$ git clone -n https://src.fedoraproject.org/rpms/ghc-data-default-instances-containers.git /var/lib/mock/f31-build-116120-34532/root/chroot_tmpdir/scmroot/ghc-data-default-instances-containers
Cloning into '/var/lib/mock/f31-build-116120-34532/root/chroot_tmpdir/scmroot/ghc-data-default-instances-containers'...
$ git reset --hard 98ba2ffab5b321dc010cfeb9480c0552918bc873
HEAD is now at 98ba2ff BR prof for lib and static for executable