update vim submodules

[dotfiles.git] / etc / zsh / .zlogout

diff --git a/etc/zsh/.zlogout b/etc/zsh/.zlogout
index c0054214f1762486b9c16cbcd04a390c26e919c3..1b2b26679a760b26ab5e450b94cda3546d5a28c6 100644 (file)
--- a/etc/zsh/.zlogout
+++ b/etc/zsh/.zlogout
@@ -10,9 +10,34 @@ _sev_zcleanup
 ## clean up any remaining sockets from gpg forwarding
 [[ -v _GNUPG_SOCK_DEST_BASE ]] && rm -f $_GNUPG_SOCK_DEST_BASE*(=N)
 
+## manually reset terminal for interactive logout
 if [[ -o interactive ]] {
+    # send xterm scrollback clear extension just in case:
+    #  - TERM may not be set correctly
+    #  - terminfo/termcap database entry for reset may be buggy
+    echo -n '\e[3J'
+    # use terminfo/termcap directly instead of relying on system clear/reset:
+    #  - often they are just wrappers for ncurses tput or other tools
+    #  - they may not even exist on lightweight systems
+    #  - provided scripts/binaries may be buggy or broken
+    y=0
+    for x (rs1 rs2 rs3) {
+        [[ -v terminfo[$x] ]] || continue
+        echoti $x
+        y=1
+    }
+    if (( y == 0 )) {
+        for x (rs r1 r2 r3) {
+            [[ -v termcap[$x] ]] || continue
+            echotc $x
+            y=1
+        }
+    }
+    if (( y == 0 )) {
+        # fallback, send ECMA-48 clear
+        echo -n '\e[2J'
+    }
     echo logout
-    clear
 }
 
 ### load site-specific