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#!/bin/sh
# https://junegunn.github.io/fzf/tips/ripgrep-integration/#6-bind-enter-to-become-action
help() { echo "frg - grep with fzf
USAGE:
fgrp [OPTION]... PATTERN
OPTIONS:
-r real time grepping in fzf prompt
-h show this help message"; }
err() { printf '%s: %s\n' "$0" "$@" >&2; exit 1; }
while getopts 'rh' o; do case "$o" in
r) rflag=1 ;;
h) help >&2; exit ;;
?) err "invalid option passed" ;;
esac done
shift $((OPTIND - 1))
[ -z "$FZF_HISTDIR" ] &&
export FZF_HISTDIR="${XDG_STATE_HOME:-$HOME/.local/state}/fzf"
mkdir -pv "$FZF_HISTDIR"
export FZF_HIST="$FZF_HISTDIR/grep_history"
if command -v rg >/dev/null; then
GREP_CMD="rg --smart-case --column --color=always"
elif command -v git >/dev/null; then
GREP_CMD="git grep -I --ignore-case --column --color=always"
else
GREP_CMD="grep -Rnsi --exclude-dir=.git --color=always"
fi
RELOAD="reload($GREP_CMD {q} || :)"
OPENER='
# update history
sed -i \\\|^{q}$\|d "$FZF_HIST"
echo {q} >> "$FZF_HIST"
if [[ $FZF_SELECT_COUNT -eq 0 ]]; then
$EDITOR {1} +{2} # No selection. Open the current line in Vim.
else
$EDITOR +cw -q {+f} # Build quickfix list for the selected items.
fi
'
query="$*"
fzf() { $GREP_CMD "$query" | command fzf "$@" \
--ansi --multi --header-first \
--history="$FZF_HIST" \
--bind "enter:execute($OPENER)" \
--bind "ctrl-o:become($OPENER)" \
--bind 'ctrl-v:toggle-preview,ctrl-space:toggle-preview' \
--bind "ctrl-r:reload($GREP_CMD '$query')" \
--bind 'alt-a:select-all,alt-d:deselect-all,ctrl-/:toggle-preview' \
--delimiter : \
--preview 'bat --style=full --color=always --highlight-line {2} {1}' \
--preview-window '~4,+{2}+4/3,<80(up)'; }
if [ "$rflag" = 1 ]; then
fzf --disabled --query "$query" \
--header "COMMAND: $GREP_CMD <prompt-query>" \
--bind "change:$RELOAD"
else
fzf --header "COMMAND: $GREP_CMD '$query'"
fi
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