forge fmt
Format Solidity source files
$ forge fmt --help
Usage: forge fmt [OPTIONS] [PATH]...
Arguments:
  [PATH]...
          Path to the file, directory or '-' to read from stdin
Options:
      --root <PATH>
          The project's root path.
          
          By default root of the Git repository, if in one, or the current
          working directory.
      --check
          Run in 'check' mode.
          
          Exits with 0 if input is formatted correctly. Exits with 1 if
          formatting is required.
  -r, --raw
          In 'check' and stdin modes, outputs raw formatted code instead of the
          diff
  -h, --help
          Print help (see a summary with '-h')