Class: GithubSnapBuilder::SnapBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/github_snap_builder/snap_builder.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(logger, base_url, head_url, commit_sha, build_type) ⇒ SnapBuilder

Returns a new instance of SnapBuilder.



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# File 'lib/github_snap_builder/snap_builder.rb', line 12

def initialize(logger, base_url, head_url, commit_sha, build_type)
	@logger = logger
	@base_url = base_url
	@head_url = head_url
	@commit_sha = commit_sha
	@build_type = build_type
	@base = 'core16'
end

Class Method Details

.supported_build_types ⇒ Object 



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# File 'lib/github_snap_builder/snap_builder.rb', line 66

def self.supported_build_types
	Dir[File.join(__dir__, 'builder_implementations', '*.rb')].collect do |f|
		File.basename(f, File.extname(f))
	end
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/github_snap_builder/snap_builder.rb', line 21

def build
	Dir.mktmpdir do |tempdir|
		# First of all, clone the repository and get on the proper hash. Make
		# sure to include the base repo so `git describe` has meaning.
		repo = Rugged::Repository.clone_at(@base_url, tempdir)
		remote = repo.remotes.create('fork', @head_url)
		remote.fetch
		repo.checkout(@commit_sha, {strategy: :force})

		# Before we can actually build the snap, we must first determine the
		# base to use. The default is "core".
		snapcraft_yaml = snapcraft_yaml_location(tempdir)
		@base = YAML.safe_load(File.read(snapcraft_yaml)).fetch("base", @base)
		if @base == "core"
			@base = "core16"
		end

		# Factor out any snaps that existed before we build the new one
		snaps_glob = File.join(tempdir, '*.snap')
		existing_snaps = Dir.glob(snaps_glob)

		# Now build the snap
		build_implementation.build(tempdir)

		# Grab the filename of the snap we just built
		new_snaps = Dir.glob(snaps_glob) - existing_snaps
		if new_snaps.empty?
			raise BuildFailedError
		elsif new_snaps.length > 1
			raise TooManySnapsError, new_snaps
		end

		# The directory we're in right now will be removed shortly. Copy the
		# snap somewhere that will live forever, and hand it to the Snap class
		# (which will remove it when it's done with it).
		snap_file = Tempfile.create [@commit_sha, '.snap']
		FileUtils.cp new_snaps[0], snap_file
		snap_file.path
	end
end

#release(snap_path, token, channel) ⇒ Object 



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# File 'lib/github_snap_builder/snap_builder.rb', line 62

def release(snap_path, token, channel)
	build_implementation.release(snap_path, token, channel)
end