Update SystemInfo to support username and shell

Cargo.lock

@@ -779,6 +779,7 @@ dependencies = [
  "tokio",
  "tokio-util",
  "walkdir",
+ "whoami",
  "winsplit",
 ]
 

distant-core/Cargo.toml

@@ -35,6 +35,7 @@ strum = { version = "0.24.1", features = ["derive"] }
 tokio = { version = "1.20.1", features = ["full"] }
 tokio-util = { version = "0.7.3", features = ["codec"] }
 walkdir = "2.3.2"
+whoami = "1.2.1"
 winsplit = "0.1.0"
 
 # Optional dependencies based on features

distant-core/src/api/local.rs

@@ -2125,6 +2125,12 @@ mod tests {
                 arch: std::env::consts::ARCH.to_string(),
                 current_dir: std::env::current_dir().unwrap_or_default(),
                 main_separator: std::path::MAIN_SEPARATOR,
+                username: whoami::username(),
+                shell: if cfg!(windows) {
+                    std::env::var("ComSpec").unwrap_or_else(|_| String::from("cmd.exe"))
+                } else {
+                    std::env::var("SHELL").unwrap_or_else(|_| String::from("/bin/sh"))
+                }
             }
         );
     }

distant-core/src/data/system.rs

@@ -23,6 +23,12 @@ pub struct SystemInfo {
     /// Primary separator for path components for the current platform
     /// as defined in https://doc.rust-lang.org/std/path/constant.MAIN_SEPARATOR.html
     pub main_separator: char,
+
+    /// Name of the user running the server process
+    pub username: String,
+
+    /// Default shell tied to user running the server process
+    pub shell: String,
 }
 
 #[cfg(feature = "schemars")]
@@ -40,6 +46,12 @@ impl Default for SystemInfo {
             arch: env::consts::ARCH.to_string(),
             current_dir: env::current_dir().unwrap_or_default(),
             main_separator: std::path::MAIN_SEPARATOR,
+            username: whoami::username(),
+            shell: if cfg!(windows) {
+                env::var("ComSpec").unwrap_or_else(|_| String::from("cmd.exe"))
+            } else {
+                env::var("SHELL").unwrap_or_else(|_| String::from("/bin/sh"))
+            },
         }
     }
 }

distant-ssh2/src/api.rs

@@ -837,6 +837,11 @@ impl DistantApi for SshDistantApi {
             arch: "".to_string(),
             current_dir,
             main_separator: if is_windows { '\\' } else { '/' },
+
+            // TODO: We should be able to calculate these once the problem described with SIGPIPE
+            //       is resolved, but for now we will just return empty strings
+            username: "".to_string(),
+            shell: "".to_string(),
         })
     }
 }

src/cli/commands/client/format.rs

@@ -301,16 +301,20 @@ fn format_shell(data: DistantResponseData) -> Output {
             arch,
             current_dir,
             main_separator,
+            username,
+            shell,
         }) => Output::StdoutLine(
             format!(
                 concat!(
-                    "Family: {:?}\n",
-                    "Operating System: {:?}\n",
-                    "Arch: {:?}\n",
-                    "Cwd: {:?}\n",
+                    "Family: {:?}",
+                    "Operating System: {:?}",
+                    "Arch: {:?}",
+                    "Cwd: {:?}",
                     "Path Sep: {:?}",
+                    "Username: {:?}",
+                    "Shell: {:?}"
                 ),
-                family, os, arch, current_dir, main_separator,
+                family, os, arch, current_dir, main_separator, username, shell
             )
             .into_bytes(),
         ),