$ git clone -n https://src.fedoraproject.org/rpms/R-tidyr.git /var/lib/mock/f38-build-side-42-init-devel-594470-26158/root/chroot_tmpdir/scmroot/R-tidyr
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-594470-26158/root/chroot_tmpdir/scmroot/R-tidyr'...
$ git fetch origin 2fa7e0c9f8d15459aea27d1b4ca0bbf1bc265224:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-tidyr
 * [new ref]         2fa7e0c9f8d15459aea27d1b4ca0bbf1bc265224 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2fa7e0c update to 1.3.0