$ git clone -n https://src.fedoraproject.org/rpms/mecab-java.git /var/lib/mock/f45-build-18204-511/root/chroot_tmpdir/scmroot/mecab-java
Cloning into '/var/lib/mock/f45-build-18204-511/root/chroot_tmpdir/scmroot/mecab-java'...
$ git fetch origin d32ff2d611061bb2bcf0fe573bc82b0a028bc362:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mecab-java
 * [new ref]         d32ff2d611061bb2bcf0fe573bc82b0a028bc362 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d32ff2d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild