$ git clone -n https://src.fedoraproject.org/rpms/rust-plotters-bitmap.git /var/lib/mock/f38-build-side-43-rust-devel-1402838-31192/root/chroot_tmpdir/scmroot/rust-plotters-bitmap
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1402838-31192/root/chroot_tmpdir/scmroot/rust-plotters-bitmap'...
$ git fetch origin 6acaa0e6bee459a381d9f290852af3e658e1dd25:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-plotters-bitmap
 * [new ref]         6acaa0e6bee459a381d9f290852af3e658e1dd25 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6acaa0e Update to version 0.3.3; Fixes RHBZ#2215653