1 files changed, 77 insertions, 0 deletions
diff --git a/src/ci/scripts/free-disk-space-windows-wait.py b/src/ci/scripts/free-disk-space-windows-wait.py
new file mode 100644
index 00000000000..b8612bb71c2
--- /dev/null
+++ b/src/ci/scripts/free-disk-space-windows-wait.py
@@ -0,0 +1,77 @@
+"""
+Wait for the background Windows disk cleanup process.
+"""
+
+import ctypes
+import time
+from free_disk_space_windows_util import get_pid_file, get_log_file, run_main
+
+
+def is_process_running(pid: int) -> bool:
+    PROCESS_QUERY_LIMITED_INFORMATION = 0x1000
+    processHandle = ctypes.windll.kernel32.OpenProcess(
+        PROCESS_QUERY_LIMITED_INFORMATION, 0, pid
+    )
+    if processHandle == 0:
+        # The process is not running.
+        # If you don't have the sufficient rights to check if a process is running,
+        # zero is also returned. But in GitHub Actions we have these rights.
+        return False
+    else:
+        ctypes.windll.kernel32.CloseHandle(processHandle)
+        return True
+
+
+def print_logs():
+    """Print the logs from the cleanup script."""
+    log_file = get_log_file()
+    if log_file.exists():
+        print("free-disk-space logs:")
+        # Print entire log; replace undecodable bytes to avoid exceptions.
+        try:
+            with open(log_file, "r", encoding="utf-8", errors="replace") as f:
+                print(f.read())
+        except Exception as e:
+            raise Exception(f"Failed to read log file '{log_file}'") from e
+    else:
+        print(f"::warning::Log file '{log_file}' not found")
+
+
+def read_pid_from_file() -> int:
+    """Read the PID from the pid file."""
+
+    pid_file = get_pid_file()
+    if not pid_file.exists():
+        raise Exception(
+            f"No background free-disk-space process to wait for: pid file {pid_file} not found"
+        )
+
+    pid_file_content = pid_file.read_text().strip()
+
+    # Delete the file if it exists
+    pid_file.unlink(missing_ok=True)
+
+    try:
+        # Read the first line and convert to int.
+        pid = int(pid_file_content.splitlines()[0])
+        return pid
+    except Exception as e:
+        raise Exception(
+            f"Error while parsing the pid file with content '{pid_file_content!r}'"
+        ) from e
+
+
+def main() -> int:
+    pid = read_pid_from_file()
+
+    # Poll until process exits
+    while is_process_running(pid):
+        time.sleep(3)
+
+    print_logs()
+
+    return 0
+
+
+if __name__ == "__main__":
+    run_main(main)