$ git clone -n https://src.fedoraproject.org/rpms/ocaml-charinfo-width.git /var/lib/mock/f38-build-side-42-init-devel-678019-26695/root/chroot_tmpdir/scmroot/ocaml-charinfo-width
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-678019-26695/root/chroot_tmpdir/scmroot/ocaml-charinfo-width'...
$ git fetch origin 61ff88901f6e91e944c142b627c8ff887f39b110:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-charinfo-width
 * [new ref]         61ff88901f6e91e944c142b627c8ff887f39b110 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61ff889 Rebuild OCaml packages for F38