$ git clone -n https://src.fedoraproject.org/rpms/rust-dua-cli.git /var/lib/mock/f39-build-2261162-54414/root/chroot_tmpdir/scmroot/rust-dua-cli
Cloning into '/var/lib/mock/f39-build-2261162-54414/root/chroot_tmpdir/scmroot/rust-dua-cli'...
$ git fetch origin 86f1ff0de266979c0066208db0a6c5957e3dc05b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-dua-cli
 * [new ref]         86f1ff0de266979c0066208db0a6c5957e3dc05b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 86f1ff0 Update to 2.20.3