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I'm writing a cronjob that will git fetch. I have a private key that I often use for authenticated git things (like github) which has a passphrase on it, but this specific git fetch doesn't need the key. My key is saved in the normal location of .ssh/id_rsa. Everything is wonderful when I have an ssh-agent running, but my cronjob doesn't have that luxury.

I've tried GIT_ASKPASS=echo git fetch but that just fails the passkey and won't fetch the repo.

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You can use a ~/.ssh/config file in order to specify a different set of public and private key:

Host anEntry
User yourLogin
Hostname SSH IP address --eg 192.68.24.1
IdentityFile "path to your private ssh key without passphrase"

You would then use an ssh url like:

git fetch anEntry:yourRepo
  • Can I force it to not use any key since this repo doesn't need one? – Paul Tarjan Oct 23 '13 at 7:43
  • @PaulTarjan Is the url for this repo an ssh one? – VonC Oct 23 '13 at 7:44
  • yes, otherwise my cronjob wouldn't be trying my key, right? – Paul Tarjan Oct 23 '13 at 8:06
  • @PaulTarjan then you need a public/private (not passphrase-protected) key, and you need that public key to be registered in the ~git/.ssh/authorized_keys file. – VonC Oct 23 '13 at 8:09

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