$ git clone -n https://src.fedoraproject.org/rpms/ocaml-astring.git /var/lib/mock/f45-build-20450-570/root/chroot_tmpdir/scmroot/ocaml-astring
Cloning into '/var/lib/mock/f45-build-20450-570/root/chroot_tmpdir/scmroot/ocaml-astring'...
$ git fetch origin ce83d9ed2a9fdb2dc4f5f36c4e28958dd60e86c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ocaml-astring
 * [new ref]         ce83d9ed2a9fdb2dc4f5f36c4e28958dd60e86c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce83d9e Rebuilt for https://fedoraproject.org/wiki/Fedora_44_Mass_Rebuild