Only disable links in VS code in the list

src/app_state.rs

@@ -1,5 +1,6 @@
 use anyhow::{bail, Context, Error, Result};
 use std::{
+    env,
     fs::{self, File},
     io::{Read, StdoutLock, Write},
     path::Path,
@@ -44,6 +45,8 @@ pub struct AppState {
     file_buf: Vec<u8>,
     official_exercises: bool,
     cmd_runner: CmdRunner,
+    // Running in VS Code.
+    vs_code: bool,
 }
 
 impl AppState {
@@ -131,6 +134,7 @@ impl AppState {
             file_buf: Vec::with_capacity(2048),
             official_exercises: !Path::new("info.toml").exists(),
             cmd_runner,
+            vs_code: env::var_os("TERM_PROGRAM").is_some_and(|v| v == "vscode"),
         };
 
         let state_file_status = slf.update_from_file();
@@ -163,6 +167,11 @@ impl AppState {
         &self.cmd_runner
     }
 
+    #[inline]
+    pub fn vs_code(&self) -> bool {
+        self.vs_code
+    }
+
     // Write the state file.
     // The file's format is very simple:
     // - The first line is a comment.
@@ -457,6 +466,7 @@ mod tests {
             file_buf: Vec::new(),
             official_exercises: true,
             cmd_runner: CmdRunner::build().unwrap(),
+            vs_code: false,
         };
 
         let mut assert = |done: [bool; 3], expected: [Option<usize>; 3]| {

src/list/state.rs

@@ -163,7 +163,13 @@ impl<'a> ListState<'a> {
             writer.write_str(exercise.name)?;
             writer.write_ascii(&self.name_col_padding[exercise.name.len()..])?;
 
+            // The list links aren't shown correctly in VS Code on Windows.
+            // But VS Code shows its own links anyway.
+            if self.app_state.vs_code() {
+                writer.write_str(exercise.path)?;
+            } else {
                 terminal_file_link(&mut writer, exercise.path, Color::Blue)?;
+            }
 
             next_ln(stdout)?;
             stdout.queue(ResetColor)?;

src/term.rs

@@ -1,6 +1,5 @@
 use std::{
-    cell::Cell,
-    env, fmt, fs,
+    fmt, fs,
     io::{self, BufRead, StdoutLock, Write},
 };
 
@@ -11,10 +10,6 @@ use crossterm::{
     Command, QueueableCommand,
 };
 
-thread_local! {
-    static VS_CODE: Cell<bool> = Cell::new(env::var_os("TERM_PROGRAM").is_some_and(|v| v == "vscode"));
-}
-
 pub struct MaxLenWriter<'a, 'b> {
     pub stdout: &'a mut StdoutLock<'b>,
     len: usize,
@@ -161,11 +156,6 @@ pub fn terminal_file_link<'a>(
     path: &str,
     color: Color,
 ) -> io::Result<()> {
-    // VS Code shows its own links. This also avoids some issues, especially on Windows.
-    if VS_CODE.get() {
-        return writer.write_str(path);
-    }
-
     let canonical_path = fs::canonicalize(path).ok();
 
     let Some(canonical_path) = canonical_path.as_deref().and_then(|p| p.to_str()) else {