Class: Upkeep::HerbSupport::ManifestDiff

Inherits:
Object
  • Object
show all
Defined in:
lib/upkeep/herb/manifest_diff.rb

Defined Under Namespace

Classes: Plan

Constant Summary collapse

PARSE_OPTIONS = 
TemplateManifest::DEFAULT_PARSE_OPTIONS.merge(
  action_view_helpers: false,
  transform_conditionals: false
).freeze
CONTENT_ONLY_OPERATION_TYPES = 
%i[
  attribute_added
  attribute_removed
  attribute_value_changed
  text_changed
].freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path:, old_source:, new_source:, parse_options: PARSE_OPTIONS) ⇒ ManifestDiff

Returns a new instance of ManifestDiff.



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# File 'lib/upkeep/herb/manifest_diff.rb', line 60

def initialize(path:, old_source:, new_source:, parse_options: PARSE_OPTIONS)
  @path = path
  @old_source = old_source
  @new_source = new_source
  @parse_options = parse_options
end

Class Method Details

.plan(path:, old_source:, new_source:, parse_options: PARSE_OPTIONS) ⇒ Object 



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# File 'lib/upkeep/herb/manifest_diff.rb', line 56

def self.plan(path:, old_source:, new_source:, parse_options: PARSE_OPTIONS)
  new(path: path, old_source: old_source, new_source: new_source, parse_options: parse_options).plan
end

Instance Method Details

#plan ⇒ Object 



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# File 'lib/upkeep/herb/manifest_diff.rb', line 67

def plan
  old_manifest = build_manifest(old_source)
  new_manifest = build_manifest(new_source)
  diff_result = ::Herb.diff(old_source, new_source)
  old_signature = topology_signature(old_manifest)
  new_signature = topology_signature(new_manifest)
  action, reason, topology_changed = classify(
    diff_result: diff_result,
    old_manifest: old_manifest,
    new_manifest: new_manifest,
    old_signature: old_signature,
    new_signature: new_signature
  )

  Plan.new(
    path: path,
    action: action,
    reason: reason,
    topology_changed: topology_changed,
    diff_identical: diff_result.identical?,
    operation_types: diff_result.map { |operation| operation.type.to_s },
    operations: diff_result.map { |operation| operation_payload(operation) },
    old_manifest: old_manifest,
    new_manifest: new_manifest,
    old_topology_signature: old_signature,
    new_topology_signature: new_signature,
    error: nil
  )
rescue StandardError => error
  Plan.new(
    path: path,
    action: "full_rebuild",
    reason: "herb_diff_failed",
    topology_changed: true,
    diff_identical: false,
    operation_types: [],
    operations: [],
    old_manifest: nil,
    new_manifest: nil,
    old_topology_signature: nil,
    new_topology_signature: nil,
    error: { class: error.class.name, message: error.message }
  )
end