$ git clone -n https://src.fedoraproject.org/rpms/fcitx5-sayura.git /var/lib/mock/f45-build-8800-396/root/chroot_tmpdir/scmroot/fcitx5-sayura
Cloning into '/var/lib/mock/f45-build-8800-396/root/chroot_tmpdir/scmroot/fcitx5-sayura'...
$ git fetch origin 0eaa7b569ae74446a61c6e47dcc1ef3c0737558a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fcitx5-sayura
 * [new ref]         0eaa7b569ae74446a61c6e47dcc1ef3c0737558a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0eaa7b5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild