aseprite_macos_update_install.sh

#!/usr/bin/env bash

set -e

target_osx=$(sw_vers -productVersion)
project_dir=/Users/rkmax/development/aseprite
skia_dir=/Users/rkmax/development/skia
arch="$(uname -m)"

bundle_trial_url=https://www.aseprite.org/downloads/trial/Aseprite-v1.2.40-trial-macOS.dmg

install_update_deps() {
  macos_deps
  dep_skia
  dep_aseprite
}

macos_deps() {
  brew update
  brew install cmake ninja
}

dep_skia() {
  rm -rf $skia_dir
  mkdir -p $skia_dir
  cd $skia_dir

  latest_url=$(curl -s https://api.github.com/repos/aseprite/skia/releases/latest | grep "browser_download_url.*-macOS.*${arch}.zip" | cut -d : -f 2,3 | tr -d \")
  name=$(basename "${latest_url}")

  if [ ! -f "${name}" ]; then
    echo "Downloading ${name}"

    # the value already include '"'
    # shellcheck disable=SC1073
    wget ${latest_url}
  fi

  unzip "${name}"
}

dep_aseprite() {
  if [ ! -d $project_dir ]; then
    git clone --recursive https://github.com/aseprite/aseprite.git $project_dir
  fi

  cd $project_dir
  git pull
}

build_bin() {
  cd $project_dir
  mkdir -p build
  cd build

  cmake \
    -DCMAKE_BUILD_TYPE=RelWithDebInfo \
    -DCMAKE_OSX_ARCHITECTURES="${arch}" \
    -DCMAKE_OSX_DEPLOYMENT_TARGET="${target_osx}" \
    -DCMAKE_MACOSX_RPATH=ON \
    -DCMAKE_OSX_SYSROOT=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk \
    -DLAF_BACKEND=skia \
    -DSKIA_DIR="${skia_dir}" \
    -DSKIA_LIBRARY_DIR="${skia_dir}/out/Release-${arch}" \
    -DSKIA_LIBRARY="${skia_dir}/out/Release-${arch}/libskia.a" \
    -DPNG_ARM_NEON:STRING=on \
    -G Ninja ..

  ninja aseprite
}

package_app() {
  mkdir -p "${project_dir}/bundle"
  cd "${project_dir}/bundle"


  name=$(basename "${bundle_trial_url}")
  if [ ! -f "${name}" ]; then
    echo "Downloading bundle assets"
    wget "${bundle_trial_url}"
  fi

  mkdir -p mount
  yes qy | hdiutil attach -quiet -nobrowse -noverify -noautoopen -mountpoint mount "${name}"
  cp -r mount/Aseprite.app .
  hdiutil detach -quiet mount

  rm -rf Aseprite.app/Contents/MacOS/aseprite
  rm -rf Aseprite.app/Contents/Resources/data
  cp -r "${project_dir}/build/bin/aseprite" Aseprite.app/Contents/MacOS/aseprite
  cp -r "${project_dir}/build/bin/data" Aseprite.app/Contents/Resources/data
}

install_app() {
  sudo cp -r "${project_dir}/bundle/Aseprite.app" /Applications/
}

install_update_deps
build_bin
package_app
install_app

i think you dont need to do an electron installer, for macos if I understand correctly (I'm newbie with mac) you can create a folder with a custom background that basically has the Aseprite.app an a link to he applications folder so user can drag n drop (maybe you are think in other stuff)

I bought aseprite sadly I did it via steam (i use it from time to time in linux) and now on the mac I couldn't use it. that's why I make this scripts more intended for my personal use. but I decide to share it as others

mkdir: /Users/rkmax: Permission denied

mkdir: /Users/rkmax: Permission denied

Ideally those lines should be updated from

project_dir=/Users/rkmax/development/aseprite
skia_dir=/Users/rkmax/development/skia

to

project_dir=/Users/$(whoami)/development/aseprite
skia_dir=/Users/$(whoami)/development/skia

But at a minimum just replace rkmax on lines 6 & 7 with your own username