Cool bash one-liner run to migrate/upgrade the yarn version to 2+

Migrating_yarn.md

Automation of Yarn migration to v2

Update your global yarn to v2 (berry) with error handling and logs. It covers the entire process, from updating npm config files to committing changes and updating the lockfile.

I'm open to improvements

PD: It basically automates (https://yarnpkg.com/getting-started/migration)

upgrade_yarn.sh

#!/bin/bash

echo "[ * ] Updating global yarn version to latest v2 (berry)..."
if ! npm install -g yarn; then
  echo "[ ! ] Failed to install yarn globally"
  exit 1
fi
if ! yarn set version berry; then
  echo "[ ! ] Failed to set yarn version to berry"
  exit 1
fi

echo "\n[ * ] Converting npm config files to new format..."
if ! rm -rf .npmrc; then
  echo "[ ! ] Failed to remove .npmrc file"
  exit 1
fi
if ! touch .yarnrc.yml; then
  echo "[ ! ] Failed to create .yarnrc.yml file"
  exit 1
fi

echo "\n[ * ] Configuring nodeLinker in .yarnrc.yml file..."
if ! echo "nodeLinker: node-modules" >> .yarnrc.yml; then
  echo "[ ! ] Failed to add nodeLinker config to .yarnrc.yml file"
  exit 1
fi

echo "\n[ * ] Adding .yarn/cache to .gitignore..."
if ! echo "
.pnp.
.yarn/*
!.yarn/patches
!.yarn/plugins
!.yarn/releases
!.yarn/sdks
!.yarn/versions" >> .gitignore; then
  echo "[ ! ] Failed to add .yarn/cache to .gitignore file"
  exit 1
fi

echo "\n[ * ] Importing yarn plugins..."
if ! yarn plugin import interactive-tools; then
  echo "[ ! ] Failed to import yarn plugins"
  exit 1
fi

echo "\n[ * ] Committing all changes..."
if ! git add .; then
  echo "[ ! ] Failed to stage changes"
  exit 1
fi
if ! git commit -m "Migrate to yarn v2 (berry)"; then
  echo "[ ! ] Failed to commit changes"
  exit 1
fi

echo "\n[ * ] Running yarn install to update the lockfile..."
if ! yarn install; then
  echo "[ ! ] Failed to run yarn install"
  exit 1
fi

echo "\n[ * ] All steps complete!"