NetBSDのソースコードを取得するシェルスクリプトです。

get_nbsd_kernsrc.sh

#!/bin/sh

# example)
#   ${BASE_URL}/NetBSD-7.0/${SRC_DIR}
BASE_URL=http://ftp.jaist.ac.jp/pub/NetBSD/
SRC_DIR=source/sets/

TEMP_DIR=${HOME}/.nbsd_kernsrc_list
KERNSRC_LIST_HTML=${TEMP_DIR}/kernsrc_list.html
KERNSRC_LIST=${TEMP_DIR}/kernsrc_list.txt

DOWNLOAD_SRC_LIST="
MD5
SHA512
sharesrc.tgz
syssrc.tgz
gnusrc.tgz
src.tgz
"
#xsrc.tgz         2015-09-25 17:03 158M
SRC_LIST_COUNT=0
for i in ${DOWNLOAD_SRC_LIST}
do
	SRC_LIST_COUNT=$((SRC_LIST_COUNT + 1))
done

# detect OS type
if [ "`uname -s`" = 'NetBSD' ]; then
	# NetBSD
	CURL=curl
#elif [ -f /etc/lsb-release ]; then
#	# Debian/Ubuntu
#elif [ -f /etc/redhat-release ]; then
#	# RedHat/CentOS
else
	echo 'Err: not supported OS.(T_T)'
	exit 1
fi

# check args
if [ $# -lt 1 ]; then
	echo 'Err:'
	exit 1
fi
cmd=$1

# create temp directory
[ ! -d ${TEMP_DIR} ] && mkdir -p ${TEMP_DIR}

# parse command and execute
case ${cmd} in
list)
	if [ ! -f ${KERNSRC_LIST} ]; then
		${CURL} -s -o ${KERNSRC_LIST_HTML} ${BASE_URL}
		grep 'DIR.*href="NetBSD-[0-9]' ${KERNSRC_LIST_HTML} \
			| sed -e "s/\/<\/a.*$//" -e "s/^.*NetBSD/NetBSD/" \
			> ${KERNSRC_LIST}
	fi

	# listup source directory
	echo " Available NetBSD source archive."
	cat ${KERNSRC_LIST} | awk '{ print "  * "$1 }'
	;;
download)
	target_version=$2
	if [ -z "${target_version}" ]; then
		echo 'Err: download <NetBSD-version>'
		exit 1
	fi
	if [ `grep -w ${target_version} ${KERNSRC_LIST} | wc -l` -eq 0 ]; then
		echo 'Err: not found source version.'
		exit 1
	fi

	count=1
	for item in ${DOWNLOAD_SRC_LIST}
	do
		url=${BASE_URL}/${target_version}/${SRC_DIR}/${item}
		if [ ! -f ${item} ]; then
			echo " [${count}/${SRC_LIST_COUNT}]download ${item}"
			count=$((count + 1))
			curl -s -O ${url}
		fi
	done
	;;
checksum)
	for item in `/bin/ls *.tgz`
	do
		if [ ! -f ${item} ]; then
			echo " [ OK ] ${item} (file not found)"
		else
			expect_val=`grep -w ${item} SHA512|awk '{ print $4 }'`
			test_val=`shasum -a 512 ${item}|awk '{ print $1 }'`

			if [ "${test_val}" = "${expect_val}" ]; then
				echo " [ OK ] ${item}"
			else
				echo " [FAIL] ${item}"
			fi
		fi
	done
	;;
help)
	echo ' list:'
	echo '     show NetBSD version list.'
	echo ' download <version>:'
	echo '     download NetBSD source archive.'
	echo ' checksum:'
	echo '     check sha-512 each download files.'
	echo ' help:'
	echo '     show this message.'
	echo
	echo ' * download src files'
	for item in ${DOWNLOAD_SRC_LIST}
	do
		echo "     - ${item}"
	done
	;;
*)
	echo "Err: unknown command '${cmd}'."
	exit 1
	;;
esac