diff options
Diffstat (limited to 'lib/gitlab/git/diff.rb')
| -rw-r--r-- | lib/gitlab/git/diff.rb | 107 |
1 files changed, 66 insertions, 41 deletions
diff --git a/lib/gitlab/git/diff.rb b/lib/gitlab/git/diff.rb index 31d1b66b4f7..8926aa19925 100644 --- a/lib/gitlab/git/diff.rb +++ b/lib/gitlab/git/diff.rb @@ -3,7 +3,7 @@ module Gitlab module Git class Diff TimeoutError = Class.new(StandardError) - include Gitlab::Git::EncodingHelper + include Gitlab::EncodingHelper # Diff properties attr_accessor :old_path, :new_path, :a_mode, :b_mode, :diff @@ -11,15 +11,34 @@ module Gitlab # Stats properties attr_accessor :new_file, :renamed_file, :deleted_file - attr_accessor :too_large + alias_method :new_file?, :new_file + alias_method :deleted_file?, :deleted_file + alias_method :renamed_file?, :renamed_file - # The maximum size of a diff to display. - DIFF_SIZE_LIMIT = 102400 # 100 KB + attr_accessor :expanded - # The maximum size before a diff is collapsed. - DIFF_COLLAPSE_LIMIT = 10240 # 10 KB + # We need this accessor because of `to_hash` and `init_from_hash` + attr_accessor :too_large class << self + # The maximum size of a diff to display. + def size_limit + if Feature.enabled?('gitlab_git_diff_size_limit_increase') + 200.kilobytes + else + 100.kilobytes + end + end + + # The maximum size before a diff is collapsed. + def collapse_limit + if Feature.enabled?('gitlab_git_diff_size_limit_increase') + 100.kilobytes + else + 10.kilobytes + end + end + def between(repo, head, base, options = {}, *paths) straight = options.delete(:straight) || false @@ -148,7 +167,7 @@ module Gitlab :include_untracked_content, :skip_binary_check, :include_typechange, :include_typechange_trees, :ignore_filemode, :recurse_ignored_dirs, :paths, - :max_files, :max_lines, :all_diffs, :no_collapse] + :max_files, :max_lines, :limits, :expanded] if default_options actual_defaults = default_options.dup @@ -173,16 +192,18 @@ module Gitlab end end - def initialize(raw_diff, collapse: false) + def initialize(raw_diff, expanded: true) + @expanded = expanded + case raw_diff when Hash init_from_hash(raw_diff) - prune_diff_if_eligible(collapse) + prune_diff_if_eligible when Rugged::Patch, Rugged::Diff::Delta - init_from_rugged(raw_diff, collapse: collapse) - when Gitaly::CommitDiffResponse + init_from_rugged(raw_diff) + when Gitlab::GitalyClient::Diff init_from_gitaly(raw_diff) - prune_diff_if_eligible(collapse) + prune_diff_if_eligible when Gitaly::CommitDelta init_from_gitaly(raw_diff) when nil @@ -208,6 +229,10 @@ module Gitlab hash end + def mode_changed? + a_mode && b_mode && a_mode != b_mode + end + def submodule? a_mode == '160000' || b_mode == '160000' end @@ -218,17 +243,13 @@ module Gitlab def too_large? if @too_large.nil? - @too_large = @diff.bytesize >= DIFF_SIZE_LIMIT + @too_large = @diff.bytesize >= self.class.size_limit else @too_large end end - def collapsible? - @diff.bytesize >= DIFF_COLLAPSE_LIMIT - end - - def prune_large_diff! + def too_large! @diff = '' @line_count = 0 @too_large = true @@ -236,10 +257,11 @@ module Gitlab def collapsed? return @collapsed if defined?(@collapsed) - false + + @collapsed = !expanded && @diff.bytesize >= self.class.collapse_limit end - def prune_collapsed_diff! + def collapse! @diff = '' @line_count = 0 @collapsed = true @@ -247,9 +269,9 @@ module Gitlab private - def init_from_rugged(rugged, collapse: false) + def init_from_rugged(rugged) if rugged.is_a?(Rugged::Patch) - init_from_rugged_patch(rugged, collapse: collapse) + init_from_rugged_patch(rugged) d = rugged.delta else d = rugged @@ -264,10 +286,10 @@ module Gitlab @deleted_file = d.deleted? end - def init_from_rugged_patch(patch, collapse: false) + def init_from_rugged_patch(patch) # Don't bother initializing diffs that are too large. If a diff is # binary we're not going to display anything so we skip the size check. - return if !patch.delta.binary? && prune_large_patch(patch, collapse) + return if !patch.delta.binary? && prune_large_patch(patch) @diff = encode!(strip_diff_headers(patch.to_s)) end @@ -280,40 +302,43 @@ module Gitlab end end - def init_from_gitaly(msg) - @diff = msg.raw_chunks.join if msg.respond_to?(:raw_chunks) - @new_path = encode!(msg.to_path.dup) - @old_path = encode!(msg.from_path.dup) - @a_mode = msg.old_mode.to_s(8) - @b_mode = msg.new_mode.to_s(8) - @new_file = msg.from_id == BLANK_SHA - @renamed_file = msg.from_path != msg.to_path - @deleted_file = msg.to_id == BLANK_SHA + def init_from_gitaly(diff) + @diff = diff.patch if diff.respond_to?(:patch) + @new_path = encode!(diff.to_path.dup) + @old_path = encode!(diff.from_path.dup) + @a_mode = diff.old_mode.to_s(8) + @b_mode = diff.new_mode.to_s(8) + @new_file = diff.from_id == BLANK_SHA + @renamed_file = diff.from_path != diff.to_path + @deleted_file = diff.to_id == BLANK_SHA end - def prune_diff_if_eligible(collapse = false) - prune_large_diff! if too_large? - prune_collapsed_diff! if collapse && collapsible? + def prune_diff_if_eligible + if too_large? + too_large! + elsif collapsed? + collapse! + end end # If the patch surpasses any of the diff limits it calls the appropiate # prune method and returns true. Otherwise returns false. - def prune_large_patch(patch, collapse) + def prune_large_patch(patch) size = 0 patch.each_hunk do |hunk| hunk.each_line do |line| size += line.content.bytesize - if size >= DIFF_SIZE_LIMIT - prune_large_diff! + if size >= self.class.size_limit + too_large! return true end end end - if collapse && size >= DIFF_COLLAPSE_LIMIT - prune_collapsed_diff! + if !expanded && size >= self.class.collapse_limit + collapse! return true end |