$ git clone -n https://src.fedoraproject.org/rpms/rust-nu-color-config.git /var/lib/mock/f41-build-side-1-3136884-39784/root/chroot_tmpdir/scmroot/rust-nu-color-config
Cloning into '/var/lib/mock/f41-build-side-1-3136884-39784/root/chroot_tmpdir/scmroot/rust-nu-color-config'...
$ git fetch origin f75aac36350a78ca19bc7d98b33d6c34f3d2e959:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-nu-color-config
 * [new ref]         f75aac36350a78ca19bc7d98b33d6c34f3d2e959 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f75aac3 Update to version 0.99.1