$ git clone -n https://src.fedoraproject.org/rpms/rust-nu-utils.git /var/lib/mock/f38-build-side-42-init-devel-1141066-30426/root/chroot_tmpdir/scmroot/rust-nu-utils
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1141066-30426/root/chroot_tmpdir/scmroot/rust-nu-utils'...
$ git fetch origin e05386b84b7cd5ef498103b8cd4b35846be2eb4a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nu-utils
 * [new ref]         e05386b84b7cd5ef498103b8cd4b35846be2eb4a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e05386b Update to 0.80.0