NetBSD-currentの最新の配布物をダウンロードするスクリプトです。

download-current-release.sh

#!/bin/sh

BASE_URL=http://nyftp.netbsd.org/pub/NetBSD-daily/HEAD/latest
ARCH=amd64

rm -rf working
mkdir -p working
cd working

if [ ! -f tmp.txt ]; then
	curl -sL -o tmp.txt http://nyftp.netbsd.org/pub/NetBSD-daily/HEAD/
fi

latest_dir=`cat tmp.txt \
	| grep latest \
	| sed \
		-e "s/^.*<\/a><td>//" \
		-e "s/<td.*$//" \
		-e "s/ /_/g" \
		-e "s/://g"`
cd ..

echo "[`LANG=C date`] download directory: $latest_dir"
if [ -d $latest_dir ]; then
	echo "[`LANG=C date`] latest release already downloaded."
fi
mkdir -p $latest_dir
cd $latest_dir

download_files="
$BASE_URL/$ARCH/binary/sets/kern-GENERIC.tar.xz
$BASE_URL/$ARCH/binary/sets/base.tar.xz
$BASE_URL/$ARCH/binary/sets/comp.tar.xz
$BASE_URL/$ARCH/binary/sets/etc.tar.xz
$BASE_URL/$ARCH/binary/sets/man.tar.xz
$BASE_URL/$ARCH/binary/sets/modules.tar.xz
$BASE_URL/$ARCH/binary/sets/misc.tar.xz
$BASE_URL/$ARCH/binary/sets/MD5
"
for f in $download_files
do
	fname=`echo $f | sed -e "s/^.*\///"`
	if [ ! -f $fname ]; then
		echo "[`LANG=C date`] download ${fname}..."
		curl -sLO $f
	fi
done
for f in $download_files
do
	fname=`echo $f | sed -e "s/^.*\///"`

	expect_md5=`grep -w $fname MD5 | awk '{ print $4 }'`
	file_md5=`md5 $fname | awk '{ print $4 }'`

	_err=0
	if [ "$expect_md5" != "$file_md5" -a "$fname" != "MD5" ]; then
		echo "[`LANG=C date`] illigal md5 checksum: ${fname}..."
		echo "[`LANG=C date`]   original : $expect_md5"
		echo "[`LANG=C date`]   download : $file_md5"
		_err=$((_err+1))
	fi
	if [ $_err -ne 0 ]; then
		echo "[`LANG=C date`] Error: checksum mismatch."
		exit 1
	fi
done