Make it possible to disable `Ctrl+T` / `Alt+C` / completions (#3678)

This makes it possible to skip one of the above key bindings or
completions by setting a variable to an empty string. For example,

    FZF_CTRL_T_COMMAND= FZF_ALT_C_COMMAND= \
      eval "$(fzf --zsh)"

Co-authored-by: Junegunn Choi <junegunn.c@gmail.com>

1 files changed, 15 insertions, 9 deletions

diff --git a/shell/key-bindings.bash b/shell/key-bindings.bash
index f6cd48f1..a290e4ca 100644
--- a/shell/key-bindings.bash
+++ b/shell/key-bindings.bash
@@ -102,9 +102,11 @@ bind -m emacs-standard '"\C-z": vi-editing-mode'
 
 if (( BASH_VERSINFO[0] < 4 )); then
   # CTRL-T - Paste the selected file path into the command line
-  bind -m emacs-standard '"\C-t": " \C-b\C-k \C-u`__fzf_select__`\e\C-e\er\C-a\C-y\C-h\C-e\e \C-y\ey\C-x\C-x\C-f"'
-  bind -m vi-command '"\C-t": "\C-z\C-t\C-z"'
-  bind -m vi-insert '"\C-t": "\C-z\C-t\C-z"'
+  if [[ "${FZF_CTRL_T_COMMAND-x}" != "" ]]; then
+    bind -m emacs-standard '"\C-t": " \C-b\C-k \C-u`__fzf_select__`\e\C-e\er\C-a\C-y\C-h\C-e\e \C-y\ey\C-x\C-x\C-f"'
+    bind -m vi-command '"\C-t": "\C-z\C-t\C-z"'
+    bind -m vi-insert '"\C-t": "\C-z\C-t\C-z"'
+  fi
 
   # CTRL-R - Paste the selected command from history into the command line
   bind -m emacs-standard '"\C-r": "\C-e \C-u\C-y\ey\C-u`__fzf_history__`\e\C-e\er"'
@@ -112,9 +114,11 @@ if (( BASH_VERSINFO[0] < 4 )); then
   bind -m vi-insert '"\C-r": "\C-z\C-r\C-z"'
 else
   # CTRL-T - Paste the selected file path into the command line
-  bind -m emacs-standard -x '"\C-t": fzf-file-widget'
-  bind -m vi-command -x '"\C-t": fzf-file-widget'
-  bind -m vi-insert -x '"\C-t": fzf-file-widget'
+  if [[ "${FZF_CTRL_T_COMMAND-x}" != "" ]]; then
+    bind -m emacs-standard -x '"\C-t": fzf-file-widget'
+    bind -m vi-command -x '"\C-t": fzf-file-widget'
+    bind -m vi-insert -x '"\C-t": fzf-file-widget'
+  fi
 
   # CTRL-R - Paste the selected command from history into the command line
   bind -m emacs-standard -x '"\C-r": __fzf_history__'
@@ -123,6 +127,8 @@ else
 fi
 
 # ALT-C - cd into the selected directory
-bind -m emacs-standard '"\ec": " \C-b\C-k \C-u`__fzf_cd__`\e\C-e\er\C-m\C-y\C-h\e \C-y\ey\C-x\C-x\C-d"'
-bind -m vi-command '"\ec": "\C-z\ec\C-z"'
-bind -m vi-insert '"\ec": "\C-z\ec\C-z"'
+if [[ "${FZF_ALT_C_COMMAND-x}" != "" ]]; then
+  bind -m emacs-standard '"\ec": " \C-b\C-k \C-u`__fzf_cd__`\e\C-e\er\C-m\C-y\C-h\e \C-y\ey\C-x\C-x\C-d"'
+  bind -m vi-command '"\ec": "\C-z\ec\C-z"'
+  bind -m vi-insert '"\ec": "\C-z\ec\C-z"'
+fi