Class: Berkshelf::Lockfile::LockfileParser
- Inherits:
-
Object
- Object
- Berkshelf::Lockfile::LockfileParser
- Defined in:
- lib/berkshelf/lockfile.rb
Overview
The class responsible for parsing the lockfile and turning it into a useful data structure.
Constant Summary collapse
- NAME_VERSION =
'(?! )(.*?)(?: \(([^-]*)(?:-(.*))?\))?'.freeze
- DEPENDENCY_PATTERN =
/^ {2}#{NAME_VERSION}$/.freeze
- DEPENDENCIES_PATTERN =
/^ {4}#{NAME_VERSION}$/.freeze
- OPTION_PATTERN =
/^ {4}(.+)\: (.+)/.freeze
Instance Method Summary collapse
-
#initialize(lockfile) ⇒ LockfileParser
constructor
Create a new lockfile parser.
-
#run ⇒ true
Parse the lockfile contents, adding the correct things to the lockfile.
Constructor Details
#initialize(lockfile) ⇒ LockfileParser
Create a new lockfile parser.
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# File 'lib/berkshelf/lockfile.rb', line 486 def initialize(lockfile) @lockfile = lockfile @berksfile = lockfile.berksfile end |
Instance Method Details
#run ⇒ true
Parse the lockfile contents, adding the correct things to the lockfile.
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# File 'lib/berkshelf/lockfile.rb', line 494 def run @parsed_dependencies = {} contents = File.read(@lockfile.filepath) if contents.strip.empty? Berkshelf.formatter.warn "Your lockfile at '#{@lockfile.filepath}' " \ "is empty. I am going to parse it anyway, but there is a chance " \ "that a larger problem is at play. If you manually edited your " \ "lockfile, you may have corrupted it." end if contents.strip[0] == '{' Berkshelf.formatter.warn "It looks like you are using an older " \ "version of the lockfile. Attempting to convert..." dependencies = "#{Lockfile::DEPENDENCIES}\n" graph = "#{Lockfile::GRAPH}\n" begin hash = JSON.parse(contents) rescue JSON::ParserError Berkshelf.formatter.warn "Could not convert lockfile! This is a " \ "problem. You see, previous versions of the lockfile were " \ "actually a lie. It lied to you about your version locks, and we " \ "are really sorry about that.\n\n" \ "Here's the good news - we fixed it!\n\n" \ "Here's the bad news - you probably should not trust your old " \ "lockfile. You should manually delete your old lockfile and " \ "re-run the installer." end hash['dependencies'] && hash['dependencies'].sort .each do |name, info| dependencies << " #{name} (>= 0.0.0)\n" info.each do |key, value| unless key == 'locked_version' dependencies << " #{key}: #{value}\n" end end graph << " #{name} (#{info['locked_version']})\n" end contents = "#{dependencies}\n#{graph}" end contents.split(/(?:\r?\n)+/).each do |line| if line == Lockfile::DEPENDENCIES @state = :dependency elsif line == Lockfile::GRAPH @state = :graph else send("parse_#{@state}", line) end end @parsed_dependencies.each do |name, | dependency = Dependency.new(@berksfile, name, ) @lockfile.add(dependency) end true end |