banan-os/script/image.sh

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#!/bin/bash
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if [ -z $BANAN_DISK_IMAGE_PATH ]; then
echo "You must set the BANAN_DISK_IMAGE_PATH environment variable" >&2
exit 1
fi
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if [ -z $BANAN_SYSROOT_TAR ]; then
echo "You must set the BANAN_SYSROOT_TAR environment variable" >&2
exit 1
fi
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if [ -z $BANAN_BUILD_DIR ]; then
echo "You must set the BANAN_BUILD_DIR environment variable" >&2
exit 1
fi
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if [ "$1" == "full" ] || [ ! -f $BANAN_DISK_IMAGE_PATH ]; then
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$BANAN_SCRIPT_DIR/image-create.sh || exit 1
fi
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set -u
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MOUNT_DIR="$BANAN_BUILD_DIR/mount"
mkdir -p $MOUNT_DIR
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LOOP_DEV="$(sudo losetup --show -Pf $BANAN_DISK_IMAGE_PATH || exit 1)"
ROOT_PARTITION="${LOOP_DEV}p2"
if [ ! -b $ROOT_PARTITION ]; then
echo "Failed to probe partitions for banan disk image." >&2
sudo losetup -d $LOOP_DEV
exit 1
fi
if sudo mount $ROOT_PARTITION $MOUNT_DIR; then
cd $MOUNT_DIR
sudo tar xf $BANAN_SYSROOT_TAR
cd
sudo umount $MOUNT_DIR
fi
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sudo losetup -d $LOOP_DEV