でぎなあい；；
$ makepkg -si
==> Making package: librewolf-bin 86.0.1-1 (Sat 20 Mar 2021 06:35:53 PM CET)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving sources...
-> Found librewolf-86.0.1-1-x86_64.pkg.tar.zst
-> Found librewolf-86.0.1-1-x86_64.pkg.tar.zst.sig
==> Validating source_x86_64 files with sha256sums...
librewolf-86.0.1-1-x86_64.pkg.tar.zst ... Passed
librewolf-86.0.1-1-x86_64.pkg.tar.zst.sig ... Skipped
==> Verifying source file signatures with gpg...
librewolf-86.0.1-1-x86_64.pkg.tar.zst ... FAILED (unknown public key 2954CC8585E27A3F)
==> ERROR: One or more PGP signatures could not be verified!