Elide all clear screen escape sequences from the scrollback buffer,
partial or complete. zshell, for example, emits ^[[J on startup, which
causes the scrolled down portion of the screen to be cleared when
scrolling to the beginning of the buffer and less than the entire screen
is scrolled.
---
scroll.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/scroll.c b/scroll.c
index 722ea01..f0e5ba5 100644
--- a/scroll.c
+++ b/scroll.c
@@ -208,7 +208,11 @@ skipesc(char c)
/* don't save cursor move or clear screen */
/* esc sequences to log */
- if (c == 'H' || strcmp(buf, "2J") == 0)
+ if (c == 'H' || strcmp(buf, "J") == 0 ||
+ strcmp(buf, "0J") == 0 ||
+ strcmp(buf, "1J") == 0 ||
+ strcmp(buf, "2J") == 0 ||
+ strcmp(buf, "3J") == 0)
return true;
}
break;
--
2.26.2
