From 8370f7441ed6a0ce4c41827b1cff63fbbf935b8b Mon Sep 17 00:00:00 2001
From: Christian Rocha <christian@rocha.is>
Date: Wed, 24 Jun 2020 11:45:45 -0400
Subject: [PATCH] Fix a crash when opening pager help in very narrow windows

---
 ui/pager.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ui/pager.go b/ui/pager.go
index 7ed50cc..d780660 100644
--- a/ui/pager.go
+++ b/ui/pager.go
@@ -310,7 +310,7 @@ func pagerHelpView(width int) (s string) {
 		lines := strings.Split(s, "\n")
 		for i := 0; i < len(lines); i++ {
 			l := runewidth.StringWidth(lines[i])
-			n := width - l
+			n := max(width-l, 0)
 			lines[i] += strings.Repeat(" ", n)
 		}