R""(
nix fmt
(an alias for nix formatter run
) calls the formatter specified in the flake.
Flags can be forwarded to the formatter by using --
followed by the flags.
Any arguments will be forwarded to the formatter. Typically these are the files to format.
The environment variable PRJ_ROOT
(according to prj-spec) will be set to the absolute path to the directory containing the closest parent flake.nix
relative to the current directory.
To use the official Nix formatter:
)""