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

Fixes NixOS#3363. (cherry picked from commit d8fd31f)
dtzWill · Feb 18, 2020 · 2f0122b · 2f0122b
1 parent db3d3a5
commit 2f0122b
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/nix/progress-bar.cc b/src/nix/progress-bar.cc
@@ -439,7 +439,9 @@ 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()