When building a package from the AUR for which there are missing keys,
yay will now prompt the user whether it should try to import such keys
using gpg:
[...]
:: Parsing SRCINFO (1/3): libc++ (libc++abi libc++)
:: Parsing SRCINFO (2/3): aurutils
:: Parsing SRCINFO (3/3): cower
==> GPG keys need importing:
487EACC08557AD082088DABA1EB2638FF56C0C53, required by: cower
11E521D646982372EB577A1F8F0871F202119294, required by: libc++ (libc++abi libc++)
B6C8F98282B944E3B0D5C2530FC3042E345AD05D, required by: libc++ (libc++abi libc++)
DBE7D3DD8C81D58D0A13D0E76BC26A17B9B7018A, required by: aurutils
==> Import? [Y/n]
[...]
Default is to try to import the problematic keys ([Y/n]).