$ git clone -n https://src.fedoraproject.org/rpms/ocaml-gettext.git /var/lib/mock/f42-build-865961-173613/root/chroot_tmpdir/scmroot/ocaml-gettext
Cloning into '/var/lib/mock/f42-build-865961-173613/root/chroot_tmpdir/scmroot/ocaml-gettext'...
$ git fetch origin b21859a1f1dd0c3544113c1c65df77056c5bf3d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-gettext
 * [new ref]         b21859a1f1dd0c3544113c1c65df77056c5bf3d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b21859a OCaml 5.3.0 rebuild for Fedora 42