$ rvm repair {symlinks,environments,archives,all}
Runs the repair process(es) against given parts of rvm.
Examples:
To regenerate all of the environment files inside your rvm/environments directory, you would run:
$ rvm repair environments
To check for stale symlinks caused by rvm in your rvm_bin_path, you would run:
$ rvm repair symlinks
To verify all downloaded archives have the correct md5, you would run:
$ rvm repair archives
Or, to do all of the above, you can run:
$ rvm repair all