/usr/lib/ruby/vendor_ruby/mixlib/versioning/format/git_describe.rb is in ruby-mixlib-versioning 1.1.0-1.
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# Author:: Seth Chisamore (<schisamo@chef.io>)
# Author:: Christopher Maier (<cm@chef.io>)
# Copyright:: Copyright (c) 2013 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
module Mixlib
class Versioning
class Format
# Handles version strings based on
# {https://www.kernel.org/pub/software/scm/git/docs/git-describe.html git describe}
# output.
#
# SUPPORTED FORMATS
# -----------------
# ```text
# MAJOR.MINOR.PATCH-COMMITS_SINCE-gGIT_SHA1
# MAJOR.MINOR.PATCH.PRERELEASE-COMMITS_SINCE-gGIT_SHA1
# MAJOR.MINOR.PATCH-PRERELEASE-COMMITS_SINCE-gGIT_SHA1-ITERATION
# ```
#
# EXAMPLES
# --------
# ```text
# 10.16.2-49-g21353f0-1
# 10.16.2.rc.1-49-g21353f0-1
# 11.0.0-alpha-10-g642ffed
# 11.0.0-alpha.1-1-gcea071e
# ```
#
# @author Seth Chisamore (<schisamo@chef.io>)
# @author Christopher Maier (<cm@chef.io>)
class GitDescribe < Format
GIT_DESCRIBE_REGEX = /^(\d+)\.(\d+)\.(\d+)(?:\-|\.)?(.+)?\-(\d+)\-g([a-f0-9]{7,40})(?:\-)?(\d+)?$/
attr_reader :commits_since, :commit_sha
# @see Format#parse
def parse(version_string)
match = version_string.match(GIT_DESCRIBE_REGEX) rescue nil
unless match
fail Mixlib::Versioning::ParseError, "'#{version_string}' is not a valid #{self.class} version string!"
end
@major, @minor, @patch, @prerelease, @commits_since, @commit_sha, @iteration = match[1..7]
@major, @minor, @patch, @commits_since, @iteration = [@major, @minor, @patch, @commits_since, @iteration].map(&:to_i)
# Our comparison logic is built around SemVer semantics, so
# we'll store our internal information in that format
@build = "#{@commits_since}.g#{@commit_sha}.#{@iteration}"
end
end # class GitDescribe
end # class Format
end # module Versioning
end # module Mixlib
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