$ sudo pacman-key --populate archlinux-keyring
==> ERROR: The keyring file /usr/share/pacman/keyrings/archlinux-keyring.gpg does not exist.


sudo pacman -S archlinux-keyring
warning: archlinux-keyring-20201028-1 is up to date -- reinstalling
resolving dependencies...
looking for conflicting packages...

Packages (1) archlinux-keyring-20201028-1

Total Installed Size:  1.30 MiB
Net Upgrade Size:      0.00 MiB

:: Proceed with installation? [Y/n] y
(1/1) checking keys in keyring                     [######################] 100%
(1/1) checking package integrity                   [######################] 100%
(1/1) loading package files                        [######################] 100%
(1/1) checking for file conflicts                  [######################] 100%
(1/1) checking available disk space                [######################] 100%
:: Processing package changes...
(1/1) reinstalling archlinux-keyring               [######################] 100%
==> Appending keys from archlinux.gpg...
==> Locally signing trusted keys in keyring...
  -> Locally signing key D8AFDDA07A5B6EDFA7D8CCDAD6D055F927843F1C...
  -> Locally signing key DDB867B92AA789C165EEFA799B729B06A680C281...
  -> Locally signing key 91FFE0700E80619CEB73235CA88E23E377514E00...
  -> Locally signing key 0E8B644079F599DFC1DDC3973348882F6AC6A4C2...
  -> Locally signing key AB19265E5D7D20687D303246BA1DFB64FFF979E7...
==> Importing owner trust values...
==> Disabling revoked keys in keyring...
  -> Disabling key 8F76BEEA0289F9E1D3E229C05F946DED983D4366...
  -> Disabling key 63F395DE2D6398BBE458F281F2DBB4931985A992...
  -> Disabling key 50F33E2E5B0C3D900424ABE89BDCF497A4BBCC7F...
  -> Disabling key 27FFC4769E19F096D41D9265A04F9397CDFD6BB0...
  -> Disabling key 39F880E50E49A4D11341E8F939E4F17F295AFBF4...
  -> Disabling key 8840BD07FC24CB7CE394A07CCF7037A4F27FB7DA...
  -> Disabling key 5559BC1A32B8F76B3FCCD9555FA5E5544F010D48...
  -> Disabling key 0B20CA1931F5DA3A70D0F8D2EA6836E1AB441196...
  -> Disabling key 07DFD3A0BC213FA12EDC217559B3122E2FA915EC...
  -> Disabling key 4FCF887689C41B09506BE8D5F3E1D5C5D30DB0AD...
  -> Disabling key 5A2257D19FF7E1E0E415968CE62F853100F0D0F0...
  -> Disabling key D921CABED130A5690EF1896E81AF739EC0711BF1...
  -> Disabling key 7FA647CD89891DEDC060287BB9113D1ED21E1A55...
  -> Disabling key BC1FBE4D2826A0B51E47ED62E2539214C6C11350...
  -> Disabling key 4A8B17E20B88ACA61860009B5CED81B7C2E5C0D2...
  -> Disabling key 5696C003B0854206450C8E5BE613C09CB4440678...
  -> Disabling key 684148BB25B49E986A4944C55184252D824B18E8...
  -> Disabling key 8CF934E339CAD8ABF342E822E711306E3C4F88BC...
  -> Disabling key F5A361A3A13554B85E57DDDAAF7EF7873CFD4BB6...
  -> Disabling key 5E7585ADFF106BFFBBA319DC654B877A0864983E...
  -> Disabling key 65EEFE022108E2B708CBFCF7F9E712E59AF5F22A...
  -> Disabling key 40440DC037C05620984379A6761FAD69BA06C6A9...
  -> Disabling key 34C5D94FE7E7913E86DC427E7FB1A3800C84C0A5...
  -> Disabling key 1A60DC44245D06FEF90623D6EEEEE2EEEE2EEEEE...
  -> Disabling key 81D7F8241DB38BC759C80FCE3A726C6170E80477...
  -> Disabling key E7210A59715F6940CF9A4E36A001876699AD6E84...
  -> Disabling key 5357F3B111688D88C1D88119FCF2CB179205AC90...
  -> Disabling key 4D913AECD81726D9A6C74F0ADA6426DD215B37AD...
  -> Disabling key FB871F0131FEA4FB5A9192B4C8880A6406361833...
  -> Disabling key 66BD74A036D522F51DD70A3C7F2A16726521E06D...
  -> Disabling key 487EACC08557AD082088DABA1EB2638FF56C0C53...
  -> Disabling key B1F2C889CB2CCB2ADA36D963097D629E437520BD...
  -> Disabling key 9515D8A8EAB88E49BB65EDBCE6B456CAF15447D5...
  -> Disabling key 76B4192E902C0A52642C63C273B8ED52F1D357C1...
  -> Disabling key 40776A5221EF5AD468A4906D42A1DB15EC133BAD...
  -> Disabling key D4DE5ABDE2A7287644EAC7E36D1A9E70E19DAA50...
  -> Disabling key 44D4A033AC140143927397D47EFD567D4C7EA887...
==> Updating trust database...
gpg: next trustdb check due at 2020-11-19
:: Running post-transaction hooks...
(1/1) Arming ConditionNeedsUpdate...