您将 Rails 应用程序的版本号存储在哪里？

Question

在对我们的 rails 应用程序进行版本控制时，我们使用了出色的 semantic versioning 范例。我的一个问题是最好将这个号码存储在哪里？我已经看到它存储在/lib、environment.rb 等中。

只是想知道人们对最佳实践的看法？

Answer 1

我真的不认为有任何约定。我想这都是关于你觉得很自然的事情。

一些可以放版本号的地方是：

• config/environment.rb
• config/application.rb
• config/initializers/version.rb

通过添加：

VERSION = '1.0.0'

无论您选择哪个选项（从上面） - VERSION 常量将在应用初始化时设置。

对于我的博客，我只更新了布局的页脚 - 因为版本号不用于其他任何地方。

lib-文件夹听起来有点奇怪，因为这个文件夹是用来存储可重用模块的。

Answer 2

我的偏好是创建一个生成的 rake 任务

# config/initializers/version.rb
VERSION = ["1", "0", "f3d9da7"]

FWIW，我的 rake 任务：

task :create_version do
  desc "create VERSION.  Use MAJOR_VERSION, MINOR_VERSION, BUILD_VERSION to override defaults"

  version_file = "#{Rails.root}/config/initializers/version.rb"
  major = ENV["MAJOR_VERSION"] || 1
  minor = ENV["MINOR_VERSION"] || 0
  build = ENV["BUILD_VERSION"] || `git describe --always --tags`
  version_string = "VERSION = #{[major.to_s, minor.to_s, build.strip]}\n"
  File.open(version_file, "w") {|f| f.print(version_string)}
  $stderr.print(version_string)
end

Answer 3

我的策略是让您的 VCS 标签为您完成（此处显示 git）。

将此添加到您的application.rb：

# Only attempt update on local machine
if Rails.env.development?
  # Update version file from latest git tag
  File.open('config/version', 'w') do |file|
    file.write `git describe --tags --always` # or equivalent
  end
end

config.version = File.read('config/version')

然后，您可以使用 Rails.configuration.version 在应用中的任何位置访问该版本

Answer 4

使用 rake 任务通过 rake 进行自动化控制，例如：https://gist.github.com/muxcmux/1805946

然后在 config/initializers/version.rb 中： 模块站点信息 类应用

def self.version
  "v#{self.read_version}"
end

def self.read_version
  begin
    File.read 'VERSION'
  rescue
    raise "VERSION file not found or unreadable."
  end
end

Answer 5

我个人更喜欢在应用程序类中添加一个常量。

# file: config/initializers/version.rb
class SomeApp::Application
  Version = '1.0.0'
end

Answer 6

在 Rails 4 中，@fearless_fool 上面的 rake 任务需要如下所示：

desc "create VERSION.  Use MAJOR_VERSION, MINOR_VERSION, BUILD_VERSION to override defaults"
task :create_version do
  version_file = "#{Rails.root}/config/initializers/version.rb"
  major = ENV["MAJOR_VERSION"] || 1
  minor = ENV["MINOR_VERSION"] || 0
  build = ENV["BUILD_VERSION"] || `git describe --always --tags`
  version_string = "VERSION = #{[major.to_s, minor.to_s, build.strip]}\n"
  File.open(version_file, "w") {|f| f.print(version_string)}
  $stderr.print(version_string)
end

desc 行必须存在并且必须在task :create... 行之前，以便 rake 识别它。

Answer 7

版本.rake

def valid? version
  pattern = /^\d+\.\d+\.\d+(\-(dev|beta|rc\d+))?$/
  raise "Tried to set invalid version: #{version}".red unless version =~ pattern
end

def correct_version version
  ver, flag = version.split '-'
  v = ver.split '.'
  (0..2).each do |n|
    v[n] = v[n].to_i
  end
  [v.join('.'), flag].compact.join '-'
end

def read_version
  begin 
    File.read 'VERSION'
  rescue
    raise "VERSION file not found or unreadable.".red
  end
end

def write_version version
  valid? version
  begin
    File.open 'VERSION', 'w' do |file|
      file.write correct_version(version)
    end
  rescue
    raise "VERSION file not found or unwritable.".red
  end
end

def reset current, which
  version, flag = current.split '-'
  v = version.split '.'
  which.each do |part|
    v[part] = 0
  end
  [v.join('.'), flag].compact.join '-'
end

def increment current, which
  version, flag = current.split '-'
  v = version.split '.'
  v[which] = v[which].to_i + 1
  [v.join('.'), flag].compact.join '-'
end

desc "Prints the current application version"
version = read_version
task :version do
  puts <<HELP
Available commands are:
-----------------------
rake version:write[version]   # set custom version in the x.x.x-? format
rake version:patch            # increment the patch x.x.x+1 (keeps any flags on)
rake version:minor            # increment minor and reset patch x.x+1.0 (keeps any flags on)
rake version:major            # increment major and reset others x+1.0.0 (keeps any flags on)
rake version:dev              # set the dev flag on x.x.x-dev
rake version:beta             # set the beta flag on x.x.x-beta
rake version:rc               # set or increment the rc flag x.x.x-rcX
rake version:release          # removes any flags from the current version

HELP
  puts "Current version is: #{version.green}"
end

namespace :version do

  desc "Write version explicitly by specifying version number as a parameter"
  task :write, [:version] do |task, args|
    write_version args[:version].strip
    puts "Version explicitly written: #{read_version.green}"
  end

  desc "Increments the patch version"
  task :patch do
    new_version = increment read_version, 2
    write_version new_version
    puts "Application patched: #{new_version.green}"
  end

  desc "Increments the minor version and resets the patch"
  task :minor do
    incremented = increment read_version, 1
    new_version = reset incremented, [2]
    write_version new_version
    puts "New version released: #{new_version.green}"
  end

  desc "Increments the major version and resets both minor and patch"
  task :major do
    incremented = increment read_version, 0
    new_version = reset incremented, [1, 2]
    write_version new_version
    puts "Major application version change: #{new_version.green}. Congratulations!"
  end

  desc "Sets the development flag on"
  task :dev do
    version, flag = read_version.split '-'
    new_version = [version, 'dev'].join '-'
    write_version new_version
    puts "Version in development: #{new_version.green}"
  end

  desc "Sets the beta flag on"
  task :beta do
    version, flag = read_version.split '-'
    new_version = [version, 'beta'].join '-'
    write_version new_version
    puts "Version in beta: #{new_version.green}"
  end

  desc "Sets or increments the rc flag"
  task :rc do
    version, flag = read_version.split '-'
    rc = /^rc(\d+)$/.match flag
    if rc
      new_version = [version, "rc#{rc[1].to_i+1}"].join '-'
    else
      new_version = [version, 'rc1'].join '-'
    end
    write_version new_version
    puts "New version release candidate: #{new_version.green}"
  end

  desc "Removes any version flags"
  task :release do
    version, flag = read_version.split '-'
    write_version version
    puts "Released stable version: #{version.green}"
  end

end

Answer 8

我们可以使用git gem 并创建一个初始化程序来使用git describe 设置我们的应用程序版本

将git gem 添加到开发组。

# Gemfile
# ...
group :development do
  gem 'git'
  # ...
end

别忘了运行bundle。

创建一个新的初始化文件。

# config/initializers/version.rb

if Rails.env.development?
  g = Git.open(Rails.root)
  version = g.describe
  puts "Setting application version to #{version}"
  File.write('config/VERSION', version)
end

module MyApp
  VERSION = File.read('config/VERSION').strip
end

现在我们可以像这样访问版本了：

➤  rails c
Setting application version to v2.1.3-7-gd5d8ea1
Loading development environment (Rails 5.2.3)
jruby-9.2.6.0 :001 > MyApp::VERSION
 => "v2.1.3-7-gd5d8ea1"