Rename setups and add provider reauthentication

server/src/session/transport.rs

@@ -97,7 +97,7 @@ pub enum Transport {
     Here,
     /// Reached with the system `ssh` client. Owns its entry rather than
     /// borrowing it, so a session keeps working against the config it was
-    /// spawned with even if the setup is edited afterwards.
+    /// spawned with even if the machine is edited afterwards.
     Ssh { name: String, ssh: SshConfig },
 }
 
@@ -179,11 +179,11 @@ impl Transport {
         }
     }
 
-    /// The transport a setup describes; a setup with no `ssh` is here.
-    pub fn for_setup(setup: &crate::config::SetupConfig) -> Self {
-        match &setup.ssh {
+    /// The transport a machine describes; a machine with no `ssh` is here.
+    pub fn for_machine(machine: &crate::config::MachineConfig) -> Self {
+        match &machine.ssh {
             Some(ssh) => Self::Ssh {
-                name: setup.name.clone(),
+                name: machine.name.clone(),
                 ssh: ssh.clone(),
             },
             None => Self::Here,