$ git clone -n https://gitee.com/fundawang/pixman.git /var/lib/mock/dist-an23-build-161214-58581/root/chroot_tmpdir/scmroot/pixman
Cloning into '/var/lib/mock/dist-an23-build-161214-58581/root/chroot_tmpdir/scmroot/pixman'...
$ git reset --hard fb469254e6da19a29bdfe6c98f17981307737bef
HEAD is now at fb46925 0.42.2