nixpkgs/pkgs/tools/admin/meshcentral/update.sh
2021-07-29 11:30:04 +02:00

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#!/usr/bin/env nix-shell
#! nix-shell -i bash -p nodejs yarn yarn2nix jq rsync common-updater-scripts moreutils
set -exuo pipefail
expr_dir=$(cd "$(dirname "$0")"; pwd)
tmp=$(mktemp -dt update-meshcentral.XXXXXX)
npm show --json meshcentral > "$tmp/npm.json"
version=$(<"$tmp/npm.json" jq -r .version)
tarball=$(<"$tmp/npm.json" jq -r .dist.tarball)
prefetch=$(nix-prefetch-url --unpack --print-path "$tarball" | tr '\n' ' ')
read -r hash storePath <<<"$prefetch"
cd "$tmp"
rsync -r --chmod=u=rwX "$storePath/" package/
cd package
# Very crude way of discovering optional dependencies. These are
# fetched at runtime by stock upstream, but we don't allow that kind
# of thing in nix :)
awk <meshcentral.js "
BEGIN { RS=\"[\n;]\" }
match(\$0, /(modules|passport) = (\[.*\])$/, a) { print a[2] }
match(\$0, /(modules|passport).push\(('[^']+')\)/, a) { print a[2] }
" |
tr \' \" |
jq --slurp '[if type == "array" then .[] else . end] | flatten' |
# And an equally crude way of adding them to package.json. We
# can't use yarn add here, because that will blow up on
# dependencies which don't support the current platform. Even with
# --optional.
jq --slurpfile package package.json \
'(. | map(. | capture("(?<name>@?[^@]+)(@(?<version>.+))?") | { key: .name, value: (.version // "*")}) | from_entries) as $optionalDependencies | $package | .[] | .optionalDependencies |= . + $optionalDependencies' |
sponge package.json
# Fetch all the optional dependencies, so we have them available in
# yarn.lock/yarn.nix
yarn install --ignore-scripts
cp package.json "$expr_dir"
cp yarn.lock "$expr_dir/yarn.lock"
yarn2nix > "$expr_dir/yarn.nix"
cd "$expr_dir/../../../.."
update-source-version meshcentral "$version" "$hash" "$tarball"
# Only clean up if everything worked
cd /
rm -rf "$tmp"