$ git clone -n https://src.fedoraproject.org/rpms/R-sessioninfo.git /var/lib/mock/f45-build-6412-348/root/chroot_tmpdir/scmroot/R-sessioninfo
Cloning into '/var/lib/mock/f45-build-6412-348/root/chroot_tmpdir/scmroot/R-sessioninfo'...
$ git fetch origin 400c95471643c06beb31dbbd82619b100491955c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-sessioninfo
 * [new ref]         400c95471643c06beb31dbbd82619b100491955c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 400c954 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild