Class: GemCP::Tools::CompareVersions

Inherits:
Base
  • Object
show all
Defined in:
lib/gemcp/tools/compare_versions.rb

Overview

Compare dependency requirements between two versions of the same gem. Shows added, removed, and changed dependencies.

Instance Method Summary collapse

Methods inherited from Base

#initialize

Constructor Details

This class inherits a constructor from GemCP::Tools::Base

Instance Method Details

#call(name:, old_version:, new_version:) ⇒ Hash

Returns MCP response.

Parameters:

  • name (String) —

    gem name

  • old_version (String) —

    older version

  • new_version (String) —

    newer version

Returns:

  • (Hash) —

    MCP response



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# File 'lib/gemcp/tools/compare_versions.rb', line 23

def call(name:, old_version:, new_version:)
  result = with_errors do
    old_meta = client.version(name, old_version)
    new_meta = client.version(name, new_version)

    old_deps = normalize_deps(old_meta)
    new_deps = normalize_deps(new_meta)

    added = (new_deps.keys - old_deps.keys).map { |n| { name: n, requirements: new_deps[n] } }
    removed = (old_deps.keys - new_deps.keys).map { |n| { name: n, requirements: old_deps[n] } }
    changed = (old_deps.keys & new_deps.keys).filter_map do |n|
      next if old_deps[n] == new_deps[n]
      { name: n, old_requirements: old_deps[n], new_requirements: new_deps[n] }
    end

    {
      name: name,
      old_version: old_version,
      new_version: new_version,
      old_ruby_version: old_meta["ruby_version"],
      new_ruby_version: new_meta["ruby_version"],
      dependencies: {
        added: added,
        removed: removed,
        changed: changed,
        unchanged: (old_deps.keys & new_deps.keys).count - changed.length
      }
    }
  end
  render(result)
end