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39 lines
807 B
Bash
39 lines
807 B
Bash
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#!/bin/bash
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set -e
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die() {
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echo "die: $@"
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exit 1
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}
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if [ $(id -u) != 0 ]; then
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die "this script needs to run as root"
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fi
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echo "setting up disk image..."
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qemu-img create _disk_image ${DISK_SIZE:-500}m || die "couldn't create disk image"
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chown 1000:1000 _disk_image || die "couldn't adjust permissions on disk image"
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echo "done"
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echo -n "creating new filesystem... "
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mke2fs -q -I 128 _disk_image || die "couldn't create filesystem"
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echo "done"
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echo -n "mounting filesystem... "
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mkdir -p mnt
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mount _disk_image mnt/ || die "couldn't mount filesystem"
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echo "done"
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cleanup() {
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if [ -d mnt ]; then
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echo -n "unmounting filesystem... "
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umount mnt || ( sleep 1 && sync && umount mnt )
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rm -rf mnt
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echo "done"
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fi
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}
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trap cleanup EXIT
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./build-root-filesystem.sh
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