fix: Instead of copying the file pointed to by the symlink ...

... create a symlink to the original path under the pasted path

See #433

yazi-shared/src/fs/fns.rs

@@ -1,7 +1,14 @@
-use std::{collections::VecDeque, path::{Path, PathBuf}};
+use std::{
+	collections::VecDeque,
+	path::{Path, PathBuf},
+};
 
 use anyhow::Result;
-use tokio::{fs, io, select, sync::{mpsc, oneshot}, time};
+use tokio::{
+	fs, io, select,
+	sync::{mpsc, oneshot},
+	time,
+};
 
 pub async fn calculate_size(path: &Path) -> u64 {
 	let mut total = 0;
@@ -38,15 +45,23 @@ pub async fn calculate_size(path: &Path) -> u64 {
 pub fn copy_with_progress(from: &Path, to: &Path) -> mpsc::Receiver<Result<u64, io::Error>> {
 	let (tx, rx) = mpsc::channel(1);
 	let (tick_tx, mut tick_rx) = oneshot::channel();
+	let is_symlink = from.is_symlink();
 
 	tokio::spawn({
 		let (from, to) = (from.to_path_buf(), to.to_path_buf());
 
 		async move {
-			_ = match fs::copy(from, to).await {
+			if is_symlink {
-				Ok(len) => tick_tx.send(Ok(len)),
+				_ = match fs::symlink(from, to).await {
-				Err(e) => tick_tx.send(Err(e)),
+					Ok(()) => tick_tx.send(Ok(1)),
-			};
+					Err(e) => tick_tx.send(Err(e)),
+				}
+			} else {
+				_ = match fs::copy(from, to).await {
+					Ok(len) => tick_tx.send(Ok(len)),
+					Err(e) => tick_tx.send(Err(e)),
+				};
+			}
 		}
 	});
 
@@ -79,7 +94,12 @@ pub fn copy_with_progress(from: &Path, to: &Path) -> mpsc::Receiver<Result<u64,
 					None => {}
 				}
 
-				let len = fs::symlink_metadata(&to).await.map(|m| m.len()).unwrap_or(0);
+				let len = if is_symlink {
+					1
+				} else {
+					fs::symlink_metadata(&to).await.map(|m| m.len()).unwrap_or(0)
+				};
+
 				if len > last {
 					tx.send(Ok(len - last)).await.ok();
 					last = len;
@@ -95,7 +115,10 @@ pub fn copy_with_progress(from: &Path, to: &Path) -> mpsc::Receiver<Result<u64,
 #[cfg(unix)]
 #[allow(clippy::collapsible_else_if)]
 pub fn permissions(mode: u32) -> String {
-	use libc::{mode_t, S_IFBLK, S_IFCHR, S_IFDIR, S_IFIFO, S_IFLNK, S_IFMT, S_IFSOCK, S_IRGRP, S_IROTH, S_IRUSR, S_ISGID, S_ISUID, S_ISVTX, S_IWGRP, S_IWOTH, S_IWUSR, S_IXGRP, S_IXOTH, S_IXUSR};
+	use libc::{
+		mode_t, S_IFBLK, S_IFCHR, S_IFDIR, S_IFIFO, S_IFLNK, S_IFMT, S_IFSOCK, S_IRGRP, S_IROTH,
+		S_IRUSR, S_ISGID, S_ISUID, S_ISVTX, S_IWGRP, S_IWOTH, S_IWUSR, S_IXGRP, S_IXOTH, S_IXUSR,
+	};
 
 	let mut s = String::with_capacity(10);
 	let m = mode as mode_t;
@@ -115,27 +138,51 @@ pub fn permissions(mode: u32) -> String {
 	s.push(if m & S_IRUSR != 0 { 'r' } else { '-' });
 	s.push(if m & S_IWUSR != 0 { 'w' } else { '-' });
 	s.push(if m & S_IXUSR != 0 {
-		if m & S_ISUID != 0 { 's' } else { 'x' }
+		if m & S_ISUID != 0 {
+			's'
+		} else {
+			'x'
+		}
 	} else {
-		if m & S_ISUID != 0 { 'S' } else { '-' }
+		if m & S_ISUID != 0 {
+			'S'
+		} else {
+			'-'
+		}
 	});
 
 	// Group
 	s.push(if m & S_IRGRP != 0 { 'r' } else { '-' });
 	s.push(if m & S_IWGRP != 0 { 'w' } else { '-' });
 	s.push(if m & S_IXGRP != 0 {
-		if m & S_ISGID != 0 { 's' } else { 'x' }
+		if m & S_ISGID != 0 {
+			's'
+		} else {
+			'x'
+		}
 	} else {
-		if m & S_ISGID != 0 { 'S' } else { '-' }
+		if m & S_ISGID != 0 {
+			'S'
+		} else {
+			'-'
+		}
 	});
 
 	// Other
 	s.push(if m & S_IROTH != 0 { 'r' } else { '-' });
 	s.push(if m & S_IWOTH != 0 { 'w' } else { '-' });
 	s.push(if m & S_IXOTH != 0 {
-		if m & S_ISVTX != 0 { 't' } else { 'x' }
+		if m & S_ISVTX != 0 {
+			't'
+		} else {
+			'x'
+		}
 	} else {
-		if m & S_ISVTX != 0 { 'T' } else { '-' }
+		if m & S_ISVTX != 0 {
+			'T'
+		} else {
+			'-'
+		}
 	});
 
 	s