Yarn install is hanging in offline mode. Dependencies are in local file system configured through "yarn-offline-mirror" . The server don't have access to the internet.
Commands used to set yarn to offline:
yarn config set yarn-offline-mirror /Users/xxx/npm-packages-offline-cache
yarn config set yarn-offline-mirror-pruning true
mv ~/.yarnrc ./
yarn install hangs at "Building fresh packages..." forever.
