$ git clone -n https://gitee.com/taijuanZZY/libunwind.git /var/lib/mock/dist-an23-build-209235-61861/root/chroot_tmpdir/scmroot/libunwind
Cloning into '/var/lib/mock/dist-an23-build-209235-61861/root/chroot_tmpdir/scmroot/libunwind'...
$ git reset --hard e90c63fe5373ab2114046909b1623985871e8cde
HEAD is now at e90c63f enable self-tests while building