$ git clone -n https://src.fedoraproject.org/rpms/ghc-turtle.git /var/lib/mock/f31-build-117049-34599/root/chroot_tmpdir/scmroot/ghc-turtle
Cloning into '/var/lib/mock/f31-build-117049-34599/root/chroot_tmpdir/scmroot/ghc-turtle'...
$ git reset --hard 6bfc3c639aa50d65a994101c3dfe9f0dd63f4aa9
HEAD is now at 6bfc3c6 BR prof for lib and static for executable