node-install

#!/bin/bash

while getopts fh OPT
do
    case $OPT in
        "f") FLAG_FORCE="TRUE" ;;
        "h") FLAG_HELP="TRUE" ;;
        * ) FLAG_HELP="TRUE" ;;
    esac
done
shift `expr $OPTIND - 1`

TARGET_VERSION="$1"
LOCATION="$2"
ARCH="$3"

if [ "x"$FLAG_HELP != "x" -o "x$LOCATION" = "x" ]; then
    echo "[usage] node-install [-f] VERSION LOCATION [arch]"
    echo "  ex: node-install v0.10.26 ~/local/node-v0.10"
    echo "  ex: node-install v0.10.26 ~/local/node-v0.10 darwin-x86"
    echo "  default arch is 'linux-x64' or 'linux-arm64' based on \$(arch)"
    echo ""
    echo "  for io.js:"
    echo "  ex: node-install iojs-v1.2.0 ~/local/iojs-v.1.2.0"
    echo "  ex: node-install iojs-v1.2.0 ~/local/iojs-v.1.2.0 darwin-x64"

    exit 0
fi

if [ "x$ARCH" = "x" ]; then
    if [ "x$(arch)" = "xaarch64" ]; then
        ARCH="linux-arm64"
    else
        ARCH="linux-x64"
    fi
fi

cd $(dirname $0)

if [ "x"$FLAG_FORCE = "x" -a -d "$LOCATION" -a -x "$LOCATION/bin/node" ]; then
    current_ver=$("$LOCATION"/bin/node -v)
    if [ "x$current_ver" = "x$TARGET_VERSION" ]; then
        echo "node $TARGET_VERSION already installed on $LOCATION"
        echo "To do force re-install, use '-f' option"
        exit 0
    fi
fi

if [ "${TARGET_VERSION:0:5}" == "iojs-" ]; then
    IOJS_TARGET_VERSION="${TARGET_VERSION#iojs-}"

    ARCHIVE_FILENAME="iojs-$IOJS_TARGET_VERSION-$ARCH.tar.gz"
    ARCHIVE_DIRNAME="iojs-$IOJS_TARGET_VERSION-$ARCH"
    ARCHIVE_URL="https://iojs.org/dist/$IOJS_TARGET_VERSION/$ARCHIVE_FILENAME"
else
    ARCHIVE_FILENAME="node-$TARGET_VERSION-$ARCH.tar.gz"
    ARCHIVE_DIRNAME="node-$TARGET_VERSION-$ARCH"
    ARCHIVE_URL="https://nodejs.org/dist/$TARGET_VERSION/$ARCHIVE_FILENAME"
fi

set -e
mkdir -p var/node-archive
cd var/node-archive
curl -s -O $ARCHIVE_URL

cd ..
tar xzf node-archive/"$ARCHIVE_FILENAME"

if [ -d "$LOCATION" ]; then
    [[ -d "$LOCATION.replaced" ]] && rm -rf "$LOCATION.replaced"
    mv "$LOCATION" "$LOCATION.replaced"
else
    mkdir -p "$LOCATION" && rmdir "$LOCATION"
fi
mv "$ARCHIVE_DIRNAME" "$LOCATION"

PATH="$LOCATION"/bin:$PATH "$LOCATION"/bin/npm install -g node-gyp > /tmp/$USER-node-install-npm.log 2>&1
if [ $? -ne 0 ]; then
    echo "npm install failed. see log /tmp/$USER-node-install-npm.log"
    exit 2
fi

echo "node $TARGET_VERSION successfully installed on $LOCATION"
echo "To use this node, do 'export PATH=$LOCATION/bin:\$PATH'."