Class: Wip::DockerIgnore

Inherits:
Object
  • Object
show all
Defined in:
lib/wip/docker_ignore.rb

Overview

Parses a .dockerignore file and decides whether a build-context-relative path should be excluded, following the same pattern rules as the Docker CLI (gitignore-like globs, later rules override earlier ones, ! negates).

Defined Under Namespace

Classes: Rule

Constant Summary collapse

FNMATCH_FLAGS = 
File::FNM_PATHNAME | File::FNM_DOTMATCH | File::FNM_EXTGLOB

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(lines) ⇒ DockerIgnore

Returns a new instance of DockerIgnore.



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# File 'lib/wip/docker_ignore.rb', line 21

def initialize(lines)
  @rules = lines.filter_map { |line| parse(line) }
end

Class Method Details

.load(path) ⇒ Object 



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# File 'lib/wip/docker_ignore.rb', line 14

def self.load(path)
  path = Pathname(path)
  return new([]) unless path.file?

  new(path.readlines)
end

Instance Method Details

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/wip/docker_ignore.rb', line 25

def empty? = @rules.empty?

#ignored?(relative_path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/wip/docker_ignore.rb', line 27

def ignored?(relative_path)
  @rules.reduce(false) do |ignored, rule|
    matches?(rule.pattern, relative_path) ? !rule.negate : ignored
  end
end