$ sjail /zjails/www/ pkg info
hitch-1.8.0_1                  TLS proxy to forward connections to an unencrypted backend
libev-4.33_1,1                 Full-featured and high-performance event loop library
libevent-2.1.12                API for executing callback functions on events or timeouts
mohawk-2.0.21_1                Simple and lightweight HTTP daemon
sccache-overlay-0.2.15_34      Ports overlay for sccache

$ sjail /zjails/www/ pkg info -r sccache-overlay
sccache-overlay-0.2.15_34:

$ sjail /zjails/www/ pkg autoremove
Checking integrity... done (0 conflicting)
Nothing to do.

$ sjail /zjails/www/ pkg remove sccache-overlay
Checking integrity... done (0 conflicting)
Deinstallation has been requested for the following 5 packages (of 0 packages in the universe):

Installed packages to be REMOVED:
	hitch: 1.8.0_1
	libev: 4.33_1,1
	libevent: 2.1.12
	mohawk: 2.0.21_1
	sccache-overlay: 0.2.15_34

Number of packages to be removed: 5

The operation will free 9 MiB.

Proceed with deinstalling packages? [y/N]: