Plus one to this initiative! I also wanted to share the tip to use libfaketime as the easiest way to test if a build or test suite works on an arbitrary future date. I am currently testing that the MariaDB upstream test suite passes in 2037 and 2028 using libfaketime like this: https://salsa.debian.org/mariadb-team/mariadb-server/-/merge_requests/74/diffs#diff-content-b1dbf22e88351ec0d5d1d1a7f53295504b480e61
Syntax: faketime <date> <command> Example: faketime "2038-03-03" mariadb-test-run