$ git clone -n https://src.fedoraproject.org/rpms/jackson-dataformats-binary.git /var/lib/mock/f38-build-side-42-init-devel-765675-27717/root/chroot_tmpdir/scmroot/jackson-dataformats-binary
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-765675-27717/root/chroot_tmpdir/scmroot/jackson-dataformats-binary'...
$ git fetch origin a2a133589d6cc18c9fb10d70993933d7928744cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jackson-dataformats-binary
 * [new ref]         a2a133589d6cc18c9fb10d70993933d7928744cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a2a1335 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild