update of nvidia-drivers fails because files in folder /usr/portage/x11-drivers/nvidia-drivers/files/eblits are not in Manifest file Reproducible: Always Steps to Reproduce: 1.emerge --sync 2.emerge -u nvidia-drivers 3. ebuild nvidia-drivers-180.29.ebuild manifest solved the problem for me
My emerge --sync cronjob from last night appears to have pulled in a fix to this. My x11-drivers/nvidia-drivers package updated itself splendidly today (when it was definitely broken yesterday). Cheers to the fixer for being so prompt!