Add explicit environment propagation

src/config.rs

@@ -34,6 +34,8 @@ pub struct ServerConfig {
     pub allow_remote_forwarding: bool,
     #[serde(default)]
     pub allow_agent_forwarding: bool,
+    #[serde(default = "default_accept_env")]
+    pub accept_env: Vec<String>,
 }
 
 impl Default for ServerConfig {
@@ -60,6 +62,7 @@ impl Default for ServerConfig {
             allow_tcp_forwarding: true,
             allow_remote_forwarding: false,
             allow_agent_forwarding: false,
+            accept_env: default_accept_env(),
         }
     }
 }
@@ -94,6 +97,10 @@ pub struct ClientConfig {
     pub use_ssh_agent: bool,
     #[serde(default)]
     pub forward_agent: bool,
+    #[serde(default = "default_send_env")]
+    pub send_env: Vec<String>,
+    #[serde(default)]
+    pub set_env: HashMap<String, String>,
 }
 
 #[derive(Debug, Clone, Default, Serialize, Deserialize)]
@@ -104,6 +111,10 @@ pub struct HostConfig {
     pub ssh_port: Option<u16>,
     pub default_command: Option<String>,
     pub predict: Option<bool>,
+    #[serde(default)]
+    pub send_env: Option<Vec<String>>,
+    #[serde(default)]
+    pub set_env: HashMap<String, String>,
 }
 
 #[derive(Debug, Clone, Default, Serialize, Deserialize)]
@@ -135,6 +146,8 @@ impl Default for ClientConfig {
             identity_files: default_identity_files(),
             use_ssh_agent: true,
             forward_agent: false,
+            send_env: default_send_env(),
+            set_env: HashMap::new(),
         }
     }
 }
@@ -174,6 +187,19 @@ fn default_identity_files() -> Vec<String> {
     vec!["~/.ssh/id_ed25519".to_string()]
 }
 
+fn default_send_env() -> Vec<String> {
+    vec![
+        "LANG".to_string(),
+        "LC_*".to_string(),
+        "TERM".to_string(),
+        "COLORTERM".to_string(),
+    ]
+}
+
+fn default_accept_env() -> Vec<String> {
+    default_send_env()
+}
+
 pub fn load_server_config(path: Option<PathBuf>) -> Result<ServerConfig> {
     let path = path.unwrap_or_else(|| expand_tilde("~/.config/dosh/server.toml"));
     if !path.exists() {