現象
このようなエラーが出て失敗する場合です。
Get:1 http://security.debian.org/debian-security buster/updates InRelease [65.4 kB] Get:2 http://deb.debian.org/debian buster InRelease [122 kB] Get:3 http://deb.debian.org/debian buster-updates InRelease [51.9 kB] Reading package lists... Done N: Repository 'http://deb.debian.org/debian buster InRelease' changed its 'Version' value from '10.9' to '10.10' E: Repository 'http://deb.debian.org/debian buster InRelease' changed its 'Suite' value from 'stable' to 'oldstable' N: This must be accepted explicitly before updates for this repository can be applied. See apt-secure(8) manpage for details. E: Repository 'http://security.debian.org/debian-security buster/updates InRelease' changed its 'Suite' value from 'stable' to 'oldstable' N: This must be accepted explicitly before updates for this repository can be applied. See apt-secure(8) manpage for details. E: Repository 'http://deb.debian.org/debian buster-updates InRelease' changed its 'Suite' value from 'stable-updates' to 'oldstable-updates' N: This must be accepted explicitly before updates for this repository can be applied. See apt-secure(8) manpage for details. Exited with code exit status 100 CircleCI received exit code 100
結論
--allow-releaseinfo-change オプションを付けましょう。つまり、
$ sudo apt update --allow-releaseinfo-change
としましょう。
