Class: Bundler::Patch::ConservativeResolver

Inherits:
Resolver
  • Object
show all
Defined in:
lib/bundler/patch/conservative_resolver.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#gems_to_update ⇒ Object

Returns the value of attribute gems_to_update.



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# File 'lib/bundler/patch/conservative_resolver.rb', line 3

def gems_to_update
  @gems_to_update
end

#locked_specs ⇒ Object

Returns the value of attribute locked_specs.



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# File 'lib/bundler/patch/conservative_resolver.rb', line 3

def locked_specs
  @locked_specs
end

#minor_allowed ⇒ Object

Returns the value of attribute minor_allowed.



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# File 'lib/bundler/patch/conservative_resolver.rb', line 3

def minor_allowed
  @minor_allowed
end

#strict ⇒ Object

Returns the value of attribute strict.



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# File 'lib/bundler/patch/conservative_resolver.rb', line 3

def strict
  @strict
end

Instance Method Details

#debug_format_result(dep, res) ⇒ Object 



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# File 'lib/bundler/patch/conservative_resolver.rb', line 37

def debug_format_result(dep, res)
  a = [dep.to_s,
       res.map { |sg| [sg.version, sg.dependencies_for_activated_platforms.map { |dp| [dp.name, dp.requirement.to_s] }] }]
  [a.first, a.last.map { |sg_data| [sg_data.first.version, sg_data.last.map { |aa| aa.join(' ') }] }]
end

#filter_specs(specs, locked_spec) ⇒ Object 



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# File 'lib/bundler/patch/conservative_resolver.rb', line 43

def filter_specs(specs, locked_spec)
  res = specs.select do |sg|
    # SpecGroup is grouped by name/version, multiple entries for multiple platforms.
    # We only need the name, which will be the same, so hard coding to first is ok.
    gem_spec = sg.first

    if locked_spec
      gsv = gem_spec.version
      lsv = locked_spec.version

      must_match = @minor_allowed ? [0] : [0, 1]

      matches = must_match.map { |idx| gsv.segments[idx] == lsv.segments[idx] }
      (matches.uniq == [true]) ? gsv.send(:>=, lsv) : false
    else
      true
    end
  end

  sort_specs(res, locked_spec)
end

#search_for(dependency) ⇒ Object 



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# File 'lib/bundler/patch/conservative_resolver.rb', line 5

def search_for(dependency)
  res = super(dependency)

  dep = dependency.dep unless dependency.is_a? Gem::Dependency
  @conservative_search_for ||= {}
  #@conservative_search_for[dep] ||= # TODO turning off caching allowed a real-world sample to work, dunno why yet.
  begin
    gem_name = dep.name

    # An Array per version returned, different entries for different platforms.
    # We just need the version here so it's ok to hard code this to the first instance.
    locked_spec = @locked_specs[gem_name].first

    (@strict ?
      filter_specs(res, locked_spec) :
      sort_specs(res, locked_spec)).tap do |res|
      if ENV['DEBUG_PATCH_RESOLVER']
        # TODO: if we keep this, gotta go through Bundler.ui
        begin
          if res
            p debug_format_result(dep, res)
          else
            p "No res for #{dep.to_s}. Orig res: #{super(dependency)}"
          end
        rescue => e
          p [e.message, e.backtrace[0..5]]
        end
      end
    end
  end
end

#sort_specs(specs, locked_spec) ⇒ Object 



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# File 'lib/bundler/patch/conservative_resolver.rb', line 65

def sort_specs(specs, locked_spec)
  return specs unless locked_spec
  gem_name = locked_spec.name
  locked_version = locked_spec.version

  filtered = specs.select { |s| s.first.version >= locked_version }

  filtered.sort do |a, b|
    a_ver = a.first.version
    b_ver = b.first.version
    case
    when a_ver.segments[0] != b_ver.segments[0]
      b_ver <=> a_ver
    when !@minor_allowed && (a_ver.segments[1] != b_ver.segments[1])
      b_ver <=> a_ver
    when @gems_to_update.patching_but_not_this_gem?(gem_name)
      b_ver <=> a_ver
    else
      a_ver <=> b_ver
    end
  end.tap do |result|
    if @gems_to_update.unlocking_gem?(gem_name)
      if @gems_to_update.patching_gem?(gem_name)
        # this logic will keep a gem from updating past the patched version
        # if a more recent release (or minor, if enabled) version exists.
        # TODO: not sure if we want this special logic to remain or not.
        new_version = @gems_to_update.gem_patch_for(gem_name).new_version
        swap_version_to_end(specs, new_version, result) if new_version
      end
    else
      # make sure the current locked version is last in list.
      swap_version_to_end(specs, locked_version, result)
    end
  end
end

#swap_version_to_end(specs, version, result) ⇒ Object 



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# File 'lib/bundler/patch/conservative_resolver.rb', line 101

def swap_version_to_end(specs, version, result)
  spec_group = specs.detect { |s| s.first.version.to_s == version.to_s }
  if spec_group
    result.reject! { |s| s.first.version.to_s === version.to_s }
    result << spec_group
  end
end