Hmm, I updated using Pamac and it seemed to run fine, other that it wanted to delete itself.
Pamac is gone but the updated yay gives an error.
:: Synchronizing package databases...
core is up to date
extra is up to date
community 5,6 MiB 1067 KiB/s 00:05 [--------------------------------] 100%
multilib is up to date
endeavouros is up to date
m-m is up to date
m-aur is up to date
m-more2 is up to date
error: could not open file /var/lib/pacman/sync/5a3d4b80-befa-11eb-91d3-184fe5c81c6e?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIWNJYAX4CSVEH53A%2F20210601%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20210601T083701Z&X-Amz-Expires=300&X-Amz-Signature=6ed1fd3183463f1c2ac5df1a1a9ed856f818b1ac3c6fa42213c2fb6ee50d985d&X-Amz-SignedHeaders=host&actor_id=0&key_id=0&repo_id=200632352&response-content-disposition=attachment%3B%20filename%3Dm-m.db&response-content-type=application%2Foctet-stream.sig.part: File name too long
error: could not open file /var/lib/pacman/sync/e72cca00-be52-11eb-9bb2-4889f242ae9c?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIWNJYAX4CSVEH53A%2F20210601%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20210601T083702Z&X-Amz-Expires=300&X-Amz-Signature=5d6c7db05796e10ff986bb7397abef231d6615fbbfa75a46ed24918ba14ceb50&X-Amz-SignedHeaders=host&actor_id=0&key_id=0&repo_id=257294958&response-content-disposition=attachment%3B%20filename%3Dm-aur.db&response-content-type=application%2Foctet-stream.sig.part: File name too long
error: could not open file /var/lib/pacman/sync/c3f8c600-9b03-11eb-990b-3f7f18a77a32?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIWNJYAX4CSVEH53A%2F20210601%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20210601T083703Z&X-Amz-Expires=300&X-Amz-Signature=7c74505df9ba432562afc3a8a18c88f8b1af4e7f3de4b18ca03941beabe5c142&X-Amz-SignedHeaders=host&actor_id=0&key_id=0&repo_id=255379748&response-content-disposition=attachment%3B%20filename%3Dm-more2.db&response-content-type=application%2Foctet-stream.sig.part: File name too long
:: Starting full system upgrade...
there is nothing to do
:: Searching databases for updates...
:: Searching AUR for updates...
there is nothing to do