Jacob Tomaw 1ba0af650a Use safer append to hook function arrays (#8406)
Use add-zsh-hook to add functions to hooks. That way they won't be added again
when doing `source ~/.zshrc` multiple times.

Co-authored-by: Marc Cornellà <marc.cornella@live.com>
2019-11-19 18:47:12 +01:00
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