If the /etc/snapper/configs directory doesn't exist, snapper will quit with a very strange error message when trying to create a config: # snapper create-config / Failure (error.something). After creating the /etc/snapper/configs directory it worked. This should probably be created by the ebuild. I followed the documentation here: https://wiki.gentoo.org/wiki/Snapper
please report upstream too, the error message should be meaningful.
Filed an upstream bug about the error message https://github.com/openSUSE/snapper/issues/533
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=4a29ee139a69ad284306ee1199864a75246286d7 commit 4a29ee139a69ad284306ee1199864a75246286d7 Author: Yixun Lan <dlan@gentoo.org> AuthorDate: 2020-04-17 15:15:28 +0000 Commit: Yixun Lan <dlan@gentoo.org> CommitDate: 2020-04-17 15:17:35 +0000 app-backup/snapper: version bump, 0.8.7 create /etc/snapper/configs to fix bug #717126 Closes: https://bugs.gentoo.org/717126 Package-Manager: Portage-2.3.89, Repoman-2.3.20 Signed-off-by: Yixun Lan <dlan@gentoo.org> app-backup/snapper/Manifest | 1 + app-backup/snapper/snapper-0.8.7.ebuild | 78 +++++++++++++++++++++++++++++++++ 2 files changed, 79 insertions(+)