ssh-tpm-agent: install man pages

pkgs/by-name/ss/ssh-tpm-agent/package.nix

@@ -3,6 +3,8 @@
   buildGoModule,
   fetchFromGitHub,
   nix-update-script,
+  installShellFiles,
+  asciidoctor,
   openssh,
   openssl,
 }:
@@ -22,13 +24,14 @@ buildGoModule (finalAttrs: {
 
   vendorHash = "sha256-N7JuMUy5Z+HVhxsqESlBkHcHVipRYM8ncx/wR77k1fw=";
 
-  buildInputs = [
-    openssl
+  nativeBuildInputs = [
+    installShellFiles
+    asciidoctor
   ];
 
-  nativeCheckInputs = [
-    openssh
-  ];
+  buildInputs = [ openssl ];
+
+  nativeCheckInputs = [ openssh ];
 
   # disable broken tests, see https://github.com/NixOS/nixpkgs/pull/394097
   preCheck = ''
@@ -37,6 +40,11 @@ buildGoModule (finalAttrs: {
     substituteInPlace internal/keyring/threadkeyring_test.go --replace-fail ENOKEY ENOENT
   '';
 
+  postInstall = ''
+    make man
+    installManPage man/*.1
+  '';
+
   passthru.updateScript = nix-update-script { };
 
   meta = {