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Attempted to install Homebrew with the following command:

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Received this error:

fatal: unable to access 'https://github.com/Homebrew/homebrew/': SSL: Can't find the certificate "kgreenwood" and its private key in the Keychain.

Attempted to work on something else, discovered that I couldn't clone from git with HTTPS anymore. I generated an SSH keypair (disclaimer: I know almost nothing about certificates) and can now clone using SSH URLs.

I assume the issue is that the Homebrew installation command uses an HTTPS url. Is there some way I can force it to use SSH instead? I've tried "untar anywhere" alternative solution in their guide (typing mkdir homebrew && curl -L https://github.com/Homebrew/homebrew/tarball/master | tar xz --strip 1 -C homebrew in /usr/local) but I keep getting:

brew: command not found

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  • Try building it from source by adding the --build-from-source flag when calling brew install.
    – kkmonlee
    Commented Aug 14, 2015 at 10:30
  • Regarding the brew: command not found error you have to add /usr/local/bin in your PATH. In your ~/.bashrc add the following: export PATH="/usr/local/bin:$PATH".
    – bfontaine
    Commented Aug 14, 2015 at 10:45

2 Answers 2

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you can use ssh instead, as always on github.

clone it into any location.

git clone [email protected]:Homebrew/homebrew

then adapt PATH. insert into .bashrc

export PATH=/path/to/homebrew-dir/bin:$PATH

then, do a brew update and brew doctor.

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  • Regarding the “any location” part it’s always better to clone it in /usr/local. Homebrew will work if it’s installed in another place but some formulae won’t be available as bottles (= pre-compiled binaries).
    – bfontaine
    Commented Aug 14, 2015 at 10:46
  • Oh.... yes, I missed that
    – Schwertspize
    Commented Aug 14, 2015 at 11:13
  • Wow of course. I was making that way harder than it had to be. I convinced myself that because I didn't know what "tarball" or "ruby -e "$(curl -fsSL etc" meant that it must have been more complicated than just cloning it from github. I originally had export PATH="/usr/local/bin:$PATH" in my .bash_profile. Just tried putting it in .bashrc but am still getting brew: command not found. Does the order matter? I have a few other things in there from RVM and Heroku Toolbelt.
    – kgreenwood
    Commented Aug 14, 2015 at 14:17
  • if you use mdfind -name brew, what is the output? I don't think it's /usr/local/bin. more like /usr/local/homebrew/bin but you have to try.
    – Schwertspize
    Commented Aug 14, 2015 at 15:27
  • ps: tarball is a tar bundles archive (mostly .tar.gz the curl etc... inside the brackets downloades an install script and ruby -e executes it. but that is one of the reasons why I like homebrew more than MacPorts. you can simply clone a git repo and fix path. brew update does not much more than save changes and git pull
    – Schwertspize
    Commented Aug 14, 2015 at 15:33
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According to this post, most likely it's misconfiguration of your ~/.gitconfig.

Check for sslCert and sslVerify options and adjust the settings accordingly or remove them.

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