$ git clone -n https://src.fedoraproject.org/rpms/rust-nu-test-support.git /var/lib/mock/f38-build-side-42-init-devel-1135718-30361/root/chroot_tmpdir/scmroot/rust-nu-test-support
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1135718-30361/root/chroot_tmpdir/scmroot/rust-nu-test-support'...
$ git fetch origin e155edd1f0ed4f0fa73ea6ef329ce33f319d19f7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nu-test-support
 * [new ref]         e155edd1f0ed4f0fa73ea6ef329ce33f319d19f7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e155edd Update to 0.80.0