gitlab-org--gitlab-foss/tooling/bin/find_change_diffs

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#!/usr/bin/env ruby
# frozen_string_literal: true
require 'gitlab'
require 'pathname'
# This script saves the diffs of changes in an MR to the directory specified as the first argument
gitlab_token = ENV.fetch('PROJECT_TOKEN_FOR_CI_SCRIPTS_API_USAGE')
gitlab_endpoint = ENV.fetch('CI_API_V4_URL')
mr_project_path = ENV.fetch('CI_MERGE_REQUEST_PROJECT_PATH')
mr_iid = ENV.fetch('CI_MERGE_REQUEST_IID')
abort("ERROR: Please specify a directory to write MR diffs into.") if ARGV.empty?
output_diffs_dir = Pathname.new(ARGV.shift).expand_path
Gitlab.configure do |config|
config.endpoint = gitlab_endpoint
config.private_token = gitlab_token
end
Gitlab.merge_request_changes(mr_project_path, mr_iid).changes.each do |change|
next if change['diff'].empty?
output_diffs_dir.join(File.dirname(change['new_path'])).mkpath
output_diffs_dir.join("#{change['new_path']}.diff").write(change['diff'])
end