Currently, due to Neovim's package not depending on eselect-vi, 'eselect vi' and 'eselect editor' don't work with it unless you also have Vim installed.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=8db60a69d97ea7dc047555ce00e20876db881aa6 commit 8db60a69d97ea7dc047555ce00e20876db881aa6 Author: Patrice Clement <monsieurp@gentoo.org> AuthorDate: 2019-03-29 09:18:55 +0000 Commit: Patrice Clement <monsieurp@gentoo.org> CommitDate: 2019-03-29 09:19:15 +0000 app-editors/neovim: add eselect-vi to DEPEND. Closes: https://bugs.gentoo.org/655536 Signed-off-by: Patrice Clement <monsieurp@gentoo.org> Package-Manager: Portage-2.3.62, Repoman-2.3.11 app-editors/neovim/neovim-0.3.4-r1.ebuild | 96 +++++++++++++++++++++++++++++++ app-editors/neovim/neovim-9999.ebuild | 3 +- 2 files changed, 98 insertions(+), 1 deletion(-)