Rename check_data_outdated.sh → check_data_not_outdated.sh, keep wrapper for backward compat

[Copilot]

The script name check_data_outdated.sh was misleading — it exits 0 when data is not outdated and 1 when it is, so the name should reflect the success condition.

Changes

• New check_data_not_outdated.sh — carries all original logic; name now matches exit-code semantics
• check_data_outdated.sh — replaced with a thin wrapper delegating to check_data_not_outdated.sh, preserving behavior for external callers not yet updated
• mt-download-data.yml — updated reference to use check_data_not_outdated.sh
• MT.gitignore — added check_data_not_outdated.sh entry alongside existing one

# check_data_outdated.sh (backward-compat wrapper)
#!/bin/bash
SCRIPT_DIR="$(dirname "$0")";
source ${SCRIPT_DIR}/../commons/commons.sh

${SCRIPT_DIR}/check_data_not_outdated.sh;
exit $?;

[gemini-code-assist]

Code Review

This pull request refactors the data expiration check logic by moving it into a new script, check_data_not_outdated.sh, and updating check_data_outdated.sh to serve as a wrapper. The GitHub Actions workflow is also updated to reference the new script. Feedback focuses on improving shell script robustness and efficiency, specifically by quoting file paths in source and exec commands and using exec to delegate execution in the wrapper script.