$ git clone -n https://src.fedoraproject.org/rpms/ocaml-alcotest.git /var/lib/mock/f42-build-865643-173376/root/chroot_tmpdir/scmroot/ocaml-alcotest
Cloning into '/var/lib/mock/f42-build-865643-173376/root/chroot_tmpdir/scmroot/ocaml-alcotest'...
$ git fetch origin 680aac24ee1bbfd693bcd80c2f8d38677fc129f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-alcotest
 * [new ref]         680aac24ee1bbfd693bcd80c2f8d38677fc129f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 680aac2 OCaml 5.3.0 rebuild for Fedora 42