#!/bin/sh
# Uses Argbash to generate command argument parsing. To update
# arguments, make sure to call
# `argbash nodejs-tarball.sh -o nodejs-tarball.sh`

# ARG_POSITIONAL_SINGLE([version],[Node.js release version],[""])
# ARG_DEFAULTS_POS([])
# ARG_HELP([Tool to aid in Node.js packaging of new releases])
# ARGBASH_GO()
# needed because of Argbash --> m4_ignore([
### START OF CODE GENERATED BY Argbash v2.8.1 one line above ###
# Argbash is a bash code generator used to get arguments parsing right.
# Argbash is FREE SOFTWARE, see https://argbash.io for more info


die()
{
	local _ret=$2
	test -n "$_ret" || _ret=1
	test "$_PRINT_HELP" = yes && print_help >&2
	echo "$1" >&2
	exit ${_ret}
}


begins_with_short_option()
{
	local first_option all_short_options='h'
	first_option="${1:0:1}"
	test "$all_short_options" = "${all_short_options/$first_option/}" && return 1 || return 0
}

# THE DEFAULTS INITIALIZATION - POSITIONALS
_positionals=()
_arg_version=""
# THE DEFAULTS INITIALIZATION - OPTIONALS


print_help()
{
	printf '%s\n' "Tool to aid in Node.js packaging of new releases"
	printf 'Usage: %s [-h|--help] [<version>]\n' "$0"
	printf '\t%s\n' "<version>: Node.js release version (default: '""')"
	printf '\t%s\n' "-h, --help: Prints help"
}


parse_commandline()
{
	_positionals_count=0
	while test $# -gt 0
	do
		_key="$1"
		case "$_key" in
			-h|--help)
				print_help
				exit 0
				;;
			-h*)
				print_help
				exit 0
				;;
			*)
				_last_positional="$1"
				_positionals+=("$_last_positional")
				_positionals_count=$((_positionals_count + 1))
				;;
		esac
		shift
	done
}


handle_passed_args_count()
{
	test "${_positionals_count}" -le 1 || _PRINT_HELP=yes die "FATAL ERROR: There were spurious positional arguments --- we expect between 0 and 1, but got ${_positionals_count} (the last one was: '${_last_positional}')." 1
}


assign_positional_args()
{
	local _positional_name _shift_for=$1
	_positional_names="_arg_version "

	shift "$_shift_for"
	for _positional_name in ${_positional_names}
	do
		test $# -gt 0 || break
		eval "$_positional_name=\${1}" || die "Error during argument parsing, possibly an Argbash bug." 1
		shift
	done
}

parse_commandline "$@"
handle_passed_args_count
assign_positional_args 1 "${_positionals[@]}"

# OTHER STUFF GENERATED BY Argbash

### END OF CODE GENERATED BY Argbash (sortof) ### ])
# [ <-- needed because of Argbash

packages=("jq" "wget" "tar" "fedpkg" "grep" "sed")

rpm -q ${packages[@]} >/dev/null
if [ $? -ne 0 ]; then
  sudo dnf -y install ${packages[@]}
fi

set -e

echo $_arg_version

if [ x$_arg_version != x ]; then
    version=$_arg_version
else
    version=$(rpm -q --specfile --qf='%{version}\n' nodejs*.spec | head -n1)
fi

NODE_MAJOR=$(echo $version | cut -d. -f1)

rm -rf node-v${version}.tar.gz \
       node-v${version}-stripped.tar.gz \
       node-v${version}/ \
       wasi-sdk-* \
       cjs-module-lexer* \
       undici* \
       SHASUMS256.txt
wget http://nodejs.org/dist/v${version}/node-v${version}.tar.gz \
     http://nodejs.org/dist/v${version}/SHASUMS256.txt
sha256sum -c SHASUMS256.txt --ignore-missing
rm -f SHASUMS256.txt
tar -zxf node-v${version}.tar.gz

# Remove bundled OpenSSL
# We will link to the system version
rm -rf node-v${version}/deps/openssl
tar -zcf node-v${version}-stripped.tar.gz node-v${version}

set -x
# Download the cjs-module-lexer sources
LEXER_VERSION=$(jq -r '.version' node-v${version}/deps/cjs-module-lexer/package.json)
wget https://github.com/nodejs/cjs-module-lexer/archive/refs/tags/${LEXER_VERSION}.tar.gz
tar -zxf ${LEXER_VERSION}.tar.gz
rm -f cjs-module-lexer-${LEXER_VERSION}/lib/lexer.wasm
tar -zcf cjs-module-lexer-${LEXER_VERSION}-stripped.tar.gz cjs-module-lexer-${LEXER_VERSION}/
rm -f ${LEXER_VERSION}.tar.gz

# Download the WASI compiler used to build cjs-module-lexer
LEXER_WASI_MAJOR=$(grep -oP '(?<=^\W../wasi-sdk-)\d+\.\d+' cjs-module-lexer-${LEXER_VERSION}/Makefile | cut -d'.'  -f1)
LEXER_WASI_MINOR=$(grep -oP '(?<=^\W../wasi-sdk-)\d+\.\d+' cjs-module-lexer-${LEXER_VERSION}/Makefile | cut -d'.'  -f2)
wget https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-${LEXER_WASI_MAJOR}/wasi-sdk-${LEXER_WASI_MAJOR}.${LEXER_WASI_MINOR}-linux.tar.gz

# Download the undici sources
UNDICI_VERSION=$(jq -r '.version' node-v${version}/deps/undici/src/package.json)
wget https://github.com/nodejs/undici/archive/refs/tags/v${UNDICI_VERSION}.tar.gz
tar -zxf v${UNDICI_VERSION}.tar.gz
rm -f undici-${UNDICI_VERSION}/lib/llhttp/llhttp*.wasm*
tar -zcf undici-${UNDICI_VERSION}-stripped.tar.gz undici-${UNDICI_VERSION}/
rm -f v${UNDICI_VERSION}.tar.gz

# Download the WASI compiler used to build undici
UNDICI_WASI_MAJOR=$(grep -oP '(?<=WASI_SDK_VERSION_MAJOR=).*' undici-${UNDICI_VERSION}/build/Dockerfile)
UNDICI_WASI_MINOR=$(grep -oP '(?<=WASI_SDK_VERSION_MINOR=).*' undici-${UNDICI_VERSION}/build/Dockerfile)
wget https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-${UNDICI_WASI_MAJOR}/wasi-sdk-${UNDICI_WASI_MAJOR}.${UNDICI_WASI_MINOR}-linux.tar.gz

ICU_MAJOR=$(jq -r '.[0].url' node-v${version}/tools/icu/current_ver.dep | sed --expression='s/.*release-\([[:digit:]]\+\)-\([[:digit:]]\+\).*/\1/g')
ICU_MINOR=$(jq -r '.[0].url' node-v${version}/tools/icu/current_ver.dep | sed --expression='s/.*release-\([[:digit:]]\+\)-\([[:digit:]]\+\).*/\2/g')

set +x

# Download the ICU binary data files
rm -Rf icu4c-${ICU_MAJOR}_${ICU_MINOR}-data-bin-*.zip
wget $(grep Source3 nodejs${NODE_MAJOR}.spec | sed --expression="s/.*http/http/g" --expression="s/\(\%{icu_major}\)/${ICU_MAJOR}/g" --expression="s/\(\%{icu_minor}\)/${ICU_MINOR}/g")
wget $(grep Source4 nodejs${NODE_MAJOR}.spec | sed --expression="s/.*http/http/g" --expression="s/\(\%{icu_major}\)/${ICU_MAJOR}/g" --expression="s/\(\%{icu_minor}\)/${ICU_MINOR}/g")

fedpkg new-sources node-v${version}-stripped.tar.gz \
                   icu4c-${ICU_MAJOR}_${ICU_MINOR}-data-bin-*.zip \
                   cjs-module-lexer-${LEXER_VERSION}-stripped.tar.gz \
                   wasi-sdk-${LEXER_WASI_MAJOR}.${LEXER_WASI_MINOR}-linux.tar.gz \
                   undici-${UNDICI_VERSION}-stripped.tar.gz \
                   wasi-sdk-${UNDICI_WASI_MAJOR}.${UNDICI_WASI_MINOR}-linux.tar.gz

rm -f node-v${version}.tar.gz

set +e

# Determine the bundled versions of the various packages
echo "Bundled software versions"
echo "-------------------------"
echo
echo "libnode shared object version"
echo "========================="
grep "define NODE_MODULE_VERSION" node-v${version}/src/node_version.h
echo
echo "V8"
echo "========================="
grep "define V8_MAJOR_VERSION" node-v${version}/deps/v8/include/v8-version.h
grep "define V8_MINOR_VERSION" node-v${version}/deps/v8/include/v8-version.h
grep "define V8_BUILD_NUMBER" node-v${version}/deps/v8/include/v8-version.h
grep "define V8_PATCH_LEVEL" node-v${version}/deps/v8/include/v8-version.h
echo
echo "c-ares"
echo "========================="
grep "define ARES_VERSION_MAJOR" node-v${version}/deps/cares/include/ares_version.h
grep "define ARES_VERSION_MINOR" node-v${version}/deps/cares/include/ares_version.h
grep "define ARES_VERSION_PATCH" node-v${version}/deps/cares/include/ares_version.h
echo
echo "llhttp"
echo "========================="
grep "define LLHTTP_VERSION_MAJOR" node-v${version}/deps/llhttp/include/llhttp.h
grep "define LLHTTP_VERSION_MINOR" node-v${version}/deps/llhttp/include/llhttp.h
grep "define LLHTTP_VERSION_PATCH" node-v${version}/deps/llhttp/include/llhttp.h
echo
echo "libuv"
echo "========================="
grep "define UV_VERSION_MAJOR" node-v${version}/deps/uv/include/uv/version.h
grep "define UV_VERSION_MINOR" node-v${version}/deps/uv/include/uv/version.h
grep "define UV_VERSION_PATCH" node-v${version}/deps/uv/include/uv/version.h
echo
echo "nghttp2"
echo "========================="
grep "define NGHTTP2_VERSION " node-v${version}/deps/nghttp2/lib/includes/nghttp2/nghttp2ver.h
echo
echo "ICU"
echo "========================="
echo "${ICU_MAJOR}.${ICU_MINOR}"
echo
echo "punycode"
echo "========================="
grep "'version'" node-v${version}/lib/punycode.js
echo
echo "uvwasi"
echo "========================="
grep "define UVWASI_VERSION_MAJOR" node-v${version}/deps/uvwasi/include/uvwasi.h
grep "define UVWASI_VERSION_MINOR" node-v${version}/deps/uvwasi/include/uvwasi.h
grep "define UVWASI_VERSION_PATCH" node-v${version}/deps/uvwasi/include/uvwasi.h
echo
echo "npm"
echo "========================="
grep "\"version\":" node-v${version}/deps/npm/package.json
echo
echo "zlib"
echo "========================="
grep "define ZLIB_VERSION" node-v${version}/deps/zlib/zlib.h
echo
echo "cjs-module-lexer"
echo "========================="
echo "${LEXER_VERSION}"
echo "WASI-SDK: ${LEXER_WASI_MAJOR}.${LEXER_WASI_MINOR}"
echo
echo "undici"
echo "========================="
echo "${UNDICI_VERSION}"
echo "WASI-SDK: ${UNDICI_WASI_MAJOR}.${UNDICI_WASI_MINOR}"
echo
echo "Make sure these versions match what is in the RPM spec file"

rm -rf node-v${version}
# ] <-- needed because of Argbash