Class: DependencyCollector

Inherits:
Object show all
Extended by:
Cachable
Defined in:
extend/os/mac/dependency_collector.rb,
extend/os/linux/dependency_collector.rb,
dependency_collector.rb

Overview

This class is used by depends_on in the formula DSL to turn dependency specifications into the proper kinds of dependencies and requirements.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Cachable

cache, clear_cache

Constructor Details

#initialize ⇒ void 



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# File 'dependency_collector.rb', line 26

def initialize
  # Ensure this is synced with `initialize_dup` and `freeze` (excluding simple objects like integers and booleans)
  @deps = Dependencies.new
  @requirements = Requirements.new

  init_global_dep_tree_if_needed!
end

Instance Attribute Details

#deps ⇒ Object (readonly)

Returns the value of attribute deps.



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# File 'dependency_collector.rb', line 23

def deps
  @deps
end

#requirements ⇒ Object (readonly)

Returns the value of attribute requirements.



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# File 'dependency_collector.rb', line 23

def requirements
  @requirements
end

Class Method Details

.tar_needs_xz_dependency? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'dependency_collector.rb', line 125

def self.tar_needs_xz_dependency?
  !new.xz_dep_if_needed([]).nil?
end

Instance Method Details

#add(spec) ⇒ Object 



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# File 'dependency_collector.rb', line 46

def add(spec)
  case dep = fetch(spec)
  when Array
    dep.compact.each { |dep| @deps << dep }
  when Dependency
    @deps << dep
  when Requirement
    @requirements << dep
  when nil
    # no-op when we have a nil value
    nil
  else
    raise ArgumentError, "DependencyCollector#add passed something that isn't a Dependency or Requirement!"
  end
  dep
end

#build(spec) ⇒ Object 



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# File 'dependency_collector.rb', line 78

def build(spec)
  spec, tags = spec.is_a?(Hash) ? spec.first : spec
  parse_spec(spec, Array(tags))
end

#bzip2_dep_if_needed(tags) ⇒ Object 



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# File 'extend/os/mac/dependency_collector.rb', line 22

def bzip2_dep_if_needed(tags); end

#cache_key(spec) ⇒ Object 



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# File 'dependency_collector.rb', line 67

def cache_key(spec)
  if spec.is_a?(Resource)
    if spec.download_strategy <= CurlDownloadStrategy
      return "#{spec.download_strategy}#{File.extname(spec.url).split("?").first}"
    end

    return spec.download_strategy
  end
  spec
end

#curl_dep_if_needed(tags) ⇒ Object 



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# File 'dependency_collector.rb', line 95

def curl_dep_if_needed(tags)
  Dependency.new("curl", [*tags, :implicit])
end

#cvs_dep_if_needed(tags) ⇒ Object 



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# File 'extend/os/mac/dependency_collector.rb', line 14

def cvs_dep_if_needed(tags)
  Dependency.new("cvs", [*tags, :implicit])
end

#fetch(spec) ⇒ Object 



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# File 'dependency_collector.rb', line 63

def fetch(spec)
  self.class.cache.fetch(cache_key(spec)) { |key| self.class.cache[key] = build(spec) }
end

#freeze ⇒ Object 



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# File 'dependency_collector.rb', line 40

def freeze
  @deps.freeze
  @requirements.freeze
  super
end

#gcc_dep_if_needed(related_formula_names) ⇒ Dependency?

Parameters:

Returns:



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# File 'extend/os/linux/dependency_collector.rb', line 12

def gcc_dep_if_needed(related_formula_names)
  # gcc is required for libgcc_s.so.1 if glibc or gcc are too old
  return unless DevelopmentTools.needs_build_formulae?
  return if building_global_dep_tree?
  return if related_formula_names.include?(GCC)
  return if global_dep_tree[GCC]&.intersect?(related_formula_names)
  return unless formula_for(GCC)

  Dependency.new(GCC, [:implicit])
end

#git_dep_if_needed(tags) ⇒ Object 



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# File 'extend/os/mac/dependency_collector.rb', line 8

def git_dep_if_needed(tags); end

#glibc_dep_if_needed(related_formula_names) ⇒ Dependency?

Parameters:

Returns:



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# File 'extend/os/linux/dependency_collector.rb', line 24

def glibc_dep_if_needed(related_formula_names)
  return unless DevelopmentTools.needs_libc_formula?
  return if building_global_dep_tree?
  return if related_formula_names.include?(GLIBC)
  return if global_dep_tree[GLIBC]&.intersect?(related_formula_names)
  return unless formula_for(GLIBC)

  Dependency.new(GLIBC, [:implicit])
end

#initialize_dup(other) ⇒ Object 



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# File 'dependency_collector.rb', line 34

def initialize_dup(other)
  super
  @deps = @deps.dup
  @requirements = @requirements.dup
end

#subversion_dep_if_needed(tags) ⇒ Object 



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# File 'extend/os/mac/dependency_collector.rb', line 10

def subversion_dep_if_needed(tags)
  Dependency.new("subversion", [*tags, :implicit])
end

#unzip_dep_if_needed(tags) ⇒ Object 



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# File 'extend/os/mac/dependency_collector.rb', line 20

def unzip_dep_if_needed(tags); end

#xz_dep_if_needed(tags) ⇒ Object 



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# File 'extend/os/mac/dependency_collector.rb', line 18

def xz_dep_if_needed(tags); end

#zstd_dep_if_needed(tags) ⇒ Object 



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# File 'dependency_collector.rb', line 113

def zstd_dep_if_needed(tags)
  Dependency.new("zstd", [*tags, :implicit]) unless which("zstd")
end