$ git clone -n https://gitee.com/mgb01105731/libXxf86vm_2.git /var/lib/mock/dist-an23-build-129175-46217/root/chroot_tmpdir/scmroot/libXxf86vm_2
Cloning into '/var/lib/mock/dist-an23-build-129175-46217/root/chroot_tmpdir/scmroot/libXxf86vm_2'...
$ git reset --hard origin/a23
HEAD is now at 157d055 add doc package