$ git clone -n https://src.fedoraproject.org/rpms/dcm2niix.git /var/lib/mock/f39-build-1490288-34505/root/chroot_tmpdir/scmroot/dcm2niix
Cloning into '/var/lib/mock/f39-build-1490288-34505/root/chroot_tmpdir/scmroot/dcm2niix'...
$ git fetch origin dc123a848a6e499e66440fa1e0e8cfd1846ce831:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dcm2niix
 * [new ref]         dc123a848a6e499e66440fa1e0e8cfd1846ce831 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc123a8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild