$ git clone -n https://src.fedoraproject.org/rpms/fasterxml-oss-parent.git /var/lib/mock/f40-build-2132246-50808/root/chroot_tmpdir/scmroot/fasterxml-oss-parent
Cloning into '/var/lib/mock/f40-build-2132246-50808/root/chroot_tmpdir/scmroot/fasterxml-oss-parent'...
$ git fetch origin 62f8b79663485a780c1c533b8d21d99713f22acf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fasterxml-oss-parent
 * [new ref]         62f8b79663485a780c1c533b8d21d99713f22acf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 62f8b79 [packit] 56 upstream release