For Fedora Rawhide run the following as root:
dnf config-manager --add-repo https://download.opensuse.org/repositories/graphics:darktable:stable/Fedora_Rawhide/graphics:darktable:stable.repo
dnf install exiv2
For Fedora 39 run the following as root:
dnf config-manager --add-repo https://download.opensuse.org/repositories/graphics:darktable:stable/Fedora_39/graphics:darktable:stable.repo
dnf install exiv2
For Fedora 38 run the following as root:
dnf config-manager --add-repo https://download.opensuse.org/repositories/graphics:darktable:stable/Fedora_38/graphics:darktable:stable.repo
dnf install exiv2