120 lines
2.8 KiB
Markdown
120 lines
2.8 KiB
Markdown
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date = "2021-05-10"
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tags = ["heroku","mastodon"]
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title = "mastodonでcommit-hashとdeploy-rubyをあわせて表示してみる"
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slug = "mastodon"
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+++
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mastodonって下の方に現在のverが表示されてますよね。ここに、commit-hashとrubyを表示するやつを[zunda](https://mastodon.zunda.ninja/@zundan)さんがpull-reqついでに開発してたので、それを使うといいでしょう。herokuでは`SOURCE_VERSION`からhashを取れるっぽい。
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https://github.com/zunda/mastodon/pull/27/files
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```ruby:lib/tasks/version.rake
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namespace :source do
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desc 'Record source version'
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task :version do
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hash = ENV['SOURCE_VERSION'] # available on Heroku while build
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if hash.blank?
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begin
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hash = `git rev-parse HEAD 2>/dev/null`.strip
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# ignore the error: fatal: Not a git repository
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rescue Errno::ENOENT # git command is not available
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end
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end
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unless hash.blank?
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hash_abb = hash[0..7]
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File.open('config/initializers/version.rb', 'w') do |f|
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f.write <<~_TEMPLATE
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# frozen_string_literal: true
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module Mastodon
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module Version
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module_function
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def suffix
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" at #{hash_abb} on ruby-#{RUBY_VERSION}"
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end
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def repository
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'tootsuite/mastodon'
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end
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def source_tag
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"#{hash}"
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end
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end
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end
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_TEMPLATE
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end
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end
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end
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end
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task 'assets:precompile' => ['source:version']
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```
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`rake assets:precompile`で`config/initializers/version.rb`が生成される仕組みで、表示はこの`version.rb`を参照します。形式は以下のような感じ。
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https://github.com/tootsuite/mastodon/blob/main/lib/mastodon/version.rb
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```ruby:lib/mastodon/version.rb
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# frozen_string_literal: true
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module Mastodon
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module Version
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module_function
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def major
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3
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end
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def minor
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4
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end
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def patch
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0
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end
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def flags
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'rc1'
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end
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def suffix
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''
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end
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def to_a
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[major, minor, patch].compact
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end
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def to_s
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[to_a.join('.'), flags, suffix].join
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end
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def repository
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ENV.fetch('GITHUB_REPOSITORY', 'tootsuite/mastodon')
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end
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def source_base_url
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ENV.fetch('SOURCE_BASE_URL', "https://github.com/#{repository}")
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end
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# specify git tag or commit hash here
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def source_tag
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ENV.fetch('SOURCE_TAG', nil)
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end
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def source_url
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if source_tag
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"#{source_base_url}/tree/#{source_tag}"
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else
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source_base_url
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end
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end
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def user_agent
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@user_agent ||= "#{HTTP::Request::USER_AGENT} (Mastodon/#{Version}; +http#{Rails.configuration.x.use_https ? 's' : ''}://#{Rails.configuration.x.web_domain}/)"
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end
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end
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end
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```
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