It works fine as far as I can see:
Code:
# env | grep PACKAGESITE
Exit 1
# pkg_add -r add
Fetching ftp://ftp.freebsd.org/pub/FreeBSD/ports/i386/packages-7-stable/Latest/add.tbz... Done.
# pkg_delete add\*
# setenv PACKAGESITE http://example.com/
# pkg_add -r add
Error: FTP Unable to get http://example.com/add.tbz: Not Found
pkg_add: unable to fetch 'http://example.com/add.tbz' by URL
Exit 1
# uname -a
FreeBSD phong.rwxrwxrwx.net 7.0-STABLE FreeBSD 7.0-STABLE #0: Sun Aug 10 06:09:56 CEST 2008 carpetsmoker@phong.rwxrwxrwx.net:/usr/obj/usr/src/sys/PHONG i386