$ git clone -n http://fedora.riscv.rocks:3000/rpms/libunwind.git /var/lib/mock/f40-build-761442-121599/root/chroot_tmpdir/scmroot/libunwind
Cloning into '/var/lib/mock/f40-build-761442-121599/root/chroot_tmpdir/scmroot/libunwind'...
$ git reset --hard 2f04dfd5459bb0e75b9bb66edfecbfbeea144fda
HEAD is now at 2f04dfd Enable riscv64 support