How to use the @truffle/environment.Environment.fork function in @truffle/environment
To help you get started, we’ve selected a few @truffle/environment examples, based on popular ways it is used in public projects.
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trufflesuite / truffle / packages / core / lib / commands / migrate.js View on Github 
async function setupDryRunEnvironmentThenRunMigrations(config) {
await Environment.fork(config);
// Copy artifacts to a temporary directory
const temporaryDirectory = temp.mkdirSync("migrate-dry-run-");
await promisifiedCopy(
config.contracts_build_directory,
temporaryDirectory
);
config.contracts_build_directory = temporaryDirectory;
// Note: Create a new artifactor and resolver with the updated config.
// This is because the contracts_build_directory changed.
// Ideally we could architect them to be reactive of the config changes.
config.artifactor = new Artifactor(temporaryDirectory);
config.resolver = new Resolver(config);
return await runMigrations(config);@truffle/environment
This package contains the code needed to determine environment-specific data
