$ git clone -n https://src.fedoraproject.org/rpms/rubygem-public_suffix.git /var/lib/mock/f40-build-2034146-47870/root/chroot_tmpdir/scmroot/rubygem-public_suffix
Cloning into '/var/lib/mock/f40-build-2034146-47870/root/chroot_tmpdir/scmroot/rubygem-public_suffix'...
$ git fetch origin 58b12dec3b2e3447f8f8e7f674611e69bcb4b5e6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-public_suffix
 * [new ref]         58b12dec3b2e3447f8f8e7f674611e69bcb4b5e6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 58b12de Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild