$ git clone -n https://src.fedoraproject.org/rpms/rust-pyproject-toml.git /var/lib/mock/f38-build-side-42-init-devel-1139489-30413/root/chroot_tmpdir/scmroot/rust-pyproject-toml
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1139489-30413/root/chroot_tmpdir/scmroot/rust-pyproject-toml'...
$ git fetch origin c3800616efe5579f3bb54a43dd13c50a5de8aa6b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pyproject-toml
 * [new ref]         c3800616efe5579f3bb54a43dd13c50a5de8aa6b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c380061 Update to version 0.6.1