make-msys2-installer

#!/usr/bin/env bash

set -e

cd $(dirname $0)

_thisdir=`pwd`
_build="${_thisdir}/_build"
_ifwroot="${_build}/qt-ifw"
_date=$(date +'%Y%m%d')
_dateqif=$(date +'%Y-%m-%d')
_version="${_date}"
_newmsysbase="${_build}/newmsys"
_newmsys="${_newmsysbase}/msys64"

PACMAN="fakeroot pacman"
OLDROOT="${_thisdir}/msys2"
BINCREATOR="${OLDROOT}/mingw64/bin/binarycreator.exe"
INSTALLERBASE="${OLDROOT}/mingw64/bin/installerbase.exe"
MINGW_PACKAGE_PREFIX="mingw-w64-x86_64"
OLDCONFIG="--config ${OLDROOT}/etc/pacman.conf --cachedir ${OLDROOT}/msys/cache"

create_installer_archive() {
  echo "[Creating installer archive...]"

  local _data="${_ifwroot}"/packages/com.msys2.root/data
  pushd / > /dev/null
    mkdir -p "${_data}"
    7z a -mx9 -md128m "${_data}/msys64.7z" "${_newmsys}/"*
  popd > /dev/null
}

copy_installer() {
  echo "[Copying installer...]"
  rm -Rf "${_ifwroot}" && cp -r "${_thisdir}"/qt-ifw "${_ifwroot}"

  find "${_ifwroot}" \( -name "package.xml" -or -name "config.xml" \) -exec sed -i "s|@DATE@|${_dateqif}|g" "{}" \;
  find "${_ifwroot}" \( -name "package.xml" -or -name "config.xml" \) -exec sed -i "s|@VERSION@|${_version}|g" "{}" \;
}

create_installer() {
  echo "[Creating installer...]"

  pushd "${_build}" > /dev/null
    wine64 ${BINCREATOR} \
      -t "${INSTALLERBASE}" \
      -p "${_ifwroot}/packages" \
      -c "${_ifwroot}/config/config.xml" \
      --offline-only \
      "${_thisdir}/msys2-x86_64.exe" \
      -v
  popd > /dev/null
}

create_tmp_system() {
  echo "[Creating temporary system...]"
  rm -Rf "${_newmsysbase}" && mkdir -p "${_newmsys}"

  pushd "${_newmsys}" > /dev/null
    mkdir -p var/lib/pacman
    mkdir -p var/log
    mkdir -p tmp

    ${PACMAN} -Syu --root "${_newmsys}" ${OLDCONFIG}
    ${PACMAN} -S filesystem msys2-runtime base --noconfirm --root "${_newmsys}" ${OLDCONFIG}
    printf "\n[artiq]\nSigLevel = Optional TrustAll\nServer = https://msys2.m-labs.hk/artiq-beta\n" >> ${_newmsys}/etc/pacman.conf
    printf "\n[artiq]\nSigLevel = Optional TrustAll\nServer = https://msys2.m-labs.hk/artiq-beta\n" >> ${OLDROOT}/etc/pacman.conf
    ${PACMAN} -Syy --root "${_newmsys}" ${OLDCONFIG}
    ${PACMAN} -S ${MINGW_PACKAGE_PREFIX}-artiq --noconfirm --root "${_newmsys}" ${OLDCONFIG}
    ${PACMAN} -Q --root "${_newmsys}" ${OLDCONFIG} > "${_thisdir}/msys2-base-x86_64.packages.txt"
  popd > /dev/null
}

main() {
  mkdir -p $OLDROOT/var/lib/pacman $OLDROOT/msys/etc

  curl -L https://repo.msys2.org/msys/x86_64/pacman-mirrors-20240210-1-any.pkg.tar.zst | tar xvf - -C $OLDROOT --zstd
  curl -L https://raw.githubusercontent.com/msys2/MSYS2-packages/master/pacman/pacman.conf | sed -e "s|/etc/pacman.d|$OLDROOT/etc/pacman.d|g" -e "s|SigLevel    = Required|SigLevel    = Never|g" > $OLDROOT/etc/pacman.conf

  ${PACMAN} --root $OLDROOT --config $OLDROOT/etc/pacman.conf -Syy
  ${PACMAN} --root $OLDROOT --config $OLDROOT/etc/pacman.conf --cachedir $OLDROOT/msys/cache -S ${MINGW_PACKAGE_PREFIX}-qt-installer-framework --noconfirm --needed

  create_tmp_system

  copy_installer
  create_installer_archive
  create_installer
}

main