show contents for symlink folders(fix #345)

src/display.rs

@@ -66,7 +66,10 @@ fn inner_display_grid(
     // print the files first.
     for meta in metas {
         // Maybe skip showing the directory meta now; show its contents later.
-        if let (true, FileType::Directory { .. }) = (skip_dirs, meta.file_type) {
+        if skip_dirs
+            && (matches!(meta.file_type, FileType::Directory{..})
+                || matches!(meta.file_type, FileType::SymLink { is_dir: true }))
+        {
             continue;
         }
 
@@ -221,7 +224,10 @@ fn should_display_folder_path(depth: usize, metas: &[Meta]) -> bool {
     } else {
         let folder_number = metas
             .iter()
-            .filter(|x| matches!(x.file_type, FileType::Directory { .. }))
+            .filter(|x| {
+                matches!(x.file_type, FileType::Directory { .. })
+                    || matches!(x.file_type, FileType::SymLink { is_dir: true })
+            })
             .count();
 
         folder_number > 1 || folder_number < metas.len()

src/meta/mod.rs

@@ -63,6 +63,7 @@ impl Meta {
 
         match self.file_type {
             FileType::Directory { .. } => (),
+            FileType::SymLink { is_dir: true } => (),
             _ => return Ok(None),
         }
 

tests/integration.rs

@@ -204,6 +204,21 @@ fn test_dereference_link_right_type_and_no_link() {
         .stdout(predicate::str::contains(link_icon).not());
 }
 
+#[cfg(unix)]
+#[test]
+fn test_show_folder_content_of_symlink() {
+    let dir = tempdir();
+    dir.child("target").child("inside").touch().unwrap();
+    let link = dir.path().join("link");
+    fs::symlink("target", &link).unwrap();
+
+    cmd()
+        .arg(link)
+        .assert()
+        .stdout(predicate::str::starts_with("link").not())
+        .stdout(predicate::str::starts_with("inside"));
+}
+
 fn cmd() -> Command {
     Command::cargo_bin(env!("CARGO_PKG_NAME")).unwrap()
 }