1

我正在尝试将来自所有 git 子模块的文件包含在 gemspec 文件中。gemspec 内容如下

require File.expand_path(File.dirname(__FILE__)) + '/lib/nameofgem.rb'
# Gets all files, from all submodules, and returns them
# as an array
def getSubmoduleFiles()
  files = []

  # get an array of submodule dirs by executing 'pwd' inside each submodule
  `git submodule --quiet foreach pwd`.split("\n").each do |submodule_path|

    gemRootDir = File.dirname(File.expand_path(__FILE__))

    # for each submodule, change working directory to that submodule
    Dir.chdir(submodule_path) do
      submodule_files = getSubmoduleFiles()
      # issue git ls-files in submodule's directory
      submodule_files + `git ls-files`.split("\n")

      puts "found:"
      puts submodule_files.to_s
      puts

      # prepend the submodule path to create absolute file paths
      submodule_files_fullpaths = submodule_files.map do |filename|
        "#{submodule_path}/#{filename}"
      end

      # remove leading path parts to get paths relative to the gem's root dir
      # (this assumes, that the gemspec resides in the gem's root dir)
      submodule_files_paths = submodule_files_fullpaths.map do |filename|
        filename.gsub "#{gemRootDir}/", ""
      end

      # add relative paths to gem.files
      files += submodule_files_paths
    end
  end

  return files
end

Gem::Specification.new do |s|
  s.name        = 'name'
  s.version     = "1.1.1"
  s.executables << 'exec'
  s.licenses    = ['LICENCE']
  s.summary     = "Does stuff"
  s.description = "Longer description of stuff"
  s.authors     = ["author"]
  s.email       = 'my@email'
  s.files       = `git ls-files -- lib/*`.split("\n")
  s.homepage    = 'https://example.com/'
  s.required_ruby_version = '>= 2.0.0'

  s.files += getSubmoduleFiles()
end

但是在 do 块中,我得到

[nameofgem.gemspec] 中的无效 gemspec:Gem::Specification:::Module 的未定义方法“getSubmoduleFiles”

我究竟做错了什么?为什么不能从 do 块中调用函数?

4

1 回答 1

1

似乎 gemspec 文件在范围和命名空间方面做了一些奇怪的事情(在整个文件中,而不仅仅是在 gemspec 块本身内),但是在我的头撞在我的桌子上 15 分钟之后,又喝了一杯啤酒来减轻存在的折磨引起的由于无法在 gemspec 中调用函数,我想出了一个相当干净的解决方案:只需self.在定义和调用中都放在函数名称的前面,如下所示:

def self.foo
  puts 'It works :)'
end

Gem::Specification.new do |s|
  # ...
  self.foo  # should print 'It works :)' instead of erroring out
  # ...
end

为什么这是必要的,为什么似乎没有其他人在万维网上的任何地方提出或回答过这个问题,我一点也不知道,但我们开始吧。

于 2020-12-03T10:57:52.547 回答