GemVerifier

Compare gem on rubygems.org and source on git repository as follow.

1. Make temporary directory.
2. Clone repository.
3. List all gem versions.
4. Download gem from rubygems.org and unpack.
5. Checkout vesion tag like v0.1.0.
6. Get diff by diff -ru.
7. Print report to stdout as JSON.
8. Remove temporary directory.

Installation

$ git clone https://github.com/labocho/gem_verifier.git
$ cd gem_verifier
$ rake install

Usage

$ gem_verifier GEM_NAME GEM_REPOSITORY_URL

Example:

$ gem_verifier pagehook-rails https://github.com/labocho/pagehook-rails.git
Work in /var/folders/wx/5tjkwlx96tx38cpj2d_fn5z80000gn/T/d20160413-45274-1d9s4th
Clone repository https://github.com/labocho/pagehook-rails.git to repo
git clone https://github.com/labocho/pagehook-rails.git repo
Get gem versions
------------------------------
Verify 0.0.5
git checkout v0.0.5
rm -f gem.gem
rm -rf gem
Download gem 0.0.5 to gem.gem
gem unpack gem.gem
diff -ru repo gem
------------------------------
Verify 0.0.4
git checkout v0.0.4
rm -f gem.gem
rm -rf gem
Download gem 0.0.4 to gem.gem
gem unpack gem.gem
diff -ru repo gem
------------------------------
Verify 0.0.3
git checkout v0.0.3
rm -f gem.gem
rm -rf gem
Download gem 0.0.3 to gem.gem
gem unpack gem.gem
diff -ru repo gem
------------------------------
Verify 0.0.2
git checkout v0.0.2
rm -f gem.gem
rm -rf gem
Download gem 0.0.2 to gem.gem
gem unpack gem.gem
diff -ru repo gem
------------------------------
Verify 0.0.1
git checkout v0.0.1
rm -f gem.gem
rm -rf gem
Download gem 0.0.1 to gem.gem
gem unpack gem.gem
diff -ru repo gem
{
  "0.0.5": "Only in repo: .git\nOnly in repo: .gitignore\nOnly in repo: Gemfile\nOnly in repo: Gemfile.lock\nOnly in repo: pagehook-rails.gemspec\nOnly in repo: script\nOnly in repo: spec\n",
  "0.0.4": "Only in repo: .git\nOnly in repo: .gitignore\nOnly in repo: Gemfile\nOnly in repo: Gemfile.lock\nOnly in repo: pagehook-rails.gemspec\nOnly in repo: script\nOnly in repo: spec\n",
  "0.0.3": "Only in repo: .git\nOnly in repo: .gitignore\nOnly in repo: Gemfile\nOnly in repo: Gemfile.lock\nOnly in repo: pagehook-rails.gemspec\nOnly in repo: script\nOnly in repo: spec\n",
  "0.0.2": "Only in repo: .git\nOnly in repo: .gitignore\nOnly in repo: Gemfile\nOnly in repo: Gemfile.lock\nOnly in repo: pagehook-rails.gemspec\nOnly in repo: script\nOnly in repo: spec\n",
  "0.0.1": "Only in repo: .git\nOnly in repo: .gitignore\nOnly in repo: Gemfile\nOnly in repo: Gemfile.lock\nOnly in repo: pagehook-rails.gemspec\nOnly in repo: script\nOnly in repo: spec\n"
}

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/labocho/gem_verifier.

License

The gem is available as open source under the terms of the MIT License.