$ git clone -n http://fedora.riscv.rocks:3000/rpms/compiler-rt.git /var/lib/mock/f38-build-704798-90154/root/chroot_tmpdir/scmroot/compiler-rt
Cloning into '/var/lib/mock/f38-build-704798-90154/root/chroot_tmpdir/scmroot/compiler-rt'...
$ git reset --hard 21574064e4840c952f11701d13efe59d3b55c496
HEAD is now at 2157406 Try again to disable LTO on riscv64