$ git clone -n https://src.fedoraproject.org/rpms/rust-plotters.git /var/lib/mock/f38-build-side-43-rust-devel-1402999-31192/root/chroot_tmpdir/scmroot/rust-plotters
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1402999-31192/root/chroot_tmpdir/scmroot/rust-plotters'...
$ git fetch origin 7b71c0e592980ed0ebe4753f97195246dc19e20e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-plotters
 * [new ref]         7b71c0e592980ed0ebe4753f97195246dc19e20e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b71c0e Update to version 0.3.5; Fixes RHBZ#2104319