run1: Fold lines in log report

Otherwise we can generate an unbounded amount of ouptut.  With very
very long lines, which can make emacs very slow.

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/wdriver/run1 b/wdriver/run1
index 555c0bdfb69c5af6b42d613f249bad481e2f1bc4..7f55308d26abfb48ee250c895c9ed77d27cbc849 100755 (executable)
--- a/wdriver/run1
+++ b/wdriver/run1
@@ -15,6 +15,6 @@ case "${PIPESTATUS[*]}" in
 "0 0") exit 0;
 esac
 
-tail -40 <tmp/"$lname" | sed -e "s/^/${lname%.log}: /"
+fold -250 <tmp/"$lname" | tail -40 | sed -e "s/^/${lname%.log}: /"
 
 exit 1