Expand Windows-style tilde paths

src/config.rs

@@ -325,9 +325,17 @@ pub fn load_hosts_config(path: Option<PathBuf>) -> Result<HostsConfig> {
 }
 
 pub fn expand_tilde(path: &str) -> PathBuf {
-    if let Some(rest) = path.strip_prefix("~/")
+    let rest = if path == "~" {
+        Some("")
+    } else {
+        path.strip_prefix("~/").or_else(|| path.strip_prefix("~\\"))
+    };
+    if let Some(rest) = rest
         && let Some(home) = dirs::home_dir()
     {
+        if rest.is_empty() {
+            return home;
+        }
         return home.join(rest);
     }
     PathBuf::from(path)
@@ -335,7 +343,8 @@ pub fn expand_tilde(path: &str) -> PathBuf {
 
 #[cfg(test)]
 mod tests {
-    use super::{ClientConfig, ServerConfig};
+    use super::{ClientConfig, ServerConfig, expand_tilde};
+    use std::path::PathBuf;
 
     #[test]
     fn old_client_configs_fill_new_fields_from_defaults() {
@@ -360,6 +369,20 @@ dosh_port = 50000
         assert!(config.send_env.iter().any(|value| value == "TERM"));
     }
 
+    #[test]
+    fn expand_tilde_handles_unix_and_windows_separators() {
+        let Some(home) = dirs::home_dir() else {
+            return;
+        };
+        assert_eq!(expand_tilde("~"), home);
+        assert_eq!(expand_tilde("~/one/two"), home.join("one/two"));
+        assert_eq!(expand_tilde("~\\one\\two"), home.join("one\\two"));
+        assert_eq!(
+            expand_tilde("relative/path"),
+            PathBuf::from("relative/path")
+        );
+    }
+
     #[test]
     fn old_server_configs_fill_new_fields_from_defaults() {
         let raw = r#"