132 lines
2.8 KiB
Ruby
132 lines
2.8 KiB
Ruby
# frozen_string_literal: true
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##
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# The local source finds gems in the current directory for fulfilling
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# dependencies.
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class Gem::Source::Local < Gem::Source
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def initialize # :nodoc:
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@specs = nil
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@api_uri = nil
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@uri = nil
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@load_specs_names = {}
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end
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##
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# Local sorts before Gem::Source and after Gem::Source::Installed
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def <=>(other)
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case other
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when Gem::Source::Installed,
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Gem::Source::Lock then
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-1
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when Gem::Source::Local then
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0
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when Gem::Source then
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1
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else
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nil
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end
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end
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def inspect # :nodoc:
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keys = @specs ? @specs.keys.sort : 'NOT LOADED'
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"#<%s specs: %p>" % [self.class, keys]
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end
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def load_specs(type) # :nodoc:
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@load_specs_names[type] ||= begin
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names = []
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@specs = {}
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Dir["*.gem"].each do |file|
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begin
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pkg = Gem::Package.new(file)
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rescue SystemCallError, Gem::Package::FormatError
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# ignore
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else
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tup = pkg.spec.name_tuple
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@specs[tup] = [File.expand_path(file), pkg]
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case type
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when :released
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unless pkg.spec.version.prerelease?
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names << pkg.spec.name_tuple
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end
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when :prerelease
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if pkg.spec.version.prerelease?
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names << pkg.spec.name_tuple
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end
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when :latest
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tup = pkg.spec.name_tuple
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cur = names.find {|x| x.name == tup.name }
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if !cur
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names << tup
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elsif cur.version < tup.version
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names.delete cur
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names << tup
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end
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else
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names << pkg.spec.name_tuple
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end
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end
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end
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names
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end
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end
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def find_gem(gem_name, version = Gem::Requirement.default, # :nodoc:
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prerelease = false)
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load_specs :complete
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found = []
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@specs.each do |n, data|
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if n.name == gem_name
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s = data[1].spec
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if version.satisfied_by?(s.version)
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if prerelease
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found << s
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elsif !s.version.prerelease? || version.prerelease?
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found << s
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end
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end
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end
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end
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found.max_by {|s| s.version }
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end
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def fetch_spec(name) # :nodoc:
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load_specs :complete
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if data = @specs[name]
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data.last.spec
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else
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raise Gem::Exception, "Unable to find spec for #{name.inspect}"
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end
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end
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def download(spec, cache_dir = nil) # :nodoc:
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load_specs :complete
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@specs.each do |name, data|
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return data[0] if data[1].spec == spec
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end
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raise Gem::Exception, "Unable to find file for '#{spec.full_name}'"
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end
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def pretty_print(q) # :nodoc:
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q.group 2, '[Local gems:', ']' do
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q.breakable
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q.seplist @specs.keys do |v|
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q.text v.full_name
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end
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end
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end
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end
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