{ ... }: { programs.ssh = { enable = true; matchBlocks = { "github.com" = { hostname = "github.com"; identityFile = "~/.ssh/shared_rsa"; user = "git"; }; "gitlab.com" = { hostname = "gitlab.com"; identityFile = "~/.ssh/shared_rsa"; user = "git"; }; "git.sr.ht" = { hostname = "git.sr.ht"; identityFile = "~/.ssh/shared_rsa"; user = "git"; }; porthos = { hostname = "91.121.177.163"; identityFile = "~/.ssh/shared_rsa"; user = "ambroisie"; }; }; extraConfig = '' AddKeysToAgent yes ''; }; }