Function getLatestCommitTimestamp

packages/backend/src/git.ts:433–461

({
    path,
}: {
    path: string,
})

 *          is empty or if there's an error retrieving the timestamp.
 */
export const getLatestCommitTimestamp = async ({
    path,
}: {
    path: string,
}): Promise<Date | undefined> => {
    const git = createGitClientForPath(path);

    try {
        // git log --all -1 --format=%aI returns the author date of the most recent commit
        // across all branches in ISO 8601 format
        const result = await git.raw(['log', '--all', '-1', '--format=%aI']);
        const trimmed = result.trim();

        if (!trimmed) {
            return undefined; // Empty repository
        }

        const date = new Date(trimmed);
        if (isNaN(date.getTime())) {
            logger.warn(`Failed to parse commit timestamp: ${trimmed}`);
            return undefined;
        }

        return date;
    } catch (error) {
        logger.debug(`Failed to get latest commit timestamp for ${path}:`, error);
        return undefined;
    }
}

/**
 * Returns true if the git repository at the given path has no commits.