$ git clone -n https://src.fedoraproject.org/rpms/utop.git /var/lib/mock/f42-build-866029-173661/root/chroot_tmpdir/scmroot/utop
Cloning into '/var/lib/mock/f42-build-866029-173661/root/chroot_tmpdir/scmroot/utop'...
$ git fetch origin 782ce2889e3c08518234d7edc5c90572ea8dfeb6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/utop
 * [new ref]         782ce2889e3c08518234d7edc5c90572ea8dfeb6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 782ce28 OCaml 5.3.0 rebuild for Fedora 42