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#!/bin/sh
# Centos 7
export PATH=/bin:/sbin:/usr/bin:/usr/sbin:${PATH}
ARCH=$1
if test "x$ARCH" = "x"; then
echo "One argument expected (architecture)" 1>&2
exit 1
fi
case $ARCH in
i686)
PACKAGE_ARCH=i386
ARCH_SWITCH=linux32
;;
x86_64)
PACKAGE_ARCH=x86_64
ARCH_SWITCH=
;;
*)
echo "Unsupported architecture '$ARCH'" 1>&2
exit 1
esac
CHROOT_DIR=rhel7-${ARCH}
rm -rf $CHROOT_DIR
mkdir $CHROOT_DIR
mkdir -p $CHROOT_DIR/var/lib/rpm
rpm -v --rebuilddb --root=`pwd`/$CHROOT_DIR
wget http://mirror.centos.org/centos/7.2.1511/os/${PACKAGE_ARCH}/Packages/centos-release-7-2.1511.el7.centos.2.10.${ARCH}.rpm
rpm -v -i --root=`pwd`/$CHROOT_DIR --nodeps centos-release-7-2.1511.el7.centos.2.10.${ARCH}.rpm
rm -f centos-release-7-2.1511.el7.centos.2.10.${ARCH}.rpm
wget http://mirror.centos.org/centos/7.2.1511/os/${PACKAGE_ARCH}/RPM-GPG-KEY-CentOS-7
rpm -v --root=`pwd`/$CHROOT_DIR --import RPM-GPG-KEY-CentOS-7
rm RPM-GPG-KEY-CentOS-7
${ARCH_SWITCH} yum --installroot=`pwd`/$CHROOT_DIR install -y yum
${ARCH_SWITCH} yum --installroot=`pwd`/$CHROOT_DIR install -y coreutils procps net-tools wget
# rebuild the RPM database with the rpm inside the chroot
${ARCH_SWITCH} chroot $CHROOT_DIR /bin/rpm -v --rebuilddb
mknod -m 666 $CHROOT_DIR/dev/null c 1 3
mknod -m 666 $CHROOT_DIR/dev/zero c 1 5
mknod -m 666 $CHROOT_DIR/dev/random c 1 8
mknod -m 666 $CHROOT_DIR/dev/urandom c 1 9
mknod -m 666 $CHROOT_DIR/dev/tty c 5 0
cp /etc/resolv.conf $CHROOT_DIR/etc/
cp $CHROOT_DIR/etc/skel/.bashrc $CHROOT_DIR/root
cp $CHROOT_DIR/etc/skel/.bash_profile $CHROOT_DIR/root
cp $CHROOT_DIR/etc/skel/.bash_logout $CHROOT_DIR/root
cat >> $CHROOT_DIR/root/.bash_profile <<EOF
export PATH=\$PATH:/usr/sbin:/usr/bin:/sbin:/bin
export PS1='[centos7:\u@\h \W]\$ '
EOF
# development stuff
wget http://mirror.switch.ch/ftp/mirror/epel/7/${PACKAGE_ARCH}/e/epel-release-7-8.noarch.rpm
rpm -v -i --root=`pwd`/$CHROOT_DIR --nodeps epel-release-7-8.noarch.rpm
rm epel-release-6-8.noarch.rpm
wget http://dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-7
rpm -v --root=`pwd`/$CHROOT_DIR --import RPM-GPG-KEY-EPEL-7
rm -f RPM-GPG-KEY-EPEL-7
${ARCH_SWITCH} yum --installroot=`pwd`/$CHROOT_DIR install -y make gcc gcc-c++ rpm-build tar ccache distcc
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