Change Details

Updated the mercurial script to pull the `parseurl` function from the new module if pulling from the old module fails. Also updated pulling of `remoteopts` to follow the same pattern of fallback.

Updated the mercurial script to pull the `parseurl` function from the new module if pulling from the old module fails. Also updated pulling of `remoteopts` to follow the same pattern of fallback. Fixes T13672

Updated the mercurial script to pull the `parseurl` function from the new module if pulling from the old module fails. Also updated pulling of `remoteopts` to follow the same pattern of fallback. Fixes T13672