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##
# A GitSet represents gems that are sourced from git repositories.
#
# This is used for gem dependency file support.
#
# Example:
#
# set = Gem::Resolver::GitSet.new
# set.add_git_gem 'rake', 'git://example/rake.git', tag: 'rake-10.1.0'
class Gem::Resolver::GitSet < Gem::Resolver::Set
##
# Contains repositories needing submodules
attr_reader :need_submodules # :nodoc:
##
# A Hash containing git gem names for keys and a Hash of repository and
# git commit reference as values.
attr_reader :repositories # :nodoc:
##
# A hash of gem names to Gem::Resolver::GitSpecifications
attr_reader :specs # :nodoc:
def initialize # :nodoc:
@git = ENV['git'] || 'git'
@need_submodules = {}
@repositories = {}
@specs = {}
end
def add_git_gem name, repository, reference, submodules # :nodoc:
@repositories[name] = [repository, reference]
@need_submodules[repository] = submodules
end
##
# Finds all git gems matching +req+
def find_all req
@repositories.keys.select do |name|
name == req.name
end.map do |name|
@specs[name] || load_spec(name)
end.select do |spec|
req.matches_spec? spec
end
end
def load_spec name
repository, reference = @repositories[name]
source = Gem::Source::Git.new name, repository, reference
spec = source.load_spec name
git_spec =
Gem::Resolver::GitSpecification.new self, spec, source
@specs[name] = git_spec
end
##
# Prefetches specifications from the git repositories in this set.
def prefetch reqs
names = reqs.map { |req| req.name }
@repositories.each_key do |name|
next unless names.include? name
load_spec name
end
end
end
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