cupid-webpage command hangs

[TeaganKing]

cupid-webpage finishes successfully but hangs, and requires CTRL-C to exit.

@yanchunhe reported this bug

[YanchunHe]

Thanks @TeaganKing

Looks like it will finish, but takes some time. As I can see, when linking to external tools, such as ADF, it is copying figures/output from ADF.

Maybe, just need add some additional message on the standard output that, it is still doing some work, i.e., copying figures/directories.