$ git clone -n https://src.fedoraproject.org/rpms/ocaml-sha.git /var/lib/mock/f42-build-3460582-45515/root/chroot_tmpdir/scmroot/ocaml-sha
Cloning into '/var/lib/mock/f42-build-3460582-45515/root/chroot_tmpdir/scmroot/ocaml-sha'...
$ git fetch origin ca7143afaa9346f27f52cd46c4293767de685ac2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-sha
 * [new ref]         ca7143afaa9346f27f52cd46c4293767de685ac2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca7143a Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild