Не проходит проверка manifest

В хандбуке на эту тему строго не рекомендуют править файлы сумм вручную(ebuild/digest'ом или в текстовом редакторе), а советуют просто подождать и обновить порты и на крайний случай закоммитить баг.

Sometimes, when you attempt to emerge a package, it will fail with the message:

Code Listing 5.10: Digest verification failure

>>> checking ebuild checksums
!!! Digest verification failed:

This is a sign that something is wrong with the Portage tree -- often, it is because a developer may have made a mistake when committing a package to the tree.

When the digest verification fails, do not try to re-digest the package yourself. Running ebuild foo manifest will not fix the problem; it will almost certainly make it worse!

Instead, wait an hour or two for the tree to settle down. It's likely that the error was noticed right away, but it can take a little time for the fix to trickle down the Portage tree. While you're waiting, check Bugzilla and see if anyone has reported the problem yet. If not, go ahead and file a bug for the broken package.

Once you see that the bug has been fixed, you may want to re-sync to pick up the fixed digest. 

Important: This does not mean that you can re-sync your tree multiple times! As stated in the rsync policy (when you run emerge --sync), users who sync too often will be banned! In fact, it's better to just wait until your next scheduled sync, so that you don't overload the rsync servers.