$ git clone -n https://src.fedoraproject.org/rpms/man-pages-ja.git /var/lib/mock/f45-build-17989-506/root/chroot_tmpdir/scmroot/man-pages-ja
Cloning into '/var/lib/mock/f45-build-17989-506/root/chroot_tmpdir/scmroot/man-pages-ja'...
$ git fetch origin d5b895d8af6a8bc07fb09568556c59a67f938739:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/man-pages-ja
 * [new ref]         d5b895d8af6a8bc07fb09568556c59a67f938739 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d5b895d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild