Merge pull request #13786 from ziglang/tty-detection

stage2: make --color on affect progress bar too

1 files changed, 10 insertions, 1 deletions

diff --git a/src/Compilation.zig b/src/Compilation.zig
index 3aa9663ed5..8249a8e9db 100644
--- a/src/Compilation.zig
+++ b/src/Compilation.zig
@@ -2358,7 +2358,16 @@ pub fn update(comp: *Compilation) !void {
     var progress: std.Progress = .{ .dont_print_on_dumb = true };
     const main_progress_node = progress.start("", 0);
     defer main_progress_node.end();
-    if (comp.color == .off) progress.terminal = null;
+    switch (comp.color) {
+        .off => {
+            progress.terminal = null;
+        },
+        .on => {
+            progress.terminal = std.io.getStdErr();
+            progress.supports_ansi_escape_codes = true;
+        },
+        .auto => {},
+    }
 
     try comp.performAllTheWork(main_progress_node);