Filter ANSI escape sequences in -L output

Otherwise, builds like NixOS VM tests may leave the terminal in a weird state and do resets.
cript0nauta · Oct 9, 2019 · 4331eeb · 4331eeb
1 parent 55bba8e
commit 4331eeb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/nix/progress-bar.cc b/src/nix/progress-bar.cc
@@ -120,7 +120,7 @@ class ProgressBar : public Logger
     void log(State & state, Verbosity lvl, const std::string & s)
     {
         if (state.active) {
-            writeToStderr("\r\e[K" + s + ANSI_NORMAL "\n");
+            writeToStderr("\r\e[K" + filterANSIEscapes(s, !isTTY) + ANSI_NORMAL "\n");
             draw(state);
         } else {
             auto s2 = s + ANSI_NORMAL "\n";