qubes-linux-template-builder/prepare_image

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#!/bin/sh
export IMG=$1
export LC_ALL=POSIX
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RETCODE=0
: ${DIST=fc14}
. ./builder_setup >/dev/null
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set -e
if ! [ $# -eq 1 ]; then
echo "usage $0 <img_file_name>"
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exit
fi
if [ "$VERBOSE" == "1" ]; then
export YUM_OPTS="$YUM_OPTS -q"
fi
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echo "-> Preparing instalation of $DIST template..."
$SCRIPTSDIR/00_prepare.sh
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if [ -f $IMG ]; then
echo "-> Image file already exists, assuming *update*..."
mount -o loop $IMG mnt || exit 1
export INSTALLDIR=`pwd`/mnt/
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trap "umount $INSTALLDIR" EXIT
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else
echo "-> Initializing empty image..."
truncate -s 10G $IMG || exit 1
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echo "-> Creating filesystem..."
mkfs.ext4 -q -F $IMG || exit 1
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mkdir -p mnt
mount -o loop $IMG mnt || exit 1
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export INSTALLDIR=`pwd`/mnt/
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trap "umount $INSTALLDIR" EXIT
$SCRIPTSDIR/01_install_core.sh
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fi
echo "-> Installing package groups..."
$SCRIPTSDIR/02_install_groups.sh
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trap - EXIT
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echo "-> Unmounting prepared_image..."
sudo umount $INSTALLDIR
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exit $RETCODE