$ git clone -n https://src.fedoraproject.org/rpms/rust-plotlib.git /var/lib/mock/f45-build-43923-809/root/chroot_tmpdir/scmroot/rust-plotlib
Cloning into '/var/lib/mock/f45-build-43923-809/root/chroot_tmpdir/scmroot/rust-plotlib'...
$ git fetch origin d1e96dfc2a0031e23afcdaa383a246213cb345f7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-plotlib
 * [new ref]         d1e96dfc2a0031e23afcdaa383a246213cb345f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1e96df Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild