[bash] fzy key bindings

.bash/fzy.bash

@@ -0,0 +1,95 @@
+#     ____      ____
+#    / __/___  / __/
+#   / /_/_  / / /_
+#  / __/ / /_/ __/
+# /_/   /___/_/ key-bindings.bash
+#
+# - $FZF_TMUX_OPTS
+# - $FZF_CTRL_T_COMMAND
+# - $FZF_CTRL_T_OPTS
+# - $FZF_CTRL_R_OPTS
+# - $FZF_ALT_C_COMMAND
+# - $FZF_ALT_C_OPTS
+
+[[ $- =~ i ]] || return 0
+
+
+# Key bindings
+# ------------
+__fzf_select__() {
+  local cmd opts
+  cmd="${FZF_CTRL_T_COMMAND:-"command find -L . -mindepth 1 \\( -path '*/.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \\) -prune \
+    -o -type f -print \
+    -o -type d -print \
+    -o -type l -print 2> /dev/null | command cut -b3-"}"
+  opts="--height ${FZF_TMUX_HEIGHT:-40%} --bind=ctrl-z:ignore --reverse --scheme=path ${FZF_DEFAULT_OPTS-} ${FZF_CTRL_T_OPTS-} -m"
+  eval "$cmd" |
+    FZF_DEFAULT_OPTS="$opts" $(__fzfcmd) "$@" |
+    while read -r item; do
+      printf '%q ' "$item"  # escape special chars
+    done
+}
+
+__fzfcmd() {
+  echo fzy
+}
+
+fzf-file-widget() {
+  local selected="$(__fzf_select__ "$@")"
+  READLINE_LINE="${READLINE_LINE:0:$READLINE_POINT}$selected${READLINE_LINE:$READLINE_POINT}"
+  READLINE_POINT=$(( READLINE_POINT + ${#selected} ))
+}
+
+__fzf_cd__() {
+  local cmd opts dir
+  cmd="${FZF_ALT_C_COMMAND:-"command find -L . -mindepth 1 \\( -path '*/.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \\) -prune \
+    -o -type d -print 2> /dev/null | command cut -b3-"}"
+  opts="--height ${FZF_TMUX_HEIGHT:-40%} --bind=ctrl-z:ignore --reverse --scheme=path ${FZF_DEFAULT_OPTS-} ${FZF_ALT_C_OPTS-} +m"
+  dir=$(set +o pipefail; eval "$cmd" | FZF_DEFAULT_OPTS="$opts" $(__fzfcmd)) && printf 'builtin cd -- %q' "$dir"
+}
+
+
+__fzf_history__() {
+  local output
+  output=$(command fc -l -n -r 1 | sed 's/^[\t ]*//' | $(__fzfcmd) --query="$READLINE_LINE")
+  READLINE_LINE=${output#*$'\t'}
+  if [[ -z "$READLINE_POINT" ]]; then
+    echo "$READLINE_LINE"
+  else
+    READLINE_POINT=0x7fffffff
+  fi
+}
+
+# Required to refresh the prompt after fzf
+bind -m emacs-standard '"\er": redraw-current-line'
+
+bind -m vi-command '"\C-z": emacs-editing-mode'
+bind -m vi-insert '"\C-z": emacs-editing-mode'
+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"'
+
+  # 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"'
+  bind -m vi-command '"\C-r": "\C-z\C-r\C-z"'
+  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'
+
+  # CTRL-R - Paste the selected command from history into the command line
+  bind -m emacs-standard -x '"\C-r": __fzf_history__'
+  bind -m vi-command -x '"\C-r": __fzf_history__'
+  bind -m vi-insert -x '"\C-r": __fzf_history__'
+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"'

.bashrc

@@ -36,10 +36,7 @@ export PROMPT_COMMAND="history -a; history -c; history -r; $PROMPT_COMMAND"
 . ~/.bash/completions
 
 # fzf
-if command -v fzf 2>&1 > /dev/null; then
-    source ~/.bash/fzf/shell/key-bindings.bash
-    source ~/.bash/fzf/shell/completion.bash
-fi
+command -v fzy 2>&1 > /dev/null && source ~/.bash/fzy.bash
 
 source ~/.bash/bash-preexec/bash-preexec.sh