$ git clone -n https://src.fedoraproject.org/rpms/R-BiocParallel.git /var/lib/mock/f45-build-5886-345/root/chroot_tmpdir/scmroot/R-BiocParallel
Cloning into '/var/lib/mock/f45-build-5886-345/root/chroot_tmpdir/scmroot/R-BiocParallel'...
$ git fetch origin b90ce9dc6f5b573e8cfd18abbaf524e93a49b582:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-BiocParallel
 * [new ref]         b90ce9dc6f5b573e8cfd18abbaf524e93a49b582 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b90ce9d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild