$ git clone -n https://src.fedoraproject.org/rpms/rust-dua-cli.git /var/lib/mock/f42-build-side-1-3539444-46565/root/chroot_tmpdir/scmroot/rust-dua-cli
Cloning into '/var/lib/mock/f42-build-side-1-3539444-46565/root/chroot_tmpdir/scmroot/rust-dua-cli'...
$ git fetch origin 80ac85924139e9cef365a7fcdce40be16665308a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-dua-cli
 * [new ref]         80ac85924139e9cef365a7fcdce40be16665308a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80ac859 Update to version 2.30.1; Fixes RHBZ#2323482