ble.sh: fix newlines inserted at the top of the terminal

modules/terminal-life/bash/default.nix

@@ -74,7 +74,28 @@ in {
     # Bash vim mode keybindings
     if [[ $- == *i* ]]; then # in interactive session
       set -o vi
+    fi
 
+    # Don't show a mode name in the normal mode
+    function ferdinandyb/set-up-mode-indicator {
+      # Define \q{ferdinandyb/mode-indicator}
+      function ble/prompt/backslash:ferdinandyb/mode-indicator {
+        if local mode; ble/keymap:vi/script/get-mode; [[ $mode != i ]]; then
+          # call the built-in mode indicator
+          ble/prompt/process-prompt-string '\q{keymap:vi/mode-indicator}'
+        fi
+      }
+
+      # Specify \q{ferdinandyb/mode-indicator} in the mode-indicator prompt
+      bleopt prompt_vi_mode_indicator='\q{ferdinandyb/mode-indicator}'
+
+      # In case you would like to show "-- NORMAL --" instead of "~"
+      bleopt keymap_vi_mode_string_nmap=$'\e[1m-- NORMAL --\e[m'
+    }
+    blehook/eval-after-load keymap_vi ferdinandyb/set-up-mode-indicator
+
+    function blerc/vim-mode-hook {
+      # Write your settings for vi/vim mode here
       ble-bind -m vi_imap -f 'ENTER' 'vi_imap/complete'
       ble-bind -m vi_imap -f 'TAB' 'vi_imap/complete'
 
@@ -88,7 +109,9 @@ in {
       ble-bind -m vi_nmap -f 'l' 'vi-command/forward-char'
 
       ble-bind -m vi_imap -f 'C-c' discard-line
-    fi
+
+    }
+    blehook/eval-after-load keymap_vi blerc/vim-mode-hook
 
     # end of .bashrc
     # Somehow we need to ensure starship starts later than ble.sh