Disable the progress bar if $TERM == dumb or unset

Fixes NixOS#3363.
dtzWill · Feb 18, 2020 · d8fd31f · d8fd31f
1 parent 9af10b7
commit d8fd31f
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/nix/progress-bar.cc b/src/nix/progress-bar.cc
@@ -446,7 +446,9 @@ class ProgressBar : public Logger
 
 void startProgressBar(bool printBuildLogs)
 {
-    logger = new ProgressBar(printBuildLogs, isatty(STDERR_FILENO));
+    logger = new ProgressBar(
+        printBuildLogs,
+        isatty(STDERR_FILENO) && getEnv("TERM").value_or("dumb") != "dumb");
 }
 
 void stopProgressBar()