Improve fzf integration

bash/fzf

@@ -0,0 +1,56 @@
+# shellcheck shell=bash
+# vim: ft=sh
+
+__fzf_select__() {
+  local cmd="${FZF_CTRL_T_COMMAND:-"command find -L . -mindepth 1 \\( -path '*/\\.*' -o -fstype 'sysfs' -o -fstype 'devfs' -o -fstype 'devtmpfs' -o -fstype 'proc' \\) -prune \
+    -o -type f -print \
+    -o -type d -print \
+    -o -type l -print 2> /dev/null | cut -b3-"}"
+  eval "$cmd" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_CTRL_T_OPTS" fzf -m "$@" | while read -r item; do
+    printf '%q ' "$item"
+  done
+  echo
+}
+
+__fzfcmd() {
+    echo "fzf"
+}
+
+fzf-file-widget() {
+    local selected="$(__fzf_select__)"
+    READLINE_LINE="${READLINE_LINE:0:$READLINE_POINT}$selected${READLINE_LINE:$READLINE_POINT}"
+    READLINE_POINT=$(( READLINE_POINT + ${#selected} ))
+}
+
+__fzf_cd__() {
+  local cmd dir
+  cmd="${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 | cut -b3-"}"
+  dir=$(eval "$cmd" | FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} --reverse $FZF_DEFAULT_OPTS $FZF_ALT_C_OPTS" $(__fzfcmd) +m) && printf 'cd %q' "$dir"
+}
+
+__fzf_history__() (
+  local line
+  shopt -u nocaseglob nocasematch
+  line=$(
+    HISTTIMEFORMAT= history |
+    FZF_DEFAULT_OPTS="--height ${FZF_TMUX_HEIGHT:-40%} $FZF_DEFAULT_OPTS --tac -n2..,.. --tiebreak=index --bind=ctrl-r:toggle-sort $FZF_CTRL_R_OPTS +m" $(__fzfcmd) |
+    command grep '^ *[0-9]') &&
+    if [[ $- =~ H ]]; then
+      sed 's/^ *\([0-9]*\)\** .*/!\1/' <<< "$line"
+    else
+      sed 's/^ *\([0-9]*\)\** *//' <<< "$line"
+    fi
+)
+
+bind '"\er": redraw-current-line'
+bind '"\e^": history-expand-line'
+
+if [[ ${BASH_VERSINFO[0]} -gt 3 ]]; then
+    bind -x '"\C-t": "fzf-file-widget"'
+else
+    bind '"\C-t": " \C-u \C-a\C-k`__fzf_select__`\e\C-e\C-y\C-a\C-y\ey\C-h\er"'
+fi
+
+bind '"\C-r": " \C-e\C-u`__fzf_history__`\e\C-e\e^\er"'
+bind '"\ec": " \C-e\C-u`__fzf_cd__`\e\C-e\er\C-m"'

bash/rc

@@ -10,6 +10,7 @@ source $DOTFILES_BASH_DIR/history
 source $DOTFILES_BASH_DIR/term_title
 source $DOTFILES_BASH_DIR/completion
 source $DOTFILES_SHELL_DIR/go
+source $DOTFILES_BASH_DIR/fzf
 
 source $DOTFILES_SHELL_DIR/git_prompt_info
 GIT_PS1_SHOWDIRTYSTATE=1