1 files changed, 111 insertions, 0 deletions
diff --git a/installer.py b/installer.py
new file mode 100755
index 0000000..bdad7a6
--- /dev/null
+++ b/installer.py
@@ -0,0 +1,111 @@
+#!/usr/bin/env python3
+import os
+import sys
+
+if hasattr(sys, '_MEIPASS'): # we're running in a bundle, go where we have our bundled assets
+    os.chdir(sys._MEIPASS)
+
+import subprocess
+import requests
+import tempfile
+import shutil
+import subprocess
+import json
+import uuid
+import pathlib
+
+from modpackman import install
+from util import config
+import util
+
+
+def install_forge():
+    """
+    :param java_path: path to a working Java executable
+    Downloads and runs the Forge installer specified in pack.ini.
+    """
+    with tempfile.TemporaryDirectory() as working_dir:
+        forge_path = os.path.join(working_dir, "forge_installer.jar")
+        util.download_file(config['pack']['forge_url'], forge_path)
+        try:
+            subprocess.check_output([util.find_jre(), "-jar", forge_path])
+        except RuntimeError:
+            if sys.platform == 'win32':
+                # if we can't find java, see if Windows can...
+                subprocess.check_output([f'cmd /C start "" "{forge_path}"'])
+            else:
+                raise
+
+
+def setup_forge(profile_id):
+    path_to_profiles = os.path.join(util.find_minecraft_directory(), "launcher_profiles.json")
+    # first, find current profiles so we can figure out which forge installs
+    with open(path_to_profiles, "r") as f:
+        profiles = json.load(f)
+    old_profile_ids = set(profiles["profiles"].keys())
+    
+    # install forge, should add a new profile
+    install_forge()
+
+    with open(path_to_profiles, "r") as f:
+        profiles = json.load(f)
+    difference = set(profiles["profiles"].keys()) - old_profile_ids
+    if difference:
+        forge_profile_id = next(difference)
+        forge_game_version = profiles["profiles"][forge_profile_id]["lastVersionId"]
+        del profiles["profiles"][forge_profile_id]
+    else:
+        # this will probably break soon :(
+        game_version, forge_version = config["pack"]["forge_url"].split("/")[-2].split('-')
+        forge_game_version = f"{game_version}-forge-{forge_version}"
+    
+    if profile_id not in profiles["profiles"]:
+        profile = {
+            "name": config["pack"]["name"],
+            "gameDir": config["pack"]["location"],
+            "lastVersionId": forge_game_version,
+            "type": "custom",
+            "javaArgs": config["pack"]["java_args"],
+            "icon": util.generate_base64_icon("icon.png")
+        }
+        profiles["profiles"][profile_id] = profile
+    else:
+        profile = profiles["profiles"][profile_id]
+        profile["lastVersionId"] = forge_game_version
+        profile["icon"] = util.generate_base64_icon("icon.png")
+
+    with open(path_to_profiles, "w") as f:
+        json.dump(profiles, f, indent=2)
+
+
+def main():
+    # if we're in a bundle, download the latest pack data from remote source
+    if hasattr(sys, "_MEIPASS"):
+        util.update_self()
+
+    persistent_data_path = os.path.join(config["pack"]["location"], "modpackman.json")
+    if os.path.exists(persistent_data_path):
+        with open(persistent_data_path, "r") as f:
+            persistent_data = json.load(f)
+    else:
+        # this is the first time this pack is installed
+        pathlib.Path(config["pack"]["location"]).mkdir(parents=True, exist_ok=True)
+        persistent_data = {"last_forge_url": "no", "profile_id": str(uuid.uuid4()).replace('-', '')}
+        if os.path.exists(os.path.join(util.find_minecraft_directory(), 'options.txt')):
+            shutil.copyfile(os.path.join(util.find_minecraft_directory(), 'options.txt'), os.path.join(config["pack"]["location"], "options.txt"))
+
+    if config["pack"]["forge_url"] != persistent_data["last_forge_url"]:
+        setup_forge(persistent_data["profile_id"])
+        persistent_data["last_forge_url"] = config["pack"]["forge_url"]
+        with open(persistent_data_path, "w") as f:
+            json.dump(persistent_data, f, indent=2)
+    
+    ##todo install mods
+    install()
+
+
+
+
+
+if __name__ == '__main__':
+    main()