$ git clone -n https://src.fedoraproject.org/rpms/R-usethis /var/lib/mock/f41-build-side-1-3149142-40244/root/chroot_tmpdir/scmroot/R-usethis
Cloning into '/var/lib/mock/f41-build-side-1-3149142-40244/root/chroot_tmpdir/scmroot/R-usethis'...
$ git fetch origin e65638fe61b7e2ae3d30009ba2261654858b2f65:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-usethis
 * [new ref]         e65638fe61b7e2ae3d30009ba2261654858b2f65 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e65638f Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild