Build mpv package with luajit support for Arch Linux

mpv-full-git.txt

 # set variable
 _pkgbase=mpv-full-git
 _pkgbase_cache_dir="$HOME/.cache/yay"
 _repo_cache_dir="$HOME/Applications/git"
 _git_url=https://github.com/mpv-player/mpv.git
 _git_repo="${_git_url%%.git}"
 _git_repo="${_git_repo##*.com/}"
 
 # prepare source code
 [ -d "${_pkgbase_cache_dir}" ] || mkdir -p "${_pkgbase_cache_dir}"
 [ -d "${_repo_cache_dir}" ] || mkdir -p "${_repo_cache_dir}"
 ( cd "${_pkgbase_cache_dir}" && git clone "https://aur.archlinux.org/${_pkgbase}.git" ) || ( cd "${_pkgbase_cache_dir}/${_pkgbase}" && git pull )
 ( cd "${_repo_cache_dir}" && git clone "${_git_url}" "${_git_repo}" ) || ( cd "${_repo_cache_dir}/${_git_repo}" && git pull )
 cp -r "${_pkgbase_cache_dir}/${_pkgbase}" "/tmp/${_pkgbase}"
 cp -r "${_repo_cache_dir}/${_git_repo}" "/tmp/${_pkgbase}/${_pkgbase%%-*}"
 cd /tmp/${_pkgbase} && sed -i -e 's/lua52/luajit/g' -e 's/52arch/luajit/g' -e 's/ffmpeg-git/ffmpeg/g' PKGBUILD
 
 # build
 makepkg -cirs
 
 # delete build directory
 cd ~ && rm -rf "/tmp/${_pkgbase}