Only `nvm install` if we can't `nvm use`#1378

Merged

ljharb merged 1 commit intonvm-sh:masterfrom lukechilds:auto-use

Jan 5, 2017

+3-1

Commits on Dec 19, 2016

[Docs] [Fix] zsh autochange: only nvm install if we can’t nvm use

butlerx
authored and
ljharb
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