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#!/usr/bin/env python3
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"""
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Script to update the pinned opencode version in Bonk CI workflow files.
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This script:
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1. Fetches the latest opencode-ai version from the npm registry
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2. Scans all workflow files in .github/workflows/ for opencode_version pins
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3. Updates them to the latest version
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"""
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import json
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import re
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import sys
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import urllib.request
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from pathlib import Path
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WORKFLOW_DIR = Path(__file__).resolve().parent.parent / ".github" / "workflows"
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# Matches opencode_version: 'X.Y.Z' or opencode_version: "X.Y.Z"
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OPENCODE_VERSION_RE = re.compile(
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    r"""(opencode_version:\s*)(["'])([^"']*)\2""",
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)
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def fetch_latest_version():
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    """Fetch the latest opencode-ai version from the npm registry."""
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    url = "https://registry.npmjs.org/opencode-ai/latest"
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    headers = {
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        "User-Agent": "workerd-opencode-version-updater",
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        "Accept": "application/json",
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    }
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    req = urllib.request.Request(url, headers=headers)
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    try:
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        with urllib.request.urlopen(req) as response:
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            data = json.loads(response.read().decode())
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            return data["version"]
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    except Exception as e:
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        print(f"Error fetching latest opencode-ai version: {e}", file=sys.stderr)
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        sys.exit(1)
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def update_workflow_file(path, new_version):
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    """Update the opencode_version field in a workflow file.
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    Returns True if the file was changed.
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    """
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    content = path.read_text()
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    # Replace the version while preserving the original quote style.
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    new_content = OPENCODE_VERSION_RE.sub(
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        rf"\g<1>\g<2>{new_version}\2",
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        content,
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    )
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    if new_content != content:
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        path.write_text(new_content)
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        return True
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    return False
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def find_workflow_files():
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    """Find all workflow files that contain an opencode_version pin."""
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    return [
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        path
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        for path in sorted(WORKFLOW_DIR.glob("*.yml"))
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        if OPENCODE_VERSION_RE.search(path.read_text())
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    ]
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def main():
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    print("Fetching latest opencode-ai version from npm...")
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    latest = fetch_latest_version()
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    print(f"Latest version: {latest}")
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    workflow_files = find_workflow_files()
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    if not workflow_files:
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        print("No workflow files with opencode_version pins found", file=sys.stderr)
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        sys.exit(1)
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    changed = False
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    for path in workflow_files:
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        relpath = path.relative_to(WORKFLOW_DIR.parent.parent)
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        if update_workflow_file(path, latest):
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            print(f"Updated {relpath} to {latest}")
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            changed = True
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        else:
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            print(f"No changes needed in {relpath}")
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    if not changed:
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        print(f"Already at latest version ({latest})")
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if __name__ == "__main__":
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    main()