$ git clone -n https://src.fedoraproject.org/rpms/ghc-sendfile.git /var/lib/mock/f31-build-101065-33346/root/chroot_tmpdir/scmroot/ghc-sendfile
Cloning into '/var/lib/mock/f31-build-101065-33346/root/chroot_tmpdir/scmroot/ghc-sendfile'...
$ git reset --hard 33ffaf279d0a48cdd3d246668aa08c0b0006a0c5
HEAD is now at 33ffaf2 BR prof for lib and static for executable