Installation of "kgeotag" AUR fails due to missing key

[Yochanan]

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AUR package fails to verify PGP/GPG key: “unknown public key”, “One or more PGP signatures could not be verified!”

Summary If you get llvm-5.0.1.src.tar.xz … FAILED (unknown public key 8F0871F202119294) then gpg --recv-key 8F0871F202119294 and try again. Enter the key ID as appropriate. Detail Many AUR packages contain lines to enable validating downloaded packages though the use of a PGP key. This establishes a level of trust between the software author and anyone who downloads the software - if you trust the key, and the download validates against the key, then you can trust the download. Pacman ha…