From db3af3c76afaecc821b1c8d0f42cc2c5292c4ac0 Mon Sep 17 00:00:00 2001
From: teutat3s <teutates@mailbox.org>
Date: Fri, 24 Feb 2023 17:56:17 +0100
Subject: [PATCH] bash: disable ble.sh history share

complete on first TAB if there's a single matching filename
with show-all-if-ambiguous on

enable history search with arrow up after starting to type a command
---
 modules/terminal-life/bash/default.nix | 38 ++++++++++++++++++++------
 1 file changed, 29 insertions(+), 9 deletions(-)

diff --git a/modules/terminal-life/bash/default.nix b/modules/terminal-life/bash/default.nix
index c35763cc..b66cce35 100644
--- a/modules/terminal-life/bash/default.nix
+++ b/modules/terminal-life/bash/default.nix
@@ -27,33 +27,53 @@ in {
 
     eval "$(${pkgs.direnv}/bin/direnv hook bash)"
 
+    bind 'set show-all-if-ambiguous on'
+
     # Syntax highlighting, auto suggestions, vim modes, etc.
     # https://github.com/akinomyoga/ble.sh/wiki/Manual-A1-Installation#user-content-nixpkgs
     source "$(blesh-share)" --attach=none
     # ctrl + space to accept autocomplete suggestion
     ble-bind -m 'auto_complete' -f 'C-@' 'auto_complete/insert-on-end'
     # Meta (Alt) + Backspace to delete a word
-    ble-bind -m 'emacs' -f 'M-C-?' 'kill-backward-cword'
+    ble-bind -m 'vi_imap' -f 'M-C-?' 'kill-backward-cword'
     # Meta (Alt) + p to jump one word backwards
-    ble-bind -m 'emacs' -f M-p '@nomarked backward-cword'
+    ble-bind -m 'vi_imap' -f M-p '@nomarked backward-cword'
     # Meta (Alt) + n to jump one word forwards
-    ble-bind -m 'emacs' -f M-n '@nomarked forward-cword'
+    ble-bind -m 'vi_imap' -f M-n '@nomarked forward-cword'
     # Arrow up and Ctrl + p searches history for entered input
-    ble-bind -f up 'history-search-backward hide-status:immediate-accept:empty=emulate-readline:point=end'
-    ble-bind -f C-p 'history-search-backward hide-status:immediate-accept:empty=emulate-readline:point=end'
+    ble-bind -m 'vi_imap' -f up 'history-search-backward hide-status:immediate-accept:empty=emulate-readline:point=end'
+    ble-bind -m 'vi_imap' -f C-p 'history-search-backward hide-status:immediate-accept:empty=emulate-readline:point=end'
     # Arrow down and Ctrl + n searches history for entered input
-    ble-bind -f down 'history-search-forward hide-status:immediate-accept:empty=emulate-readline:point=end'
-    ble-bind -f C-n 'history-search-forward hide-status:immediate-accept:empty=emulate-readline:point=end'
+    ble-bind -m 'vi_imap' -f down 'history-search-forward hide-status:immediate-accept:empty=emulate-readline:point=end'
+    ble-bind -m 'vi_imap' -f C-n 'history-search-forward hide-status:immediate-accept:empty=emulate-readline:point=end'
 
     function my/complete-load-hook {
-      bleopt complete_auto_delay=300
+      bleopt complete_auto_delay=500
     }
     blehook/eval-after-load complete my/complete-load-hook
 
     bleopt exec_errexit_mark=
-    bleopt history_share=1
     bleopt filename_ls_colors="$LS_COLORS"
 
+    bleopt complete_menu_style=desc-raw
+
+    # Bash vim mode keybindings
+    if [[ $- == *i* ]]; then # in interactive session
+      set -o vi
+
+      ble-bind -m vi_imap -f 'ENTER' 'vi_imap/complete'
+      ble-bind -m vi_imap -f 'TAB' 'vi_imap/complete'
+
+      ble-bind -m vi_imap -f 'j j' 'vi_imap/normal-mode'
+      ble-bind -m vi_imap -f 'ESC' 'vi_imap/normal-mode'
+
+      ble-bind -m vi_nmap -f 'h' 'vi_nmap/insert-mode'
+      ble-bind -m vi_nmap -f 'i' 'vi-command/backward-line'
+      ble-bind -m vi_nmap -f 'j' 'vi-command/backward-char'
+      ble-bind -m vi_nmap -f 'k' 'vi-command/forward-line'
+      ble-bind -m vi_nmap -f 'l' 'vi-command/forward-char'
+    fi
+
     # end of .bashrc
     [[ ''${BLE_VERSION-} ]] && ble-attach
   '';