$ git clone -n https://src.fedoraproject.org/rpms/nvtop.git /var/lib/mock/f39-build-1560472-37339/root/chroot_tmpdir/scmroot/nvtop
Cloning into '/var/lib/mock/f39-build-1560472-37339/root/chroot_tmpdir/scmroot/nvtop'...
$ git fetch origin 6d390eb64c9c90886bee972c8d542e34d5bcc33a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nvtop
 * [new ref]         6d390eb64c9c90886bee972c8d542e34d5bcc33a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d390eb Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild