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# frozen_string_literal: true
module Jekyll
module GitHubMetadata
class RepositoryFinder
NoRepositoryError = Class.new(Jekyll::Errors::FatalException)
attr_reader :site
def initialize(site)
@site = site
end
# Public: fetches the repository name with owner to fetch metadata for.
# In order of precedence, this method uses:
# 1. the environment variable $PAGES_REPO_NWO
# 2. 'repository' variable in the site config
# 3. the 'origin' git remote's URL
#
# site - the Jekyll::Site being processed
#
# Return the name with owner (e.g. 'parkr/my-repo') or raises an
# error if one cannot be found.
def nwo
@nwo ||= begin
nwo_from_env || \
nwo_from_config || \
nwo_from_git_origin_remote || \
proc do
raise NoRepositoryError, "No repo name found. " \
"Specify using PAGES_REPO_NWO environment variables, " \
"'repository' in your configuration, or set up an 'origin' " \
"git remote pointing to your github.com repository."
end.call
end
end
private
def nwo_from_env
ENV["PAGES_REPO_NWO"]
end
def nwo_from_config
repo = site.config["repository"]
repo if repo&.is_a?(String) && repo&.include?("/")
end
def git_remotes
_process, output = Jekyll::Utils::Exec.run("git", "remote", "--verbose")
output.to_s.strip.split("\n")
rescue Errno::ENOENT => e
Jekyll.logger.warn "Not Installed:", e.message
[]
end
def git_remote_url
git_remotes.grep(%r!\Aorigin\t!).map do |remote|
remote.sub(%r!\Aorigin\t(.*) \([a-z]+\)!, "\\1")
end.uniq.first || ""
end
def nwo_from_git_origin_remote
return unless Jekyll.env == "development" || Jekyll.env == "test"
matches = git_remote_url.chomp(".git").match github_remote_regex
matches[2..3].join("/") if matches
end
def github_remote_regex
github_host_regex = Regexp.escape(Jekyll::GitHubMetadata::Pages.github_hostname)
%r!#{github_host_regex}(:|/)([\w-]+)/([\w\.-]+)!
end
end
end
end
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