emaint — Perform Portage maintenance tasks. More information: <https://wiki.gentoo.org/wiki/Portage#emaint>.

Synchronize repositories that are set to auto-sync (default for most repositories)

sudo emaint sync {{[-a|--auto]}}

Synchronize a specific repository

sudo emaint sync {{[-r|--repo]}} {{repository}}

Synchronize all repositories

sudo emaint sync {{[-A|--allrepos]}}

Clear the Portage resume list

sudo emaint cleanresume {{[-f|--fix]}}

Clean Portage logs

sudo emaint logs {{[-C|--clean]}}