These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.01 s (backtrack: 0/20).

[ebuild  N     ] dev-vcs/cvs-1.12.12-r15::gentoo  USE="crypt nls pam -doc -kerberos (-selinux) -server" 3123 KiB
[ebuild  N     ] dev-vcs/colorcvs-1.4-r3::gentoo  9 KiB

Total: 2 packages (2 new), Size of downloads: 3131 KiB