseudo_state_dir="$SDK_ROOTFS_DIR/../$(basename "$SDK_ROOTFS_DIR").pseudo_state" |
| pseudo_state_dir="$(readlink -f $pseudo_state_dir)" |
| |
| debug_image="`echo $ROOTFS_TARBALL | grep '\-dbg\.tar\.'`" |
| |
| if [ -e "$pseudo_state_dir" -a -z "$debug_image" ]; then |
| echo "Error: $pseudo_state_dir already exists!" |
| echo "Please delete the rootfs tree and pseudo directory manually" |
| echo "if this is really what you want." |
| exit 1 |
| fi |
| |
| mkdir -p "$pseudo_state_dir" |
| touch "$pseudo_state_dir/pseudo.pid" |
| PSEUDO_LOCALSTATEDIR="$pseudo_state_dir" |
| export PSEUDO_LOCALSTATEDIR |
| |
| echo "Extracting rootfs tarball using pseudo..." |
| echo "$PSEUDO $PSEUDO_OPTS tar -C \"$SDK_ROOTFS_DIR\" $TAR_OPTS \"$ROOTFS_TARBALL\"" |
| $PSEUDO $PSEUDO_OPTS tar -C "$SDK_ROOTFS_DIR" $TAR_OPTS "$ROOTFS_TARBALL" |
| |
| DIRCHECK=`ls -l "$SDK_ROOTFS_DIR" | wc -l` |
| if [ "$DIRCHECK" -lt 5 ]; then |
| echo "Warning: I don't see many files in $SDK_ROOTFS_DIR" |
| echo "Please double-check the extraction worked as intended" |
| exit 0 |
| fi |
| |
| echo "SDK image successfully extracted to $SDK_ROOTFS_DIR" |
| |
| exit 0 |