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

Calculating dependencies ... done!
Dependency resolution took 1.02 s (backtrack: 0/20).

[ebuild  N     ] app-admin/hddtemp-0.3_beta15-r29::gentoo  USE="nls -network-cron" 308 KiB

Total: 1 package (1 new), Size of downloads: 308 KiB