Add godbolt link script

ci/pre-commit/update_links.py

@@ -0,0 +1,90 @@
+#!/usr/bin/env python
+
+import os
+import json
+import requests
+import subprocess
+
+def open_file(file_path):
+    with open(file_path, 'r') as file:
+        data = file.read()
+    return data
+
+def create_compiler_explorer_shortlink(file_path, compiler_id, compiler_flags):
+    source_code = open_file(file_path)
+    # Step 1: Prepare the JSON payload
+    payload = {
+        "sessions": [
+            {
+                "id": 1,
+                "language": "cuda",
+                "source": source_code,
+                "compilers": [
+                    {
+                        "id": compiler_id,
+                        "options": compiler_flags,
+                        "libs": [
+                            {
+                                "id": "cccl",
+                                "version": "trunk"
+                            },
+                            {
+                                "id": "cuco",
+                                "version": "dev"
+                            }
+                        ]
+                    }
+                ]
+            }
+        ]
+    }
+
+    # Step 2: Send a POST request to the /api/shortener endpoint
+    url = 'https://godbolt.org/api/shortener'
+    headers = {'Content-Type': 'application/json'}
+
+    response = requests.post(url, headers=headers, data=json.dumps(payload))
+
+    # Step 3: Parse the response
+    if response.status_code == 200:
+        data = response.json()
+        short_url = data.get('url')
+        if short_url:
+            return short_url
+        else:
+            print("Error: Short URL not found in response.")
+            return None
+    else:
+        print(f"Error: Request failed with status code {response.status_code}")
+        print(f"Response: {response.text}")
+        return None
+
+compiler_id = 'nvcc125u1'  # Replace with the desired compiler ID
+compiler_flags = '-std=c++17 -arch=sm_70 --expt-extended-lambda'  # Replace with your compiler flags
+EXAMPLES_DIR = "examples"
+
+def get_changed_cuda_files():
+    # Run the git command to get the changed files
+    result = subprocess.run(
+        ['git', 'diff', '--cached', '--name-only', '--diff-filter=ACM'],
+        capture_output=True,
+        text=True
+    )
+
+    # Check if the command was successful
+    if result.returncode != 0:
+        print("Error executing git command:", result.stderr)
+        return []
+
+    # Get the output and filter for .cu files in EXAMPLES_DIR
+    return result.stdout.splitlines()
+
+def main():
+    changed_files = get_changed_cuda_files()
+
+    for file in changed_files:
+        shortlink = create_compiler_explorer_shortlink(file, compiler_id, compiler_flags)
+        print(f"File: {file}: Shortlink: {shortlink}")
+
+if __name__ == "__main__":
+    main()