update: don't install zsh if it's not installed
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@ -17,10 +17,12 @@ git pull
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echo-g "==> Updating installed packages"
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pkg-update
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if command_exists zsh; then
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echo-g "==> Updating zsh, rvm and vim"
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# Then the rest
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install/zsh
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echo
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fi
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# Only update rvm is it is installed
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if is_mac && command_exists rvm; then
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