$ git clone -n https://src.fedoraproject.org/rpms/man-pages-zh-CN.git /var/lib/mock/f45-build-17996-506/root/chroot_tmpdir/scmroot/man-pages-zh-CN
Cloning into '/var/lib/mock/f45-build-17996-506/root/chroot_tmpdir/scmroot/man-pages-zh-CN'...
$ git fetch origin 78012f3857783215b34b04934b27fe8e35b26ca1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/man-pages-zh-CN
 * [new ref]         78012f3857783215b34b04934b27fe8e35b26ca1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78012f3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild