Local pacman dir folder setting changed needs a restart

[RaphaelRochet]

[...] looking at the code, I think the extension does not pick up the new path after changing it in the settings [...]

Originally posted by @Lythenas in https://github.com/RaphaelRochet/arch-update/issues/208#issuecomment-1585529451

[debianmain1]

The restart works...Thanks!