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|
#!/bin/bash -
# febootstrap
# (C) Copyright 2009 Red Hat Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# Written by Richard W.M. Jones <rjones@redhat.com>
unset CDPATH
TEMP=`getopt \
-o g:i:p:u: \
--long groupinstall:,group-install:,help,install:,noclean,no-clean,proxy:,updates: \
-n febootstrap -- "$@"`
if [ $? != 0 ]; then
echo "febootstrap: problem parsing the command line arguments"
exit 1
fi
eval set -- "$TEMP"
declare -a packages
packages[0]="@Core"
i=0
clean=yes
usage ()
{
echo "Usage: febootstrap [--options] REPO TARGET [MIRROR]"
echo "Please read febootstrap(8) man page for more information."
}
while true; do
case "$1" in
-i|--install)
packages[i++]="$2"
shift 2;;
-g|--groupinstall|--group-install)
packages[i++]="@$2"
shift 2;;
-p|--proxy)
proxy="proxy=$2"
shift 2;;
-u|--updates)
updates="$2";
shift 2;;
--noclean|--no-clean)
clean=no
shift;;
--help)
usage
exit 0;;
--)
shift
break;;
*)
echo "Internal error!"
exit 1;;
esac
done
if [ $# -lt 2 -o $# -gt 3 ]; then
usage
exit 1
fi
repo="$1"
target="$2"
mirror="$3"
# Architecture is currently always the same as the current arch. We
# cannot do --foreign builds. See discussion in the manpage.
arch=$(uname -m)
case $arch in
i?86) arch=i386 ;;
esac
# Create a temporary directory, make sure it gets cleaned up at the end.
tmpdir=$(mktemp -d)
remove_tmpdir ()
{
status=$?
rm -rf "$tmpdir" && exit $status
}
trap remove_tmpdir EXIT
# Create the temporary repository configuration. The name of the
# repository is always 'febootstrap'.
cat > $tmpdir/febootstrap.repo <<__EOF__
[febootstrap]
name=febootstrap $repo $arch
failovermethod=priority
enabled=1
gpgcheck=0
$proxy
__EOF__
# "Mirror" parameter is a bit misnamed, but it means a local mirror,
# instead of the public Fedora mirrors.
if [ -n "$mirror" ]; then
echo "baseurl=$mirror" >> "$tmpdir"/febootstrap.repo
else
echo "mirrorlist=http://mirrors.fedoraproject.org/mirrorlist?repo=$repo&arch=$arch" >> "$tmpdir"/febootstrap.repo
fi
# Add the updates repository if asked.
case "$updates" in
""|none|no)
;;
*://*)
cat >> $tmpdir/febootstrap.repo <<EOF
[febootstrap-updates]
name=febootstrap updates $arch
failovermethod=priority
enabled=1
gpgcheck=0
$proxy
baseurl=$updates
EOF
addrepo=febootstrap-updates
;;
*)
cat >> $tmpdir/febootstrap.repo <<EOF
[febootstrap-updates]
name=febootstrap $updates $arch
failovermethod=priority
enabled=1
gpgcheck=0
$proxy
mirrorlist=http://mirrors.fedoraproject.org/mirrorlist?repo=$updates&arch=$arch
EOF
addrepo=febootstrap-updates
;;
esac
# Create the target filesystem.
rm -rf "$target"
mkdir "$target"
# Target must be an absolute path.
target=$(cd "$target" > /dev/null; pwd)
# This is necessary to keep yum happy. It's not clear why yum can't
# just create this file itself.
mkdir -p "$target"/var/cache/yum/febootstrap/packages
# NB: REQUIRED for useradd/groupadd to run properly.
#
# However this causes 'filesystem' RPM install to give the
# following error. Not sure how serious the error is:
# error: unpacking of archive failed on file /proc: cpio: utime
export FAKECHROOT_EXCLUDE_PATH=/proc
# Substitute some statically-linked commands. This is only supported
# in fakechroot > 2.9. For previous versions of fakechroot it is
# ignored.
export FAKECHROOT_CMD_SUBST=/sbin/ldconfig=/bin/true:/usr/sbin/glibc_post_upgrade.i686=/bin/true:/usr/sbin/glibc_post_upgrade.x86_64=/bin/true:/usr/sbin/build-locale-archive=/bin/true:/usr/sbin/libgcc_post_upgrade=/bin/true:/sbin/new-kernel-pkg=/bin/true:/usr/sbin/nscd=/bin/true
# Use the libraries inside the chroot.
export LD_LIBRARY_PATH="$target"/usr/lib64:"$target"/usr/lib:"$target"/lib64:"$target"/usr/lib
# Make the device nodes inside the fake chroot.
# (Copied from mock/backend.py) Why isn't there a base package which
# creates these?
make_device_nodes ()
{
mkdir "$target"/proc
mkdir "$target"/sys
mkdir "$target"/dev
(
cd "$target"/dev
mkdir pts
mkdir shm
mkdir mapper
mknod null c 1 3; chmod 0666 null
mknod full c 1 7; chmod 0666 full
mknod zero c 1 5; chmod 0666 zero
mknod random c 1 8; chmod 0666 random
mknod urandom c 1 9; chmod 0444 urandom
mknod tty c 5 0; chmod 0666 tty
mknod console c 5 1; chmod 0600 console
mknod ptmx c 5 2; chmod 0666 ptmx
ln -sf /proc/self/fd/0 stdin
ln -sf /proc/self/fd/1 stdout
ln -sf /proc/self/fd/2 stderr
)
}
export -f make_device_nodes
export target
if [ $(id -u) -ne 0 ]; then
fakeroot -s "$target"/fakeroot.log \
make_device_nodes
else
make_device_nodes
fi
repos=febootstrap
if [ -n "$addrepo" ]; then
repos="$repos,$addrepo"
fi
# Run yum.
run_yum ()
{
yum \
-y -c "$tmpdir"/febootstrap.repo \
--disablerepo=* --enablerepo=$repos \
--noplugins --nogpgcheck \
--installroot="$target" \
install "$@"
}
export -f run_yum
export tmpdir
export repos
if [ $(id -u) -ne 0 ]; then
# Bash doesn't support exporting array variables, hence this
# tortuous workaround.
fakeroot -i "$target"/fakeroot.log -s "$target"/fakeroot.log \
fakechroot -s \
bash -c 'run_yum "$@"' run_yum "${packages[@]}"
else
run_yum "${packages[@]}"
fi
# Clean up the yum repository.
if [ "$clean" = "yes" ]; then
febootstrap-run "$target" -- rm -rf /var/cache/yum/febootstrap
febootstrap-run "$target" -- rm -rf /var/cache/yum/febootstrap-updates
fi
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