From 30db78e1dbb83ed3025f5378d4a83e5e5441da4e Mon Sep 17 00:00:00 2001
From: Oleg Broytman <phd@phdru.name>
Date: Fri, 13 Jan 2023 18:27:26 +0300
Subject: [PATCH] .shellrc: Unset `$MAILCHECK` in non-login shells

---
 .profile | 3 ---
 .shellrc | 4 ++++
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/.profile b/.profile
index 92c1032..7e6ba5a 100644
--- a/.profile
+++ b/.profile
@@ -146,9 +146,6 @@ if [ -t 0 ] ; then
             MAILPATH="$MAILPATH:`echo $HOME/mail/lists/* | sed 's/ /:/g'`"
     fi
     export MAIL MAILPATH
-    if [ -n "$STY" -a "$WINDOW" != 0 ]; then
-        unset MAILCHECK
-    fi
 
     BROWSER="links2:links:elinks:w3m:lynx"
     case "$TERM" in
diff --git a/.shellrc b/.shellrc
index e3a0ac7..78beaf7 100644
--- a/.shellrc
+++ b/.shellrc
@@ -47,6 +47,10 @@ fi
 # clear screen and history, logout
 chlo() { clear; cd; >$HISTFILE; unset HISTFILE; history -c; logout || exit; }
 
+if [ -n "$STY" -a "$WINDOW" != 0 ]; then
+    #unset MAILCHECK everywhere except for the 1st GNU screen window
+    unset MAILCHECK
+fi
 
 include() {
     cfg="$1"
-- 
2.39.5