feat: Added new environment variable to force showing tool call logging when not in a tty

src/function/mod.rs

@@ -1485,7 +1485,10 @@ impl ToolCall {
         let json_data = self.parse_arguments()?;
         let cmd_name = self.name.as_str();
         let quiet = ctx.current_depth > 0;
-        if *IS_STDOUT_TERMINAL && ctx.current_depth == 0 && !HEADLESS.load(Ordering::SeqCst) {
+        if (*IS_STDOUT_TERMINAL || *SHOW_TOOL_CALLS)
+            && ctx.current_depth == 0
+            && !HEADLESS.load(Ordering::SeqCst)
+        {
             println!(
                 "{}",
                 format_call_log(cmd_name, &[json_data.to_string()], &json_data)
@@ -1562,7 +1565,10 @@ impl ToolCall {
 
         cmd_args.push(json_data.to_string());
 
-        if *IS_STDOUT_TERMINAL && current_depth == 0 && !HEADLESS.load(Ordering::SeqCst) {
+        if (*IS_STDOUT_TERMINAL || *SHOW_TOOL_CALLS)
+            && current_depth == 0
+            && !HEADLESS.load(Ordering::SeqCst)
+        {
             println!("{}", format_call_log(&cmd_name, &cmd_args, &json_data));
         }
 

src/utils/mod.rs

@@ -47,6 +47,12 @@ pub static CODE_BLOCK_RE: LazyLock<Regex> =
 pub static THINK_TAG_RE: LazyLock<Regex> =
     LazyLock::new(|| Regex::new(r"(?s)^\s*<think>.*?</think>(\s*|$)").unwrap());
 pub static IS_STDOUT_TERMINAL: LazyLock<bool> = LazyLock::new(|| io::stdout().is_terminal());
+pub static SHOW_TOOL_CALLS: LazyLock<bool> = LazyLock::new(|| {
+    env::var(get_env_name("show_tool_calls"))
+        .ok()
+        .and_then(|v| parse_bool(&v))
+        .unwrap_or_default()
+});
 pub static HEADLESS: AtomicBool = AtomicBool::new(false);
 pub static ACP_SERVER: AtomicBool = AtomicBool::new(false);