pacman --files

Arch Linux package manager utility. See also: pacman, pkgfile. More information: https://man.archlinux.org/man/pacman.8.

• Update the package database:
  sudo pacman --files --refresh
• Find the package that owns a specific file:
  pacman --files {{filename}}
• Find the package that owns a specific file, using a regular expression:
  pacman --files --regex '{{regular_expression}}'
• List only the package names:
  pacman --files --quiet {{filename}}
• List the files owned by a specific package:
  pacman --files --list {{package}}
• Display help:
  pacman --files --help