nixpkgs/pkgs/applications/blockchains/erigon/update.sh
2022-12-09 10:10:03 -05:00

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#!/usr/bin/env nix-shell
#! nix-shell -i oil -p jq sd nix-prefetch-github ripgrep
# TODO set to `verbose` or `extdebug` once implemented in oil
shopt --set xtrace
# we need failures inside of command subs to get the correct vendorSha256
shopt --unset inherit_errexit
const directory = $(dirname $0 | xargs realpath)
const owner = "ledgerwatch"
const repo = "erigon"
const latest_rev = $(curl -q https://api.github.com/repos/${owner}/${repo}/releases/latest | \
jq -r '.tag_name')
const latest_version = $(echo $latest_rev | sd 'v' '')
const current_version = $(jq -r '.version' $directory/pin.json)
if ("$latest_version" === "$current_version") {
echo "$repo is already up-to-date"
return 0
} else {
const tarball_meta = $(nix-prefetch-github $owner $repo --rev "$latest_rev" --fetch-submodules)
const tarball_hash = "sha256-$(echo $tarball_meta | jq -r '.sha256')"
jq ".version = \"$latest_version\" | \
.\"sha256\" = \"$tarball_hash\" | \
.\"vendorSha256\" = \"\"" $directory/pin.json | sponge $directory/pin.json
const new_vendor_sha256 = $(nix-build -A erigon 2>&1 | \
tail -n 2 | \
head -n 1 | \
sd '\s+got:\s+' '')
jq ".vendorSha256 = \"$new_vendor_sha256\"" $directory/pin.json | sponge $directory/pin.json
}