initial terminal capability checks, allows detecting color depth and whether or not kitty extensions are available

base/zeesh.zsh

@@ -1,8 +1,38 @@
-#cols=$(stty -a | grep -Po '(?<=columns )\d+' | tr -d "\n")
+if (( ${+commands[stty]} )); then
+    cols=$(stty -a | grep -Po '(?<=columns )\d+' | tr -d "\n")
+else
     cols=$COLUMNS
+fi
 
 setopt prompt_subst
 
+# color depth
+colordepth=4 
+if [[ "$COLORTERM" == "truecolor" || "$COLORTERM" == "24bit" ]]; then
+    colorcount=16000000
+else case $TERM in
+    iterm       |\
+    vte*        |\
+    *-truecolor )
+        export COLORTERM="truecolor" # environmental consistency
+        colorcount=16000000
+        ;;
+    *-256color  )
+        colorcount=256
+        ;;
+    *)
+        colorcount=$(tput colors | tr -d "\n")
+        ;;
+esac
+
+kitty_available=n
+if (( ${+KITTY_SHELL_INTEGRATION} )); then
+    kitty_available=y
+    [[ "$KITTY_SHELL_INTEGRATION" == "disabled" ]] && return # don't integrate if configured not to
+    autoload -Uz -- "${KITTY_INSTALLATION_DIR}/shell-integration/zsh/kitty-integration"
+    kitty-integration && unfunction kitty-integration
+fi
+
 function ticker_message () {
     if [[ $_zeeshdev_ticker_newlines == 0 ]]; then
         printf "\r${(l:$cols:: :)A}\r"