#!/usr/bin/env nix
#! nix shell nixpkgs#bash nixpkgs#jq nixpkgs#gnused nixpkgs#nixVersions.latest nixpkgs#attic-client --command bash

#set -x
#set -v
set -e

# retrieve all paths under 2G
nix_paths=$(nix path-info --json --all --closure-size \
  | jq 'map_values(.closureSize | select(. < 2e9)) | to_entries | sort_by(.value)' \
  | jq 'map(.key) | join("\n")' | sed -E -e 's/\\n/\n/g;s/^"//g;s/"$//g')

readarray -t nix_path_array < <(echo "$nix_paths")

batchsize=1000

for((i=0; i < ${#nix_path_array[@]}; i+=batchsize))
do
    part=( "${nix_path_array[@]:i:batchsize}" )

    attic push nix-cache "${part[@]}"
done