b52 / # emerge -pv @preserved-rebuild
!!! Section 'custom' in repos.conf has location attribute set to nonexistent directory: '/var/calculate/custom-overlay'
WARNING: One or more repositories have missing repo_name entries:

        /var/calculate/custom-overlay/profiles/repo_name

NOTE: Each repo_name entry should be a plain text file containing a
unique name for the repository on the first line.



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

Calculating dependencies... done!
[ebuild   R   ~] media-gfx/utsushi-20210526::calculate  USE="gtk jpeg network nls openmp tiff udev" 0 KiB

Total: 1 package (1 reinstall), Size of downloads: 0 KiB

The following keyword changes are necessary to proceed:
 (see "package.accept_keywords" in the portage(5) man page for more details)
# required by @preserved-rebuild (argument)
=media-gfx/utsushi-20210526 ~amd64
b52 / #