From 3987fdcea6eb34bc6dfde7831adca7bab683bc0c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adrien=20Gallou=C3=ABt?= <angt@huggingface.co>
Date: Tue, 30 Sep 2025 15:46:43 +0200
Subject: [PATCH 1/2] common : disable progress bar without a tty
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Adrien Gallouët <angt@huggingface.co>
---
 common/arg.cpp | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/common/arg.cpp b/common/arg.cpp
index ef8a1a0f1224c..79c2d0b82ce6f 100644
--- a/common/arg.cpp
+++ b/common/arg.cpp
@@ -100,6 +100,14 @@ static void write_file(const std::string & fname, const std::string & content) {
     }
 }
 
+static bool is_output_a_tty() {
+#if defined(_WIN32)
+    return _isatty(_fileno(stdout));
+#else
+    return isatty(1);
+#endif
+}
+
 common_arg & common_arg::set_examples(std::initializer_list<enum llama_example> examples) {
     this->examples = std::move(examples);
     return *this;
@@ -660,7 +668,11 @@ static std::string show_masked_url(const common_url & parts) {
     return parts.scheme + "://" + (parts.user.empty() ? "" : "****:****@") + parts.host + parts.path;
 }
 
-static void print_progress(size_t current, size_t total) { // TODO isatty
+static void print_progress(size_t current, size_t total) {
+    if (!is_output_a_tty()) {
+        return;
+    }
+
     if (!total) {
         return;
     }

From d81d18a30b50e820306fcb37880434dc4f11b8bc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adrien=20Gallou=C3=ABt?= <angt@huggingface.co>
Date: Tue, 30 Sep 2025 16:55:38 +0200
Subject: [PATCH 2/2] Add missing headers
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Adrien Gallouët <angt@huggingface.co>
---
 common/arg.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/common/arg.cpp b/common/arg.cpp
index 79c2d0b82ce6f..172f1e3322796 100644
--- a/common/arg.cpp
+++ b/common/arg.cpp
@@ -54,6 +54,13 @@
 #endif
 #define LLAMA_MAX_URL_LENGTH 2084 // Maximum URL Length in Chrome: 2083
 
+// isatty
+#if defined(_WIN32)
+#include <io.h>
+#else
+#include <unistd.h>
+#endif
+
 using json = nlohmann::ordered_json;
 
 std::initializer_list<enum llama_example> mmproj_examples = {