1 files changed, 82 insertions, 0 deletions
diff --git a/.github/scripts/process_changelog.py b/.github/scripts/process_changelog.py
new file mode 100644
index 00000000000..fbdfdf9ce0b
--- /dev/null
+++ b/.github/scripts/process_changelog.py
@@ -0,0 +1,82 @@
+# process_changelog.py
+import logging
+import re
+import sys
+
+# Set up basic configuration for logging
+logging.basicConfig(level=logging.INFO, format="%(levelname)s: %(message)s")
+
+
+def process_changelog(file_path, release_pr_number):
+    # Attempt to open and read the file content
+    try:
+        with open(file_path) as file:  # Default mode is 'r' for read
+            lines = file.readlines()
+    except OSError as e:  # Catching file I/O errors
+        logging.error(f"Failed to open or read file: {e}")
+        return
+
+    pr_occurrences = {}  # Dictionary to track occurrences of PR numbers
+
+    # Iterate through each line to find PR numbers
+    for i, line in enumerate(lines):
+        match = re.search(r"\(#(\d+)\)", line)  # Regex to find PR numbers
+        if match:
+            pr_number = int(match.group(1))
+            # Add line index to the list of occurrences for the PR number
+            if pr_number not in pr_occurrences:
+                pr_occurrences[pr_number] = []
+            pr_occurrences[pr_number].append(i)
+
+    # Set of indices to remove: includes all but last occurrence of each PR number
+    to_remove = {
+        i
+        for pr, indices in pr_occurrences.items()
+        if len(indices) > 1
+        for i in indices[:-1]
+    }
+    # Also remove any PR entries less than or equal to the specified release PR number
+    to_remove.update(
+        i
+        for pr, indices in pr_occurrences.items()
+        for i in indices
+        if pr <= release_pr_number
+    )
+
+    # Filter out lines marked for removal
+    processed_lines = [line for i, line in enumerate(lines) if i not in to_remove]
+
+    # Final sweep: Ensure no missed duplicates, keeping only the last occurrence
+    final_lines = []
+    seen_pr_numbers = set()  # Track seen PR numbers to identify duplicates
+    for line in reversed(
+        processed_lines
+    ):  # Start from the end to keep the last occurrence
+        match = re.search(r"\(#(\d+)\)", line)
+        if match:
+            pr_number = int(match.group(1))
+            if pr_number in seen_pr_numbers:
+                continue  # Skip duplicate entries
+            seen_pr_numbers.add(pr_number)
+        final_lines.append(line)
+    final_lines.reverse()  # Restore original order
+
+    # Write the processed lines back to the file
+    try:
+        with open(file_path, "w") as file:
+            file.writelines(final_lines)
+    except OSError as e:  # Handling potential write errors
+        logging.error(f"Failed to write to file: {e}")
+
+
+if __name__ == "__main__":
+    # Ensure correct command line arguments
+    if len(sys.argv) < 3:
+        logging.error(
+            "Usage: python process_changelog.py <changelog_file> <release_pr_number>"
+        )
+        sys.exit(1)
+
+    file_path = sys.argv[1]
+    release_pr_number = int(sys.argv[2])
+    process_changelog(file_path, release_pr_number)