remaster/src/func/check_dependency

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#!/bin/bash
#remaster lib
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[ -d "<LIBDIR>" ] || { echo "LIBDIR not exist"; exit 1; }
#check_dependency
# -> 0 | -> 16
function check_dependency() {
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for packet in squashfs-tools xorriso lxc wget sed sendemail; do
[ "`dpkg -l $packet 2>&1`" == "dpkg-query: Kein Paket gefunden, das auf $packet passt" ] && {
echo "### ERROR ### Packet $packet not installed"
return 16
}
done
return 0
}
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#this func is standalone executable
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[ -n "$1" ] && {
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check_dependency $@
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}