X-Git-Url: https://git.sev.monster/~sev/dotfiles.git/blobdiff_plain/e69caf640e206d5736bbac8d9a6dd75e63ec70c0..HEAD:/etc/zsh/.zlogout

diff --git a/etc/zsh/.zlogout b/etc/zsh/.zlogout
index cac7939..df25b19 100644
--- a/etc/zsh/.zlogout
+++ b/etc/zsh/.zlogout
@@ -10,10 +10,37 @@ _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 -en '\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=1
+    if [[ -v terminfo ]] {
+        for x (rs1 rs2 rs3) {
+            [[ -v terminfo[$x] ]] || continue
+            echoti $x
+            y=0
+        }
+    }
+    if { (( y )) && -v termcap ]] } {
+        for x (rs r1 r2 r3) {
+            [[ -v termcap[$x] ]] || continue
+            echotc $x
+            y=0
+        }
+    }
+    if (( y )) {
+        # fallback, send ECMA-48 clear
+        echo -en '\e[2J'
+    }
     echo logout
-    clear
 }
 
 ### load site-specific
-if [[ -f ${ZDOTDIR:-~}/.zlogout.local ]] { source ${ZDOTDIR:-~}/.zlogout.local }
+load-site-dotfile zlogout