91 lines
2.1 KiB
Ruby
91 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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require "erb"
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require "cgi"
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# How to test:
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#
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# export BUILDKITE_COMMIT="c8b601a225"
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# export BUILDKITE_BUILD_CREATOR="zzak"
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# export BUILDKITE_REPO="https://github.com/rails/rails.git"
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# export BUILDKITE_BUILD_NUMBER="60"
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# export BUILDKITE_BUILD_URL="https://buildkite.com/rails/docs-preview/builds/60"
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# export BUILDKITE_BRANCH="preview_docs"
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# export BUILDKITE_MESSAGE="commit message"
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# export BUILDKITE_PULL_REQUEST="42"
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# bundle exec rake preview_docs
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# open preview/index.html
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class PreviewDocs
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attr_reader :commit, :author, :build, :repo, :branch
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def initialize
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@commit = link_to(EnvVars.sha[0, 7], "#{EnvVars.repo}/commit/#{EnvVars.sha}")
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@author = EnvVars.actor
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@build = link_to(EnvVars.build_number, EnvVars.build_url)
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@repo = link_to(EnvVars.repo_slug, "#{EnvVars.repo}")
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@branch = link_to(EnvVars.branch, "#{EnvVars.repo}/tree/#{EnvVars.branch}")
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@message = EnvVars.message || "n/a"
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@pull_request = EnvVars.pull_request ? link_to("##{EnvVars.pull_request}", "#{EnvVars.repo}/pull/#{EnvVars.pull_request}") : "n/a"
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end
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def render(outdir)
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template = File.open("tools/preview_docs/index.html.erb").read
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result = ERB.new(template).result(binding)
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File.open("#{outdir}/index.html", "w") do |f|
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f.write result
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end
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end
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def link_to(name, url)
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"<a href=\"#{escape(url)}\">#{escape(name)}</a>"
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end
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def escape(str)
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CGI.escapeHTML(str)
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end
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end
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module EnvVars
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def self.sha
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fetch "BUILDKITE_COMMIT"
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end
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def self.actor
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fetch "BUILDKITE_BUILD_CREATOR"
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end
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def self.repo
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fetch("BUILDKITE_REPO").gsub(".git", "")
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end
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def self.repo_slug
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repo.slice(/\w+\/\w+\Z/)
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end
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def self.build_number
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fetch "BUILDKITE_BUILD_NUMBER"
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end
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def self.build_url
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fetch "BUILDKITE_BUILD_URL"
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end
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def self.branch
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fetch "BUILDKITE_BRANCH"
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end
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def self.message
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ENV.fetch "BUILDKITE_MESSAGE"
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end
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def self.pull_request
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pr = ENV.fetch("BUILDKITE_PULL_REQUEST")
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pr == "false" ? false : pr
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end
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private
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def self.fetch(env)
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ENV.fetch(env) { raise "#{env} env var undefined!" }
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end
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end
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