Files
nix/lib/fetchers/sshKnownHosts/default.nix
2025-02-25 12:28:22 +00:00

34 lines
647 B
Nix

{ pkgs, ... }:
pkgs.lib.fetchers.withNormalizedHash { } (
{
host,
name ? "ssh-known-hosts-${host}",
outputHash,
outputHashAlgo,
port ? 22,
keyTypes ? [
"rsa"
"ecdsa"
"ed25519"
],
}:
let
keyTypeArgs = pkgs.lib.concatStringsSep "," keyTypes;
in
pkgs.runCommand name
{
inherit outputHash outputHashAlgo;
outputHashMode = "flat";
preferLocalBuild = true;
nativeBuildInputs = with pkgs; [
openssh
gnugrep
coreutils
];
}
''
ssh-keyscan -p ${toString port} -t ${keyTypeArgs} ${host} | grep -v '^#' | sort > $out
''
)