diff --git a/gradle/README.md b/gradle/README.md
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+++ b/gradle/README.md
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+# Flatpak Gradle Generator
+
+Tool to automatically generate a `flatpak-builder` sources file from a Gradle log.
+
+## Requirements
+
+You need to have `org.freedesktop.Sdk` and `org.freedesktop.Sdk.Extension.openjdk11` installed,
+both branch 21.08.
+
+## Usage
+
+From withing the application's source directory, run:
+
+```
+flatpak run --command=bash --share=network --filesystem=`pwd` -d org.freedesktop.Sdk//21.08
+```
+
+This will enter the sandbox sharing just the current directory between your home directory
+and the source application, then do what's needed to compile the application, for example,
+for Ghidra:
+
+```sh
+$ source /usr/lib/sdk/openjdk11/enable.sh
+$ rm -rf gradle-cache
+$ mkdir -p dependencies/flatRepo/
+
+# Install some ghidra specific files, should probably be installed by hand/outside this script
+$ wget https://github.com/pxb1988/dex2jar/releases/download/2.0/dex-tools-2.0.zip
+$ unzip -j dex-tools-2.0.zip "*.jar" -d dependencies/flatRepo/
+$ wget -P dependencies/flatRepo/ https://storage.googleapis.com/google-code-archive-downloads/v2/code.google.com/android4me/AXMLPrinter2.jar
+
+# Launch gradle build with `--info` to log all the http(s) URLs
+$ gradle -g gradle-cache/ --info --console plain buildGhidra > gradle-log.txt
+```
+
+Then exit the sandbox (Ctrl+D or `exit`), and parse the build log by running:
+
+```
+flatpak-gradle-generator.py gradle-log.txt gradle-dependencies.json
+```
+
+To make reproducing the build easier, we recommend that you create a `script.sh` with
+the manual commands above to ship in your Flatpak repository, so you can run:
+
+```
+$ flatpak run --command=bash --share=network --filesystem=`pwd` -d org.freedesktop.Sdk//21.08 ./script.sh
+$ flatpak-gradle-generator.py gradle-log.txt gradle-dependencies.json
+```
diff --git a/gradle/flatpak-gradle-generator.py b/gradle/flatpak-gradle-generator.py
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+++ b/gradle/flatpak-gradle-generator.py
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+#!/usr/bin/env python3
+
+__license__ = 'MIT'
+import aiohttp
+import argparse
+import asyncio
+import json
+import hashlib
+import logging
+import re
+
+arches = {
+        'linux-x86_64': 'x86_64',
+        'linux-x86_32': 'i386',
+        'linux-aarch_64': 'aarch64',
+        'linux-aarch_32': 'arm'
+}
+
+async def get_remote_sha256(url):
+    logging.info(f"started sha256({url})")
+    sha256 = hashlib.sha256()
+    async with aiohttp.ClientSession(raise_for_status=True) as http_session:
+        async with http_session.get(url) as response:
+            while True:
+                data = await response.content.read(4096)
+                if not data:
+                    break
+                sha256.update(data)
+    logging.info(f"done sha256({url})")
+    return sha256.hexdigest()
+
+async def parse_url(url, destdir, arch=None):
+    ret = [{ 'type': 'file',
+            'url': url,
+            'sha256': await get_remote_sha256(url),
+            'dest': destdir, }]
+    if arch:
+        ret[0]['only-arches'] = [arch]
+    return ret
+
+def arch_for_url(url, urls_arch):
+    arch = None
+    try:
+        arch = urls_arch[url]
+    except KeyError:
+        pass
+    return arch
+
+async def parse_urls(urls, urls_arch, destdir):
+    sources = []
+    sha_coros = []
+    for url in urls:
+        arch = arch_for_url(url, urls_arch)
+        sha_coros.append(parse_url(str(url), destdir, arch))
+    sources.extend(sum(await asyncio.gather(*sha_coros), []))
+    return sources
+
+def gradle_arch_to_flatpak_arch(arch):
+    return arches[arch]
+
+def flatpak_arch_to_gradle_arch(arch):
+    rev_arches = dict((v, k) for k, v in arches.items())
+    return rev_arches[arch]
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument('input', help='The gradle log file')
+    parser.add_argument('output', help='The output JSON sources file')
+    parser.add_argument('--destdir',
+                        help='The directory the generated sources file will save sources to',
+                        default='dependencies')
+    parser.add_argument('--arches',
+                        help='Comma-separated list of architectures the generated sources will be for',
+                        default='x86_64,aarch64,i386,arm')
+    args = parser.parse_args()
+    req_flatpak_arches = args.arches.split(',')
+    req_gradle_arches = []
+    for arch in req_flatpak_arches:
+        req_gradle_arches.append(flatpak_arch_to_gradle_arch(arch))
+
+    urls = []
+    urls_arch = {}
+    r = re.compile('https://[\w/\-?=%.]+\.[\w/\-?=%.]+')
+    with open(args.input,'r') as f:
+        for lines in f:
+            res = r.findall(lines)
+            for url in res:
+                if url.endswith('.jar'):
+                    urls.append(url)
+                elif url.endswith('.exe'):
+                    for host in req_gradle_arches:
+                        if host in url:
+                            for arch in req_gradle_arches:
+                                new_url = url.replace(host, arch)
+                                urls.append(new_url)
+                                urls_arch[new_url] = gradle_arch_to_flatpak_arch(arch)
+
+    # print(urls)
+    # print(urls_arch)
+
+    sources = asyncio.run(parse_urls(urls, urls_arch, args.destdir))
+
+    with open(args.output, 'w') as fp:
+        json.dump(sources, fp, indent=4)
+        fp.write('\n')
+
+
+if __name__ == '__main__':
+    main()