unixorn/fzf-zsh-plugin

#!/usr/bin/env bash
#
# Based on Mark's script posted to hangops, which in turn was based on
# the example at https://github.com/junegunn/fzf/blob/master/ADVANCED.md#ripgrep-integration
#
# Copyright 2023, Mark Carey
#
# shellcheck disable=SC2086
#
# 1. Search for text in files using Ripgrep
# 2. Interactively narrow down the list using fzf
# 3. Open the file in vscode

set -euo pipefail
if [[ -n "$DEBUG" ]]; then
  set -x
fi

function debug() {
  if [[ -n "$DEBUG" ]]; then
    echo "$@"
  fi
}

function echo-stderr() {
  echo "$@" 1>&2  ## Send message to stderr.
}

function fail() {
  printf '%s\n' "$1" >&2  ## Send message to stderr. Exclude >&2 if you don't want it that way.
  exit "${2-1}"  ## Return a code specified by $2 or 1 by default.
}

function has() {
  # Check if a command is in $PATH
  which "$@" > /dev/null 2>&1
}

# shellcheck disable=SC2016
function check-dependencies() {
  if ! has code; then
    fail 'Could not find code in your $PATH.'
  fi
  if ! has fzf; then
    fail 'Could not find fzf in your $PATH. Installation instructions are at https://github.com/junegunn/fzf'
  fi
  if ! has rg; then
    fail 'Could not find rg in your $PATH. Installation instructions are at https://github.com/BurntSushi/ripgrep'
  fi
}

check-dependencies

while getopts n OPTION
do
  case "${OPTION}" in
    n) NEW_WINDOW="--new-window";;
    *) echo "ERROR: we only support -n" && exit 1;;
  esac
done
shift $((OPTIND-1))

: "${NEW_WINDOW:=""}"

ARGLIST=""
while IFS=: read -ra SELECTED; do
  if [ "${#SELECTED[@]}" -gt 0 ]; then
    ARGLIST+="--goto ${SELECTED[0]}:${SELECTED[1]} "
  fi
done < <(
  rg --color=always --line-number --no-heading --smart-case "${*:-}" |
    fzf --ansi \
        --color "hl:-1:underline,hl+:-1:underline:reverse" \
        --delimiter : \
        --multi \
        --preview 'bat --color=always {1} --highlight-line {2}' \
        --preview-window 'up,60%,border-bottom,+{2}+3/3,~3'
)
if [ -n "${ARGLIST}" ]; then
  code ${NEW_WINDOW} ${ARGLIST}
fi