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

Calculating dependencies ... done!
Dependency resolution took 1.21 s (backtrack: 1/20).

[ebuild  N     ] dev-lang/go-bootstrap-1.24.6::gentoo  USE="(-big-endian)" 71370 KiB
[ebuild  N     ] dev-lang/go-1.27.2:0/1.27.2::gentoo  CPU_FLAGS_X86="sse2" 34312 KiB
[ebuild  N     ] dev-util/promu-0.17.0::gentoo  251 KiB
[ebuild  N     ] net-mail/mailutils-3.21::gentoo  USE="clients gdbm nls pam python (split-usr) ssl threads -berkdb -bidi -emacs -guile -kerberos -kyotocabinet -ldap -mysql -postgres -sasl -servers -static-libs -tcpd -test -tokyocabinet" GUILE_SINGLE_TARGET="3-0 -2-2" PYTHON_SINGLE_TARGET="python3_14 -python3_12 -python3_13" 3302 KiB
[ebuild  N     ] virtual/mailx-4::gentoo  0 KiB
[ebuild  N     ] sys-apps/smartmontools-7.5-r1::gentoo  USE="daemon update-drivedb -caps (-selinux) -static (-systemd) -verify-sig" 1097 KiB
[ebuild  N     ] app-metrics/smartctl_exporter-0.12.0-r2::gentoo  1463 KiB

Total: 7 packages (7 new), Size of downloads: 111792 KiB