Peter Dyballa <Peter_Dyballa@Web.DE> writes:

> 	port upgrade asciidoc cmake djvulibre

[...]

> since some dependencies there exist. And since some other ports might
> depend on the newly installed binaries the MacPorts system is being
> scanned for these. During this you might be able to see progress bars
> appear. After this stage the colour is switched.

I've installed a fresh Catalina VM with Macports, and the claim that the
"port" command doesn't issue any ANSI codes while doing this stuff is
incorrect.  I instrumented the bit in ansi-color.el that does the
fontification, and there's a whole bunch of ANSI-related sequences: