assets/release.sh: added to automate GitHub standalone NW.js app releases.

.gitignore: ignore releases/.
asciiblaster.cmd: added as convenience wrapper on Windows.

.gitignore

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+*.sw[op]
+releases/

asciiblaster.cmd

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+@echo off
+start nw.exe .
+rem vim:fileformat=dos

assets/release.sh

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+#!/bin/sh
+#
+
+PACKAGE_NAME="asciiblaster";
+PACKAGE_VERSION="1.0.0";
+RELEASE_DEPS="cpio find gunzip rm tar unzip wget zip";
+NWJS_PLATFORMS="linux-ia32 linux-x64 win-ia32 win-x64";
+NWJS_VERSION="0.34.5";
+NWJS_SUBDIR="nwjs-v${NWJS_VERSION}-%NWJS_PLATFORM%";
+NWJS_URL_linux="https://dl.nwjs.io/v${NWJS_VERSION}/nwjs-v${NWJS_VERSION}-%NWJS_PLATFORM%.tar.gz";
+NWJS_URL_win="https://dl.nwjs.io/v${NWJS_VERSION}/nwjs-v${NWJS_VERSION}-%NWJS_PLATFORM%.zip";
+RELEASES_DNAME="releases";
+
+extract() {
+	local _fname="${1}" _dest_dname="${2}";
+	if [ -n "${_fname}" -a -z "${_fname##*.tar.gz}" ]; then
+		tar -C "${_dest_dname}" -xpf "${_fname}";
+	elif [ -n "${_fname}" -a -z "${_fname##*.zip}" ]; then
+		unzip -d "${_dest_dname}" "${_fname}";
+	else
+		echo "error: file \`${_fname}' is of unknown archive type" >&2; exit 1;
+	fi;
+};
+
+msgf() {
+	local _fmt="${1}"; shift;
+	printf "%s >>> ${_fmt}\n" "$(date +"%d-%^b-%Y %H:%M:%S")" "${@}";
+};
+
+subst() {
+	local _string="${1}" _search="${2}" _replace="${3}" _string_="";
+	_string_="${_string%${_search}*}";
+	_string_="${_string_}${_replace}"
+	_string_="${_string_}${_string#*${_search}}";
+	echo "${_string_}";
+};
+
+release() {
+	local _platform="${1}" _vflag="${2}" _nwjs_fname="" _nwjs_subdir="" _nwjs_url="" _release_fname="" _release_dname="";
+
+	_nwjs_subdir="$(subst "${NWJS_SUBDIR}" "%NWJS_PLATFORM%" "${_platform}")";
+	_nwjs_url="$(subst "$(eval echo \"\${NWJS_URL_${_platform%%-*}}\")" "%NWJS_PLATFORM%" "${_platform}")";
+	_nwjs_fname="${RELEASES_DNAME}/${_nwjs_url##*/}";
+	_release_dname="${RELEASES_DNAME}/${PACKAGE_NAME}-${PACKAGE_VERSION}-release-${_platform}";
+	_release_fname="${_release_dname}.zip";
+
+	trap "rm -fr ${_nwjs_fname} ${_release_dname}" EXIT HUP INT QUIT PIPE TERM USR1 USR2;
+	if [ "${_vflag:-0}" -eq 0 ]; then
+		wget -qO "${_nwjs_fname}" "${_nwjs_url}";
+	else
+		wget -O "${_nwjs_fname}" "${_nwjs_url}";
+	fi;
+	rm -rf "${_release_dname}"; mkdir -p "${_release_dname}"; extract "${_nwjs_fname}" "${_release_dname}";
+
+	cd "${_release_dname}/${_nwjs_subdir}";
+	find .						\
+		-mindepth 1				|\
+			cpio --quiet -dmp ..;
+	cd "${OLDPWD}";
+	rm -fr "${_release_dname}/${_nwjs_subdir}";
+	find .						\
+		-mindepth 1				\
+		-not -path './.git/*'			\
+		-not -path "./.git"			\
+		-not -path "./${RELEASES_DNAME}/*"	\
+		-not -path "./${RELEASES_DNAME}"	\
+		-not -name '.git*'			\
+		-not -name '*.sw*'			|\
+			cpio --quiet -dmp "${_release_dname}";
+	cd "${RELEASES_DNAME}";
+	if [ "${_vflag:-0}" -eq 0 ]; then
+		zip -9 -r "${_release_fname##${RELEASES_DNAME}/}" "${_release_dname##${RELEASES_DNAME}/}" >/dev/null;
+	else
+		zip -9 -r "${_release_fname##${RELEASES_DNAME}/}" "${_release_dname##${RELEASES_DNAME}/}";
+	fi;
+	cd "${OLDPWD}";
+	rm -fr "${_nwjs_fname}" "${_release_dname}";
+	trap - EXIT HUP INT QUIT PIPE TERM USR1 USR2;
+};
+
+usage() {
+	echo "usage: ${0} [-h] [-v] [platform...]" >&2;
+	echo "       -h.........: show this screen" >&2;
+	echo "       -v.........: be verbose" >&2;
+	echo "       platform...: one of: \`${NWJS_PLATFORMS}'" >&2;
+};
+
+main() {
+	local _cmd="" _opt="" _platform="" _platforms="" _vflag=0;
+	while getopts hv _opt; do
+	case "${_opt}" in
+	h) usage; exit 0; ;;
+	v) _vflag=1; ;;
+	*) usage; exit 1; ;;
+	esac; done;
+	shift $((${OPTIND}-1));
+	for _cmd in ${RELEASE_DEPS}; do
+		if ! which "${_cmd}" >/dev/null; then
+			echo "error: missing prerequisite command \`${_cmd}'";
+			exit 1;
+		fi;
+	done;
+	_platforms="${@}"; mkdir -p "${RELEASES_DNAME}";
+	for _platform in ${_platforms:-${NWJS_PLATFORMS}}; do
+		msgf "Building ${_platform} release...";
+		if [ "${_vflag:-0}" -eq 0 ]; then
+			release "${_platform}" "${_vflag}" >/dev/null;
+		else
+			release "${_platform}" "${_vflag}";
+		fi;
+		msgf "Built ${_platform} release.";
+	done;
+};
+
+set -o errexit -o noglob;
+main "${@}";
+
+# vim:foldmethod=marker sw=8 ts=8 tw=120