wizard: encode generation source and options

internal/wizard.zsh

@@ -180,19 +180,19 @@ function _p9k_ask_style() {
     _p9k_clear
     print -P "            %BChoose your prompt style%b"
     print -P ""
-    print -P "                    %B%3FLean%f%b"
+    print -P "                    %BLean%b"
     print -P ""
     print -P "         %B%39F~%b%12F/%B%39Fpowerlevel10k%b %76Fmaster ⇡2%f"
     print -P "         %76F❯%f █"
     print -P ""
-    print -P "                  %B%3FClassic%f%b"
+    print -P "                  %BClassic%b"
     print -P ""
     print -P "     %8F╭─%K{0} %B%39F~%b%K{0}%12F/%B%39Fpowerlevel10k%b%K{0} %244F\uE0B1 %76Fmaster ⇡2 %k%0F\uE0B0"
     print -P "     %8F╰─%f █"
     print -P ""
-    print -P "(%B1%b)  %B%3FLean%f%b."
+    print -P "(%B1%b)  Lean."
     print -P ""
-    print -P "(%B2%b)  %B%4FClassic%f%b."
+    print -P "(%B2%b)  Classic."
     print -P ""
     print -P "%248F(r)  Restart from the beginning.%f"
     print -P ""
@@ -223,7 +223,7 @@ function _p9k_ask_lines() {
       print -P "       %K{0} %B%39F~%b%K{0}%12F/%B%39Fpowerlevel10k%b%K{0} %244F\uE0B1 %76Fmaster ⇡2 %k%0F\uE0B0%f █"
     fi
     print -P ""
-    print -P "                    %BTwo Lines%b"
+    print -P "                   %BTwo Lines%b"
     print -P ""
     if [[ $_p9k_style == lean ]]; then
       print -P "         %B%39F~%b%12F/%B%39Fpowerlevel10k%b %76Fmaster ⇡2%f"
@@ -288,8 +288,9 @@ function _p9k_ask_overwrite() {
 }
 
 function _p9k_generate_config() {
-  local -a cfg && cfg=("${(@f)$(< $_p9k_root_dir/config/p10k-$_p9k_style.zsh)}") || return
-  cfg=("${(@)cfg/#  typeset -g POWERLEVEL9K_MODE=*/  typeset -g POWERLEVEL9K_MODE=$POWERLEVEL9K_MODE}")
+  local base && base="$(< $_p9k_root_dir/config/p10k-$_p9k_style.zsh)" || return
+  local lines=("${(@f)base}")
+  lines=("${(@)lines/#  typeset -g POWERLEVEL9K_MODE=*/  typeset -g POWERLEVEL9K_MODE=$POWERLEVEL9K_MODE}")
   if [[ $POWERLEVEL9K_MODE == (powerline|compatible) && $_p9k_style == lean ]]; then
     local exp="''"
   elif (( _p9k_caps_narrow_icons )); then
@@ -297,16 +298,26 @@ function _p9k_generate_config() {
   else
     local exp="'\${P9K_VISUAL_IDENTIFIER}'"
   fi
-  cfg=("${(@)cfg/#  typeset -g POWERLEVEL9K_VISUAL_IDENTIFIER_EXPANSION=*/  typeset -g POWERLEVEL9K_VISUAL_IDENTIFIER_EXPANSION=$exp}")
+  lines=("${(@)lines/#  typeset -g POWERLEVEL9K_VISUAL_IDENTIFIER_EXPANSION=*/  typeset -g POWERLEVEL9K_VISUAL_IDENTIFIER_EXPANSION=$exp}")
   if (( _p9k_lines == 1 )); then
     local -a tmp
     local line
-    for line in "$cfg[@]"; do
+    for line in "$lines[@]"; do
       [[ $line == ('      newline'|*'===[ Line #'*) ]] || tmp+=$line
     done
-    cfg=("$tmp[@]")
+    lines=("$tmp[@]")
   fi
-  print -lr -- "$cfg[@]" >$zd/.p10k.zsh
+  local header=${(%):-"# Generated by Powerlevel10k configuration wizard on %D{%Y-%m-%d at %H:%M %Z}."}$'\n'
+  header+="# Based on romkatv/powerlevel10k/config/p10k-$_p9k_style.zsh"
+  if [[ $commands[sum] == ('/bin'|'/usr/bin'|'/usr/local/bin')'/sum' ]]; then
+    local -a sum
+    if sum=($(sum <<<${base//$'\r\n'/$'\n'} 2>/dev/null)) && (( $#sum == 2 )); then
+      header+=", checksum $sum[1]"
+    fi
+  fi
+  header+=$'.\n'
+  header+="# Wizard options: font=$POWERLEVEL9K_MODE, lines=$_p9k_lines, narrow-icons=$_p9k_caps_narrow_icons."$'\n#'
+  print -lr -- "$header" "$lines[@]" >$zd/.p10k.zsh
 }
 
 function _p9k_configure() {