feat(ssh): add configuration#175
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water-sucks merged 1 commit intonix-community:mainfrom Feb 16, 2026
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- Add a setting to specify the path to the known hosts file - Allow obtaining private keys via a command instead of the ssh agent - Add partial support for the `NIX_SSHOPTS` environment variable
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This is amazing! Glad the SSH support is getting some love.
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Add a setting to specify the path to the known hosts file
I need this since I use
programs.ssh.knownHoststo set up known hosts, which stores them in/etc/ssh/ssh_known_hosts, and extra known hosts files can be set withprograms.ssh.knownHostsFiles. This setting could be improved by making it a list of files that are checked in order, but for now I think it's enough.Allow obtaining private keys via a command instead of the ssh agent
Instead of an ssh agent, I use Bitwarden to store my ssh keys and rbw to access them on the command line. I've used
memfd_createto store the key in a volatile anonymous file for automatic cleanup.Add partial support for the
NIX_SSHOPTSenvironment variableSetting this is necessary to support passing the private keys obtained via
ssh.private_key_cmdto thesshcommand run bynix-copy-closure. So adding support for users to set it directly seems natural. It's not full support since it's only used withnix-copy-closure.