$ git clone -n https://src.fedoraproject.org/rpms/spec2nii.git /var/lib/mock/f42-bootstrap-3462933-45593/root/chroot_tmpdir/scmroot/spec2nii
Cloning into '/var/lib/mock/f42-bootstrap-3462933-45593/root/chroot_tmpdir/scmroot/spec2nii'...
$ git fetch origin 8a8402a43cf8cdd0169e5d7e0986f7c6631625ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/spec2nii
 * [new ref]         8a8402a43cf8cdd0169e5d7e0986f7c6631625ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a8402a Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild