$ git clone -n https://src.fedoraproject.org/rpms/R-stringdist.git /var/lib/mock/f45-build-6436-348/root/chroot_tmpdir/scmroot/R-stringdist
Cloning into '/var/lib/mock/f45-build-6436-348/root/chroot_tmpdir/scmroot/R-stringdist'...
$ git fetch origin 1d3a14b55022bfb1ae4eebeba43d101a5540ce22:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-stringdist
 * [new ref]         1d3a14b55022bfb1ae4eebeba43d101a5540ce22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d3a14b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild