$ git clone -n https://gitee.com/wanghuan158/qemu.git /var/lib/mock/dist-an23.4-build-545364-86718/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23.4-build-545364-86718/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin 15c50e74f01b00356e550676d960208b1b1cde5e:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/qemu
 * [new ref]         15c50e74f01b00356e550676d960208b1b1cde5e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 15c50e7 Sync upstream changes