add_to_talismanignore.bash

#!/bin/bash
set -euo pipefail
shopt -s extglob

DEBUG=${DEBUG:-''}

function run() {
  function echo_debug() {
    [[ -z "${DEBUG}" ]] && return
    echo -ne $(tput setaf 3) >&2
    echo "$1" >&2
    echo -ne $(tput sgr0) >&2
  }
  export -f echo_debug

  INSTALL_ORG_REPO=${INSTALL_ORG_REPO:-'thoughtworks/talisman'}
  SCRIPT_BASE="https://raw.githubusercontent.com/${INSTALL_ORG_REPO}/master/global_install_scripts"

  TEMP_DIR=$(mktemp -d 2>/dev/null || mktemp -d -t 'talisman_uninstall')
  trap "rm -r ${TEMP_DIR}" EXIT
  chmod 0700 ${TEMP_DIR}

  ADD_AN_IGNORE_SCRIPT=${TEMP_DIR}/add_to_talismanignore_in_git_repo.bash

  function get_dependent_scripts() {
    echo_debug "getting ${SCRIPT_BASE}/add_to_talismanignore_in_git_repo.bash via curl"
    curl --silent "${SCRIPT_BASE}/add_to_talismanignore_in_git_repo.bash" >${ADD_AN_IGNORE_SCRIPT}
    chmod +x ${ADD_AN_IGNORE_SCRIPT}
  }

  get_dependent_scripts

  echo "Adding pattern to .talismanignore recursively in git repos"
  read -p "Please enter pattern to add to .talismanignore (enter to abort): " IGNORE_PATTERN
  [[ -n $IGNORE_PATTERN ]] || exit 1

  read -e -p "Please enter root directory to search for git repos (Default: ${HOME}): " SEARCH_ROOT
  SEARCH_ROOT=${SEARCH_ROOT:-$HOME}
  SEARCH_CMD="find"
  EXTRA_SEARCH_OPTS=""
  echo -e "\tSearching ${SEARCH_ROOT} for git repositories"

  SUDO_PREFIX=""
  if [[ "${SEARCH_ROOT}" == "/" ]]; then
    echo -e "\tPlease enter your password when prompted to enable script to search as root user:"
    SUDO_PREFIX="sudo"
    EXTRA_SEARCH_OPTS="-xdev \( -path '/private/var' -prune \) -o"
  fi

  CMD_STRING="${SUDO_PREFIX} ${SEARCH_CMD} ${SEARCH_ROOT} ${EXTRA_SEARCH_OPTS} -name .git -type d -exec ${ADD_AN_IGNORE_SCRIPT} {} ${IGNORE_PATTERN} \;"
  echo_debug "EXECUTING: ${CMD_STRING}"
  eval "${CMD_STRING}"
}

run $0 $@