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# frozen_string_literal: true
require 'rugged'
require 'rugged/repository'
module Booru
# A helper class for reading the current repository
# version.
class VersionReader
# Get a new reference to the application repository.
#
# This is not memoized, so as to avoid holding a long-lived
# reference to a repository object in the application.
#
# @return [Rugged::Repository]
def self.repo
Rugged::Repository.new(Rails.root.to_s)
end
# The current branch name as a string (e.g. "master").
#
# @return [String]
def self.branch_name
repo.branches.detect(&:head?).name
rescue ArgumentError
'unknown'
end
# The object id of the most recent commit as a string
# (e.g. "3717f613f48df0222311f974cf8a06c8a6c97bae").
#
# @return [String]
def self.head_commit
repo.head.target.oid
rescue ArgumentError
'unknown'
end
end
end
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