39 lines
1.3 KiB
Text
39 lines
1.3 KiB
Text
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#!/usr/bin/env ruby
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# frozen_string_literal: true
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require 'gitlab'
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require 'pathname'
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# This script saves the diffs of changes in an MR to the directory specified as the first argument
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#
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# It exits with a success code if diffs are found and saved, or if there are no changes, including if the script runs in
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# a pipeline that is not for a merge request.
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gitlab_token = ENV.fetch('PROJECT_TOKEN_FOR_CI_SCRIPTS_API_USAGE')
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gitlab_endpoint = ENV.fetch('CI_API_V4_URL')
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mr_project_path = ENV['CI_MERGE_REQUEST_PROJECT_PATH']
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mr_iid = ENV['CI_MERGE_REQUEST_IID']
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puts "CI_MERGE_REQUEST_PROJECT_PATH is missing." if mr_project_path.to_s.empty?
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puts "CI_MERGE_REQUEST_IID is missing." if mr_iid.to_s.empty?
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unless mr_project_path && mr_iid
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puts "Exiting as this does not appear to be a merge request pipeline."
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exit
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end
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abort("ERROR: Please specify a directory to write MR diffs into.") if ARGV.empty?
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output_diffs_dir = Pathname.new(ARGV.shift).expand_path
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Gitlab.configure do |config|
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config.endpoint = gitlab_endpoint
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config.private_token = gitlab_token
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end
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Gitlab.merge_request_changes(mr_project_path, mr_iid).changes.each do |change|
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next if change['diff'].empty?
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output_diffs_dir.join(File.dirname(change['new_path'])).mkpath
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output_diffs_dir.join("#{change['new_path']}.diff").write(change['diff'])
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end
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