install-nightly-daily.sh

#!/usr/bin/env bash
set +o errexit +o nounset;
cd ~/.cache/yay;
format=%Y-%m-%d
date="$(date +"${format}")";
declare -A package_dir_names;
package_dir_names[firefox-nightly]=firefox-nightly-bin;
for package in "${package_dir_names[@]}"; do
  install_date="$(</var/log/pacman.log grep " \(installed\|reinstalled\|upgraded\) ${package} " | tail -n1 | sed 's/^\[\([^]]*\).*/\1/g')"
  if [[ -z "$install_date" ]]; then
    install_date="$(date +"${format}" -d '-1 day')"
  else
    install_date="$(date +"${format}" --date="$install_date")"
  fi
  if [[ "$install_date" != "$date" ]]; then
(
  cd "$package";
  git checkout .
  git pull
  rm -f -- *.bz2{,.asc} *.gz *.xz *.zst *.part
  yay -S --noconfirm "$package" || makepkg --install --noconfirm "$package"
)
  fi;
done