Class: Gistory::LockfileParser

Inherits:
Object
  • Object
show all
Defined in:
lib/gistory/lockfile_parser.rb

Instance Method Summary collapse

Constructor Details

#initialize(lockfile_content:) ⇒ LockfileParser

Returns a new instance of LockfileParser.



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# File 'lib/gistory/lockfile_parser.rb', line 7

def initialize(lockfile_content:)
  @lockfile_content = lockfile_content
end

Instance Method Details

#gem_version(gem_name) ⇒ Object 



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# File 'lib/gistory/lockfile_parser.rb', line 11

def gem_version(gem_name)
  lockfile = Bundler::LockfileParser.new(@lockfile_content)
  gem_spec = lockfile.specs.find { |spec| spec.name == gem_name }
  gem_spec ? gem_spec.version.to_s : nil
rescue Bundler::LockfileError => _e
  # bundler could not parse the lockfile
  # f.i. it could have been committed with merge conflicts
  # try to parse it with a regex
  # gem version looks like "    byebug (9.0.6)"
  # TODO: what if the gem was in the merge conflict?
  regexp = /\n\s{4}#{gem_name} \((?<version>.+)\)\n/
  matches = @lockfile_content.match(regexp)
  matches ? matches[:version] : nil
end