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path: root/tests/dl-linux-tarball.bash
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#!/bin/bash -eu
#
# This script checks the size of /tmp/linux-3.0.tar.gz and downloads
# a fresh copy if the size is incorrect or the file is missing.

URL=https://cdn.kernel.org/pub/linux/kernel/v3.0/linux-3.0.tar.gz
TGZ=/tmp/linux-3.0.tar.gz

SIZE_WANT=96675825
SIZE_ACTUAL=0
if [[ -e $TGZ ]]; then
	if [[ $OSTYPE == linux* ]] ; then
		SIZE_ACTUAL=$(stat -c %s "$TGZ")
	else
		# Mac OS X
		SIZE_ACTUAL=$(stat -f %z "$TGZ")
	fi
fi

if [[ $SIZE_ACTUAL -ne $SIZE_WANT ]]; then
	echo "Downloading linux-3.0.tar.gz"
	if command -v wget > /dev/null ; then
		wget -nv --show-progress -c -O "$TGZ" "$URL"
	else
		curl -o "$TGZ" "$URL"
	fi
fi