`nvm use --save` and `nvm install --save` wrote the version to `$PWD/.nvmrc` with `tee`,
which follows a symlink,
so a repository that commits `.nvmrc` as a symlink to a path outside itself made `--save` truncate any file the user can write
(eg, a shell startup file or `~/.ssh/authorized_keys`)
and replace it with the version string,
or create the target of a dangling link.
The link itself was left in place, so `git status` stayed clean.
`nvm_write_nvmrc` now refuses, with a warning, when `.nvmrc` in the current directory is a symlink,
dangling or not.
Jordan Harband
3f8411e58d