duckdb: fix update script to use nix-prefetch-github

#!/usr/bin/env nix-shell

#!nix-shell --pure -i bash -p cacert curl jq moreutils nix-prefetch

#!nix-shell -i bash -p cacert jq git moreutils nix nix-prefetch-github

# shellcheck shell=bash

set -euo pipefail

cd "$(dirname "${BASH_SOURCE[0]}")"

nixpkgs=$(

  while [[ ! -e .git ]]; do

    [[ ${PWD} != / ]] || exit 1

    cd ..

  done

  echo "${PWD}"

)

repo=duckdb

owner=duckdb

}

json_get() {

  jq -r "$1" < 'versions.json'

  jq -r "$1" < ./versions.json

}

json_set() {

  jq --arg x "$2" "$1 = \$x" < 'versions.json' | sponge 'versions.json'

  jq --arg x "$2" "$1 = \$x" < ./versions.json | sponge 'versions.json'

}

get_latest() {

  curl ${GITHUB_TOKEN:+" -u \":$GITHUB_TOKEN\""} -s \

    "https://api.github.com/repos/${owner}/${repo}/releases/latest" | jq -r .tag_name

}

get_sha() {

  curl ${GITHUB_TOKEN:+" -u \":$GITHUB_TOKEN\""} -s \

    "https://api.github.com/repos/${owner}/${repo}/git/ref/tags/$1" | jq -r .object.sha

  gh release --repo "${owner}/${repo}" list \

    --exclude-pre-releases \

    --limit 1 \

    --json tagName \

    --jq '.[].tagName'

}

tag=$(get_latest)

version=${tag/v/}

[[ ${version} == $(json_get .version) ]] && {

  msg "${version} is up to date"

  exit 0

}

tag="$(get_latest | sed 's/^v//g')"

sha=$(get_sha "${tag}")

sri=$(nix-prefetch -I nixpkgs="${nixpkgs}" -E "duckdb.overrideAttrs { version = \"${version}\"; }")

json=$(nix-prefetch-github "${owner}" "${repo}" --rev "v${tag}")

json_set ".version" "${version}"

json_set ".rev" "${sha}"

json_set ".hash" "${sri}"

json_set ".version" "${tag}"

json_set ".rev" "$(jq -r '.rev' <<< "${json}")"

json_set ".hash" "$(jq -r '.hash' <<< "${json}")"