Class: Gitlab::Git::DiffCollection
- Inherits:
-
Object
- Object
- Gitlab::Git::DiffCollection
- Includes:
- Enumerable
- Defined in:
- lib/gitlab_git/diff_collection.rb
Constant Summary collapse
- DEFAULT_LIMITS =
{ max_files: 100, max_lines: 5000 }.freeze
Instance Method Summary collapse
- #decorate! ⇒ Object
- #each ⇒ Object
- #empty? ⇒ Boolean
-
#initialize(iterator, options = {}) ⇒ DiffCollection
constructor
A new instance of DiffCollection.
- #overflow? ⇒ Boolean
- #real_size ⇒ Object
- #size ⇒ Object
Constructor Details
#initialize(iterator, options = {}) ⇒ DiffCollection
Returns a new instance of DiffCollection.
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# File 'lib/gitlab_git/diff_collection.rb', line 8 def initialize(iterator, ={}) @iterator = iterator @max_files = .fetch(:max_files, DEFAULT_LIMITS[:max_files]) @max_lines = .fetch(:max_lines, DEFAULT_LIMITS[:max_lines]) @max_bytes = @max_files * 5120 # Average 5 KB per file @all_diffs = !!.fetch(:all_diffs, false) @line_count = 0 @byte_count = 0 @overflow = false @array = Array.new end |
Instance Method Details
#decorate! ⇒ Object
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# File 'lib/gitlab_git/diff_collection.rb', line 87 def decorate! each_with_index do |element, i| @array[i] = yield(element) end end |
#each ⇒ Object
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# File 'lib/gitlab_git/diff_collection.rb', line 21 def each @iterator.each_with_index do |raw, i| # First yield cached Diff instances from @array if @array[i] yield @array[i] next end # We have exhausted @array, time to create new Diff instances or stop. break if @overflow if !@all_diffs && i >= @max_files @overflow = true break end # Going by the number of files alone it is OK to create a new Diff instance. diff = Gitlab::Git::Diff.new(raw) # If a diff is too large we still want to display some information # about it (e.g. the file path) without keeping the raw data around # (as this would be a waste of memory usage). # # This also removes the line count (from the diff itself) so it # doesn't add up to the total amount of lines. if diff.too_large? diff.prune_large_diff! end @line_count += diff.line_count @byte_count += diff.diff.bytesize if !@all_diffs && (@line_count >= @max_lines || @byte_count >= @max_bytes) # This last Diff instance pushes us over the lines limit. We stop and # discard it. @overflow = true break end yield @array[i] = diff end end |
#empty? ⇒ Boolean
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# File 'lib/gitlab_git/diff_collection.rb', line 64 def empty? !@iterator.any? end |
#overflow? ⇒ Boolean
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# File 'lib/gitlab_git/diff_collection.rb', line 68 def overflow? populate! !!@overflow end |
#real_size ⇒ Object
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# File 'lib/gitlab_git/diff_collection.rb', line 77 def real_size populate! if @overflow "#{size}+" else size.to_s end end |
#size ⇒ Object
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# File 'lib/gitlab_git/diff_collection.rb', line 73 def size @size ||= count # forces a loop through @iterator end |