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Contents
# encoding: UTF-8
# Copyright 2012 Twitter, Inc
# http://www.apache.org/licenses/LICENSE-2.0
module TwitterCldr
module Resources
module Requirements
class GitRequirement
attr_reader :repo_url, :ref
def initialize(repo_url, ref)
@repo_url = repo_url
@ref = ref
end
def prepare
check_git_available
clone_or_fetch_if_necessary
puts "Using repo in #{source_path}"
end
def source_path
@source_path ||= File.join(TwitterCldr::VENDOR_DIR, 'git', repo_name)
end
private
def check_git_available
`git --version`
if $?.exitstatus != 0
raise "Couldn't find git executable. Is it installed?"
end
end
def repo_name
@repo_name ||= File.basename(repo_url).chomp('.git')
end
def clone_or_fetch_if_necessary
if File.exist?(source_path)
unless ref_exists?
in_repo { `git fetch` }
end
else
`git clone #{repo_url} #{source_path}`
end
end
def ref_exists?
in_repo do
`git rev-parse --verify --quiet #{ref}`
$?.exitstatus == 0
end
end
def in_repo(&block)
Dir.chdir(source_path, &block)
end
end
end
end
end
Version data entries
41 entries across 41 versions & 2 rubygems