31 lines
586 B
Bash
31 lines
586 B
Bash
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#!/bin/sh -ex
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mountpoint -q /
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[ ! -e hdc.img.dir ]
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cleanup()
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{
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trap - EXIT
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if mountpoint -q hdc.img.dir; then
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umount -d hdc.img.dir
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fi
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mountpoint -q hdc.img.dir ||
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rm -rf hdc.img.dir
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exit $@
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}
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trap 'cleanup $?' EXIT
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trap 'cleanup 1' HUP PIPE INT QUIT TERM
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size=$(du -ks hdc.dir | sed -rn 's/^([0-9]+).*/\1/p')
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[ "$size" -gt 0 ]
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rm -f hdc.img
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dd if=/dev/zero of=hdc.img count=1 bs=1024 seek=$(($size*2))
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mkfs.ext3 -q -F -b 1024 -i 4096 hdc.img
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tune2fs -c 0 -i 0 hdc.img
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mkdir hdc.img.dir
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mount -o loop hdc.img hdc.img.dir
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cp -a hdc.dir/* hdc.img.dir/
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umount -d hdc.img.dir
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