stack-orchestrator/app/data/container-build/cerc-builder-js/yarn-local-registry-fixup.sh

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#!/bin/bash
# Usage: yarn-local-registry-fixup.sh <package-to-fix> <registry-url>
# Assumes package.json and yarn.lock are in the cwd
# The purpose of this script is to take a project cloned from git
# and "fixup" its yarn.lock file such that specified dependency
# will be fetched from a registry other than the one used when
# yarn.lock was generated. It updates all checksums using data
# from the "new" registry (because due to embedded timestamps etc
# the same source code re-built later will not have the same checksum).
if [ -n "$CERC_SCRIPT_DEBUG" ]; then
set -x
fi
if [[ $# -ne 2 ]]; then
echo "Illegal number of parameters" >&2
exit 1
fi
# Exit on error
set -e
target_package=$1
local_npm_registry_url=$2
# Extract the actual version pinned in yarn.lock
# See: https://stackoverflow.com/questions/60454251/how-to-know-the-version-of-currently-installed-package-from-yarn-lock
versioned_target_package=$(yarn list --pattern ${target_package} --depth=0 --json --non-interactive --no-progress | jq -r '.data.trees[].name')
# Use yarn info to get URL checksums etc from the new registry
yarn_info_output=$(yarn info --json $versioned_target_package 2>/dev/null)
# First check if the target version actually exists.
# If it doesn't exist there will be no .data.dist.tarball element,
# and jq will output the string "null"
package_tarball=$(echo $yarn_info_output | jq -r .data.dist.tarball)
if [[ "$yarn_info_output" == "" || $package_tarball == "null" ]]; then
echo "FATAL: Target package version ($versioned_target_package) not found (or bad npm auth token)" >&2
exit 1
fi
# Code below parses out the values we need
# When running inside a container, the registry can return a URL with the wrong host name due to proxying
# so we need to check if that has happened and fix the URL if so.
if ! [[ "${package_tarball}" =~ ^${local_npm_registry_url}.* ]]; then
# HACK: I've hard-wired the host names below. Replace with proper implementation
# TODO: remove the hack when proven no longer necessary
package_tarball=$( echo ${package_tarball} | sed -e 's/localhost/gitea.local/g' )
fi
package_integrity=$(echo $yarn_info_output | jq -r .data.dist.integrity)
package_shasum=$(echo $yarn_info_output | jq -r .data.dist.shasum)
package_resolved=${package_tarball}#${package_shasum}
# Some strings need to be escaped so they work when passed to sed later
escaped_package_integrity=$(printf '%s\n' "$package_integrity" | sed -e 's/[\/&]/\\&/g')
escaped_package_resolved=$(printf '%s\n' "$package_resolved" | sed -e 's/[\/&]/\\&/g')
escaped_target_package=$(printf '%s\n' "$target_package" | sed -e 's/[\/&]/\\&/g')
if [ -n "$CERC_SCRIPT_VERBOSE" ]; then
echo "Tarball: ${package_tarball}"
echo "Integrity: ${package_integrity}"
echo "Shasum: ${package_shasum}"
echo "Resolved: ${package_resolved}"
fi
# Use magic sed regex to replace the values in yarn.lock
# Note: yarn.lock is not json so we can not use jq for this
sed -i -e '/^\"'${escaped_target_package}'.*\":$/ , /^\".*$/ s/^\([[:space:]]\{1,\}resolved \).*$/\1'\"${escaped_package_resolved}\"'/' yarn.lock
sed -i -e '/^\"'${escaped_target_package}'.*\":$/ , /^\".*$/ s/^\([[:space:]]\{1,\}integrity \).*$/\1'${escaped_package_integrity}'/' yarn.lock