$ git clone -n https://src.fedoraproject.org/rpms/R-coda.git /var/lib/mock/f45-build-6024-345/root/chroot_tmpdir/scmroot/R-coda
Cloning into '/var/lib/mock/f45-build-6024-345/root/chroot_tmpdir/scmroot/R-coda'...
$ git fetch origin 279f55a64bba165111221483272b9d0da27b1b2f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-coda
 * [new ref]         279f55a64bba165111221483272b9d0da27b1b2f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 279f55a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild