$ git clone -n https://gitee.com/mgb01105731/at-spi2-core.git /var/lib/mock/dist-an23-build-339872-69805/root/chroot_tmpdir/scmroot/at-spi2-core
Cloning into '/var/lib/mock/dist-an23-build-339872-69805/root/chroot_tmpdir/scmroot/at-spi2-core'...
$ git fetch origin 6055e964e6d587a792421af7cee0aefaffe38618:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/at-spi2-core
 * [new ref]         6055e964e6d587a792421af7cee0aefaffe38618 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6055e96 rebuild