$ git clone -n https://src.fedoraproject.org/rpms/llvm7.0.git /var/lib/mock/f37-build-665894-74278/root/chroot_tmpdir/scmroot/llvm7.0
Cloning into '/var/lib/mock/f37-build-665894-74278/root/chroot_tmpdir/scmroot/llvm7.0'...
$ git reset --hard 04d46eb925a1c37d95d4799ba7591d6cac844b50
HEAD is now at 04d46eb Rebuilt for https://fedoraproject.org/wiki/Changes/LIBFFI34