$ git clone -n https://gitee.com/yan1hcdc/qemu.git /var/lib/mock/dist-an23-build-441233-73164/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-441233-73164/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin 93e4e8b98d7e2278ed74b5c56ecbb37bdf735ff1:KOJI_FETCH_HEAD
From https://gitee.com/yan1hcdc/qemu
 * [new ref]         93e4e8b98d7e2278ed74b5c56ecbb37bdf735ff1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 93e4e8b update date in changelog