Add bash keybindings file

Author: djcopley

src/shelloracle/shelloracle.bash

@@ -0,0 +1,20 @@
+__shelloracle__() {
+  local output
+  output=$(python3 -m shelloracle) || return
+  READLINE_LINE=${output#*$'\t'}
+  if [[ -z "$READLINE_POINT" ]]; then
+    echo "$READLINE_LINE"
+  else
+    READLINE_POINT=0x7fffffff
+  fi
+}
+
+if (( BASH_VERSINFO[0] < 4 )); then
+  bind -m emacs-standard '"\C-f": "\C-e \C-u\C-y\ey\C-u"$(__shelloracle__)"\e\C-e\er"'
+  bind -m vi-command '"\C-f": "\C-z\C-r\C-z"'
+  bind -m vi-insert '"\C-f": "\C-z\C-r\C-z"'
+else
+  bind -m emacs-standard -x '"\C-f": __shelloracle__'
+  bind -m vi-command -x '"\C-f": __shelloracle__'
+  bind -m vi-insert -x '"\C-f": __shelloracle__'
+fi