$ git clone -n https://gitee.com/wanghuan158/qemu.git /var/lib/mock/dist-an23-build-528017-79853/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-528017-79853/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin 76f3f9013826d812e0b5426f6f76fc899419278f:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/qemu
 * [new ref]         76f3f9013826d812e0b5426f6f76fc899419278f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76f3f90 Sync upstream changes