$ git clone -n https://gitee.com/guyvwang/fftw.git /var/lib/mock/dist-an23-build-253915-63545/root/chroot_tmpdir/scmroot/fftw
Cloning into '/var/lib/mock/dist-an23-build-253915-63545/root/chroot_tmpdir/scmroot/fftw'...
$ git reset --hard f4a633b7ae46eea442f6847e4c797feb7e00ae26
HEAD is now at f4a633b Optimise spec file