$ git clone -n https://gitee.com/wanghuan158/qemu.git /var/lib/mock/dist-an23-build-440939-73164/root/chroot_tmpdir/scmroot/qemu
Cloning into '/var/lib/mock/dist-an23-build-440939-73164/root/chroot_tmpdir/scmroot/qemu'...
$ git fetch origin 0dab93ec10929fc45f4772a705d8f8e27d69838d:KOJI_FETCH_HEAD
From https://gitee.com/wanghuan158/qemu
 * [new ref]         0dab93ec10929fc45f4772a705d8f8e27d69838d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0dab93e mm