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- #!/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 [ $# -ne 2 ]; then
- usage
- exit 1
- fi
- SYSROOT_SETUP_SCRIPT=`which oe-find-native-sysroot`
- if [ -z "$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
- 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 [[ ${SDK_ROOTFS_DIR:0:1} != "/" ]]; then
- SDK_ROOTFS_DIR=$(pwd)/$SDK_ROOTFS_DIR
- fi
- TAR_OPTS=""
- if [[ "$ROOTFS_TARBALL" =~ tar\.bz2$ ]]; then
- TAR_OPTS="-xjf"
- fi
- if [[ "$ROOTFS_TARBALL" =~ tar\.gz$ ]]; then
- TAR_OPTS="-xzf"
- fi
- if [[ "$ROOTFS_TARBALL" =~ \.tar$ ]]; then
- TAR_OPTS="-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
- if [ -e "$SDK_ROOTFS_DIR/var/pseudo" ]; then
- echo "Error: $SDK_ROOTFS_DIR/var/pseudo already exists!"
- echo "Please delete the entire rootfs tree manually if this is really what you want"
- exit 1
- fi
- mkdir -p "$SDK_ROOTFS_DIR/var/pseudo"
- touch "$SDK_ROOTFS_DIR/var/pseudo/pseudo.pid"
- PSEUDO_LOCALSTATEDIR="$SDK_ROOTFS_DIR/var/pseudo"
- 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
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