This may be a little hacky, but prevents corner-cases where BASH_VERSION was set based on the default /bin/bash but the actual version being run was changed with --bash-path.
This is especially important on macOS, where /bin/bash is a very old version that doesn't support BASH_XTRACEFD but another more-recent version is installed.
This may be a little hacky, but prevents corner-cases where
BASH_VERSIONwas set based on the default/bin/bashbut the actual version being run was changed with--bash-path. This is especially important on macOS, where/bin/bashis a very old version that doesn't supportBASH_XTRACEFDbut another more-recent version is installed.Fixes #57