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