$ git clone -n https://src.fedoraproject.org/rpms/ghc-ed25519.git /var/lib/mock/f31-build-111400-34159/root/chroot_tmpdir/scmroot/ghc-ed25519
Cloning into '/var/lib/mock/f31-build-111400-34159/root/chroot_tmpdir/scmroot/ghc-ed25519'...
$ git reset --hard 9978ad5de60ab4a8932c2b13989d265201a414f1
HEAD is now at 9978ad5 BR prof for lib and static for executable