$ git clone -n https://src.fedoraproject.org/rpms/ghc-threads.git /var/lib/mock/f31-build-117041-34599/root/chroot_tmpdir/scmroot/ghc-threads
Cloning into '/var/lib/mock/f31-build-117041-34599/root/chroot_tmpdir/scmroot/ghc-threads'...
$ git reset --hard be477b1863e20ee3249fc44f9f3a0b5c2e6fcca7
HEAD is now at be477b1 BR prof for lib and static for executable