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require 'yaml'
PRODUCTS = %w[ee omnibus runner charts operator].freeze
VERSION_FORMAT = /^(?<major>\d{1,2})\.(?<minor>\d{1,2})$/.freeze
def config
# Parse the config file and create a hash.
@config ||= YAML.load_file('./nanoc.yaml')
end
def products
return @products if defined?(@products)
# Pull products data from the config.
@products = PRODUCTS.each_with_object({}) do |key, result|
result[key] = config['products'][key]
end
end
def retrieve_branch(slug)
# If CI_COMMIT_REF_NAME is not defined (run locally), set it to the default branch.
if ENV["CI_COMMIT_REF_NAME"].nil?
default_branch(products[slug].fetch('repo'))
# If we're on a gitlab-docs stable branch according to the regex, catch the
# version and assign the product stable branches correctly.
elsif version = ENV["CI_COMMIT_REF_NAME"].match(VERSION_FORMAT)
case slug
# EE has different branch name scheme
when 'ee'
"#{version[:major]}-#{version[:minor]}-stable-ee"
when 'omnibus', 'runner'
"#{version[:major]}-#{version[:minor]}-stable"
# Charts don't use the same version scheme as GitLab, we need to
# deduct their version from the GitLab equivalent one.
when 'charts'
chart = chart_version(ENV["CI_COMMIT_REF_NAME"]).match(VERSION_FORMAT)
"#{chart[:major]}-#{chart[:minor]}-stable"
end
# If we're NOT on a gitlab-docs stable branch, fetch the BRANCH_* environment
# variable, and if not assigned, set to the default branch.
else
ENV.fetch("BRANCH_#{slug.upcase}", default_branch(products[slug].fetch('repo')))
end
end
def git_workdir_dirty?
status = `git status --porcelain`
!status.empty?
end
def local_branch_exist?(branch)
status = `git branch --list #{branch}`
!status.empty?
end
#
# The charts versions do not follow the same GitLab major number, BUT
# they do follow a pattern https://docs.gitlab.com/charts/installation/version_mappings.html:
#
# 1. The minor version is the same for both
# 2. The major version augments for both at the same time
#
# This means we can deduct the charts version from the GitLab version, since
# the major charts version is always 9 versions behind its GitLab counterpart.
#
def chart_version(gitlab_version)
major, minor = gitlab_version.split('.')
# Assume major charts version is nine less than major GitLab version.
# If this breaks and the version isn't found, it might be because they
# are no longer exactly 9 releases behind. Ask the distribution team
# about it.
major = major.to_i - 9
"#{major.to_s}.#{minor}"
end
def default_branch(repo)
# Get the URL-encoded path of the project
# https://docs.gitlab.com/ee/api/README.html#namespaced-path-encoding
url_encoded_path = repo.sub('https://gitlab.com/', '').sub('.git', '').gsub('/', '%2F')
`curl --silent https://gitlab.com/api/v4/projects/#{url_encoded_path} | jq --raw-output .default_branch`.tr("\n", '')
end
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