From c88ea95718afac61c3416022bc8482b61d4f6d54 Mon Sep 17 00:00:00 2001
From: Yuri Sizov <yuris@humnom.net>
Date: Fri, 24 Mar 2023 14:10:18 +0100
Subject: [PATCH] Add a script to fetch hashes of all publicly available
 downloads

---
 extract-hashes.py | 100 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 extract-hashes.py

diff --git a/extract-hashes.py b/extract-hashes.py
new file mode 100644
index 0000000..ecfd997
--- /dev/null
+++ b/extract-hashes.py
@@ -0,0 +1,100 @@
+import os
+import urllib.request
+import urllib.error
+import re
+
+url = 'https://downloads.tuxfamily.org/godotengine/'
+
+with urllib.request.urlopen(url) as response:
+    html = response.read().decode()
+
+pattern = re.compile(r'<a href="(\d\.\d(\.\d(\.\d)?)?/)">')
+matches = pattern.findall(html)
+
+version_names = []
+for match in matches:
+    subfolder_name = match[0]
+    if subfolder_name.endswith('/'):
+        version_names.append(subfolder_name[:-1])
+
+# Create output directory if it doesn't exist
+if not os.path.exists("./temp/configs"):
+    os.makedirs("./temp/configs")
+
+for version_name in version_names:
+    output_path = f"./temp/configs/godotengine.godot.{version_name}.json"
+    with open(output_path, 'w') as f:
+        version_bits = version_name.split(".")
+        last_bit = int(version_bits.pop())
+
+        if last_bit == 0:
+            last_bit = int(version_bits.pop())
+            last_bit -= 1
+            version_bits.append(str(last_bit))
+        elif last_bit > 0:
+            last_bit -= 1
+            if last_bit > 0:
+                version_bits.append(str(last_bit))
+
+        if len(version_bits) == 1:
+            version_bits.append("0")
+
+        previous_version = ".".join(version_bits)
+
+        f.write(
+            f'{{\n'
+            f'    "name": "{version_name}",\n'
+            f'    "ref": "{version_name}-stable",\n'
+            f'    "from_ref": "{previous_version}-stable",\n'
+            f'    "article": "",\n'
+            f'\n'
+            f'    "releases": [\n'
+        )
+
+        version_url = url + version_name
+        with urllib.request.urlopen(version_url) as response:
+            subfolder_html = response.read().decode()
+
+        subfolder_pattern = re.compile(r'<a href="([^"]+/)">')
+        subfolder_matches = subfolder_pattern.findall(subfolder_html)
+
+        folder_names = [match[:-1] for match in subfolder_matches if match not in ['mono/', '../']]
+        for folder_name in folder_names:
+            readme_url = f"{version_url}/{folder_name}/README.txt"
+            commit_hash = "";
+            try:
+                with urllib.request.urlopen(readme_url) as response:
+                    readme_text = response.read().decode()
+                    commit_pattern = re.compile(r'Built from commit ([a-f0-9]+)')
+                    commit_match = commit_pattern.search(readme_text)
+
+                    if commit_match:
+                        commit_hash = commit_match.group(1)
+            except urllib.error.HTTPError:
+                pass
+
+            f.write(
+                f'        {{\n'
+                f'            "name": "{folder_name}",\n'
+                f'            "ref": "{commit_hash}",\n'
+                f'            "from_ref": "",\n'
+                f'            "article": ""\n'
+                f'        }},\n'
+            )
+
+        # Add the stable release, always
+        f.write(
+            f'        {{\n'
+            f'            "name": "stable",\n'
+            f'            "ref": "{version_name}-stable",\n'
+            f'            "from_ref": "",\n'
+            f'            "article": ""\n'
+            f'        }}\n'
+        )
+
+        f.write(
+            f'    ]\n'
+            f'}}\n'
+        )
+
+        print(f"Written config '{output_path}'")