Files
dependency-review-action/scripts/scan_pr_lib.rb
2025-08-28 16:24:02 +01:00

129 lines
2.8 KiB
Ruby

require 'json'
require 'tempfile'
require 'open3'
require 'bundler/inline'
require 'optparse'
gemfile do
source 'https://rubygems.org'
gem 'octokit'
end
class ScanPr
def initialize
@config_file = nil
@github_token = ENV["GITHUB_TOKEN"]
validate_token
end
def run(args)
parse_options(args)
repo_nwo, pr_number = extract_repo_and_pr(args)
pr = fetch_pull_request(repo_nwo, pr_number)
event_file = create_event_file(pr)
execute_dependency_review(repo_nwo, event_file)
ensure
event_file&.unlink
end
private
def validate_token
if !@github_token || @github_token.empty?
puts "Please set the GITHUB_TOKEN environment variable"
exit -1
end
end
def parse_options(args)
op = OptionParser.new do |opts|
usage = <<EOF
Run Dependency Review on a repository.
\e[1mUsage:\e[22m
scripts/scan_pr [options] <pr_url>
\e[1mExample:\e[22m
scripts/scan_pr https://github.com/actions/dependency-review-action/pull/294
EOF
opts.banner = usage
opts.on('-c', '--config-file <FILE>', 'Use an external configuration file') do |cf|
@config_file = cf
end
opts.on("-h", "--help", "Prints this help") do
puts opts
exit
end
end
op.parse!(args)
@option_parser = op
end
def extract_repo_and_pr(args)
# make sure we have a NWO somewhere in the parameters
arg = /(?<repo_nwo>[\w\-]+\/[\w\-]+)\/pull\/(?<pr_number>\d+)/.match(args.join(" "))
if arg.nil?
puts @option_parser
exit -1
end
[arg[:repo_nwo], arg[:pr_number]]
end
def fetch_pull_request(repo_nwo, pr_number)
octo = Octokit::Client.new(access_token: @github_token)
octo.pull_request(repo_nwo, pr_number)
end
def create_event_file(pr)
event_file = Tempfile.new
event_file.write("{ \"pull_request\": #{pr.to_h.to_json}}")
event_file.close
event_file
end
def execute_dependency_review(repo_nwo, event_file)
action_inputs = {
"repo-token": @github_token,
"config-file": @config_file
}
dev_cmd_env = {
"GITHUB_REPOSITORY" => repo_nwo,
"GITHUB_EVENT_NAME" => "pull_request",
"GITHUB_EVENT_PATH" => event_file.path,
"GITHUB_STEP_SUMMARY" => "/dev/null"
}
# Merge action inputs into environment, formatting keys as INPUT_...
action_inputs_env = action_inputs.each_with_object({}) do |(name, value), h|
h["INPUT_#{name.to_s.upcase}"] = value unless value.nil?
end
env = dev_cmd_env.merge(action_inputs_env)
dev_cmd = [
"./node_modules/.bin/nodemon",
"--exec",
"node",
"-r",
"esbuild-register",
"src/main.ts"
]
Open3.popen2e(env, *dev_cmd) do |stdin, out|
while line = out.gets
puts line.gsub(@github_token, "<REDACTED>")
end
end
end
end