$ git clone -n https://src.fedoraproject.org/rpms/pam-u2f.git /var/lib/mock/f39-build-1460495-33209/root/chroot_tmpdir/scmroot/pam-u2f
Cloning into '/var/lib/mock/f39-build-1460495-33209/root/chroot_tmpdir/scmroot/pam-u2f'...
$ git fetch origin 8fc510353b7032812be44d8ca8a1a506aba2f0f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pam-u2f
 * [new ref]         8fc510353b7032812be44d8ca8a1a506aba2f0f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8fc5103 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild