npm-proxy-time-machine/start.sh

#!/bin/bash

# Example:
# ./start.sh --date=2021-12-05

PORT="9000"
PROXY_URL="http://localhost:$PORT/"
BIN_FILE="./nptm"

CURRENT_REGISTRY=$(npm config get registry)
echo "Current registry: $CURRENT_REGISTRY"

cleanup() {
    echo ""
    echo "----------------------------------------"
    echo "Shutdown..."
    echo "Restore npm configuration..."
    npm config set registry "$CURRENT_REGISTRY"
    echo "Registry restored: $(npm config get registry)"
}

trap cleanup EXIT

echo "Switching npm to port $PORT ($PROXY_URL)"
npm config set registry "$PROXY_URL"

echo "Starting Time Machine on port $PORT..."
echo "----------------------------------------"

"$BIN_FILE" --port="$PORT" "$@"