29 lines
469 B
Bash
Executable File
29 lines
469 B
Bash
Executable File
#!/bin/sh
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if [ "`id -u`" != "0" ]; then
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exec sudo $0 $*
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fi
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set -e
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if ! echo $PATH | grep -q sbin; then
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PATH=$PATH:/sbin:/usr/sbin
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fi
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FILENAME=$1
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ROOT_SIZE=$2
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SWAP_SIZE=$[ 1024 ]
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if [ -z "$ROOT_SIZE" -o -z "$FILENAME" ]; then
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echo "Usage: $0 <filename> <root.img size in MB>"
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exit 1
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fi
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if [ -e "$FILENAME" ]; then
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echo "$FILENAME already exists, not overriding"
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exit 1
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fi
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TOTAL_SIZE=$[ $ROOT_SIZE + $SWAP_SIZE + 512 ]
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truncate -s ${TOTAL_SIZE}M "$FILENAME"
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