#!/bin/bash -xe

# The heart of the build process: given a valid Node.js version string,

# fetch the source file then build each type of asset using a pre-built

# docker image.

# Function to display usage and exit

usage_exit() {

echo "Usage: $0 -v version [-r recipe ...]"

exit "${1:-0}" # Exit with provided code or default to 0

}

# Setup file and directory paths

__dirname="$(CDPATH= cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

workdir=${workdir:-"${__dirname}/../.."}

ccachedir=$(realpath "${workdir}/.ccache")

stagingdir=$(realpath "${workdir}/staging")

distdir=$(realpath "${workdir}/download")

logdir=$(realpath "${workdir}/logs")

# Adds config variable and `recipe_exists` function to scope

source "${__dirname}/_config.sh"

# Adds decode function to scope to parse $fullversion below

source "${__dirname}/_decode_version.sh"

# Variable declaration

fullversion=""

recipes_to_build=()

# Parse options

while getopts "v:r:" opt; do

case $opt in

v)

fullversion="$OPTARG"

;;

r)

if ! recipe_exists "$OPTARG"; then

echo "Error: Recipe '$OPTARG' does not exist."

usage_exit 1

fi

recipes_to_build =("$OPTARG")

;;

\?)

echo "Invalid option: -$OPTARG" >&2;

usage_exit 1

;;

:)

echo "Invalid option: $OPTARG requires an argument" 1>&2

usage_exit

;;

esac

done

shift $((OPTIND-1))

# Exit if no version was passed via -v

if [ -z "$fullversion" ]; then

usage_exit 1

fi

# see _decode_version.sh for all of the magic variables now set and available

# for use after decoding the $fullversion

decode "$fullversion"

# Point RELEASE_URLBASE to the Unofficial Builds server

unofficial_release_urlbase="https://unofficial-builds.nodejs.org/download/${disttype}/"

# If no recipes were passed via -r, build all recipes

if [ ${#recipes_to_build[@]} -eq 0 ]; then

recipes_to_build=("${recipes[@]}")

fi

# Setup thislogdir so logs can be placed there. See comment below for more info

thislogdir="${logdir}/$(date -u '%Y%m%d%H%M')-${fullversion}"

mkdir -p $thislogdir

echo "Logging to ${thislogdir}..."

# From here on, all stdout and stderr goes to ${thislogdir}/build.log so we can

# see it from the web @ unofficial-builds.nodejs.org/logs/

{

echo "Starting build @ $(date)"

sourcedir="${stagingdir}/src/${fullversion}"

mkdir -p $sourcedir

sourcefile="${sourcedir}/node-${fullversion}.tar.xz"

stagingoutdir="${stagingdir}/${disttype_promote}/${fullversion}"

mkdir -p $stagingoutdir

distdir_promote="${distdir}/${disttype_promote}"

distoutdir="${distdir_promote}/${fullversion}"

mkdir -p $distoutdir

# Build fetch-source, needs to be the first and must succeed

docker run --rm \

-v "${sourcedir}:/out" \

"${image_tag_pfx}fetch-source" \

"$unofficial_release_urlbase" "$disttype" "$customtag" "$datestring" "$commit" "$fullversion" "$source_url" "$source_urlbase" \

> "${thislogdir}/fetch-source.log" 2>&1

# Build all other recipes

for recipe in "${recipes_to_build[@]}"; do

# each recipe has 3 variable components:

# - individual ~/.ccache directory

# - a ~/node.tar.xz file that fetch-source has downloaded

# - an output /out directory that puts generated assets into a staging directory

ccachemount="${ccachedir}/${recipe}/:/home/node/.ccache/"

mkdir -p "${ccachedir}/${recipe}"

sourcemount="${sourcefile}:/home/node/node.tar.xz"

stagingmount="${stagingoutdir}:/out"

shouldbuild="${recipes_dir}/$recipe/should-build.sh"

if [ -f "$shouldbuild" ]; then

if ! "$shouldbuild" "$__dirname" "$fullversion"; then

continue

fi

fi

# each recipe logs to its own log file in the $thislogdir directory

docker run --rm \

-v "$ccachemount" -v "$sourcemount" -v "$stagingmount" \

"${image_tag_pfx}${recipe}" \

"$unofficial_release_urlbase" "$disttype" "$customtag" "$datestring" "$commit" "$fullversion" "$source_url" "$source_urlbase" \

> "${thislogdir}/${recipe}.log" 2>&1 || echo "Failed to build recipe for ${recipe}"

# Total runtime can be up to 10hr for a full recipe so do promotion and

# updateing of indexes after each build so dont have to wait for all builds

# to finish before consumers can use the assets

#

# promote all assets in staging

mv "${stagingoutdir}"/node-v* "${distoutdir}"

# generate SHASUM256.txt

(cd "$distoutdir" && shasum -a256 $(ls node* 2> /dev/null) > SHASUMS256.txt) || exit 1

echo "Generating indexes (this may error if there is no upstream tag for this build)"

# index.json and index.tab

npm exec nodejs-dist-indexer@${dist_indexer_version} --yes -- --dist "$distdir_promote" --indexjson "${distdir_promote}/index.json" --indextab "${distdir_promote}/index.tab" || true

done

echo "Finished build @ $(date)"

} > "${thislogdir}/build.log" 2>&1