--- latexrun
+++ latexrun
@@ -416,7 +416,24 @@ class _Terminfo:
             else:
                 s = self.__ensure(cap)
             sys.stdout.buffer.write(s)
-terminfo = _Terminfo()
+
+class _BatchColorTerminfo:
+    def has(self, *caps):
+        for cap in caps:
+            if cap not in ['bold', 'setaf', 'sgr0']:
+                return False
+        return True
+
+    def send(self, *caps):
+        sys.stdout.flush()
+        for cap in caps:
+            if cap == 'bold':
+                sys.stdout.buffer.write(b'\x1b[1m')
+            elif isinstance(cap, tuple) and cap[0] == 'setaf':
+                sys.stdout.buffer.write(b'\x1b[%dm' % (cap[1] + 30))
+            elif cap == 'sgr0':
+                sys.stdout.buffer.write(b'\x1b[m')
+terminfo = _BatchColorTerminfo()
 
 class Progress:
     _enabled = None