$ git clone -n https://src.fedoraproject.org/rpms/groonga-normalizer-mysql.git /var/lib/mock/f40-build-2209836-52168/root/chroot_tmpdir/scmroot/groonga-normalizer-mysql
Cloning into '/var/lib/mock/f40-build-2209836-52168/root/chroot_tmpdir/scmroot/groonga-normalizer-mysql'...
$ git fetch origin 03ab4ae42b5f66a13f15c6a51fcbeb6776b46b8b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/groonga-normalizer-mysql
 * [new ref]         03ab4ae42b5f66a13f15c6a51fcbeb6776b46b8b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 03ab4ae fix build; enable packit