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Improve handling of massive diffs #499

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Improve handling of massive diffs #499

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65c227e
Use jQuery's .on()
JaCoB1123 Sep 30, 2014
3ddbfe1
Add braces
JaCoB1123 Sep 30, 2014
479a156
Use jQuery's on for expands
JaCoB1123 Sep 30, 2014
a83c377
Strip huge files from diff (Fixes #220)
JaCoB1123 Sep 30, 2014
5d84adc
Fix trying to acces data of Nil
JaCoB1123 Sep 30, 2014
2e034a7
Ignore files matching /\.(gen|properties|relations|functions|[dD]esi…
JaCoB1123 Oct 7, 2014
2200348
Increase FileSize limit to 2M
JaCoB1123 Oct 7, 2014
c974b70
Also ignore PI_, DBSchema; Do not ignore Designer.cs
JaCoB1123 Oct 8, 2014
25b0fe6
Ignore spaces
JaCoB1123 Oct 8, 2014
2381a14
Only send actual diffs without context
JaCoB1123 Oct 8, 2014
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30 changes: 9 additions & 21 deletions lib/git_diff_utils.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,9 @@ def self.get_tagged_commit_diffs(repo_name, commit, options = {})
if GitHelper.blob_binary?(diff.a_blob) || GitHelper.blob_binary?(diff.b_blob)
data.binary = true
data.special_case = "This is a binary file."
elsif data.submodule?
elsif !(a_path =~ /\.(gen|properties|relations|functions)\.cs/).nil? || !(a_path =~ /PI_/).nil? || !(a_path =~ /DBSchema.xml$/).nil?
data.special_case = "Generated File - not showing diff."
elsif data.submodule?
data.special_case = data.submodule_special_case_message
elsif diff.diff.nil? && (data.file_mode_before != data.file_mode_after)
data.special_case = "File mode changed: #{data.file_mode_before} → #{data.file_mode_after}"
Expand All @@ -57,7 +59,10 @@ def self.get_tagged_commit_diffs(repo_name, commit, options = {})
# Diffs can be missing a_blob or b_blob if the change is an added or removed file.
before, after = [diff.a_blob, diff.b_blob].map { |blob| blob ? blob.data : "" }
end
raw_diff = GitDiffUtils.diff(diff.a_blob, diff.b_blob)

raw_diff = diff.diff
raw_diff.gsub! "\r", ""
raw_diff.sub %r{[^@]*}, ""

unless options[:warm_the_cache]
new_data = GitDiffUtils.tag_file(before, after, diff, raw_diff)
Expand Down Expand Up @@ -87,27 +92,10 @@ def self.tag_file(file_before, file_after, diff, raw_diff)
chunks = tag_diff(diff, raw_diff, before_lines, after_lines)

chunks.each_with_index do |chunk, i|
if chunk.original_line_start && chunk.original_line_start > orig_line
tagged_lines += before_lines[orig_line...chunk.original_line_start].map do |data|
diff_line += 1
orig_line += 1
LineDiff.new(:same, before_lines[orig_line - 1], orig_line, diff_line)
end
chunk_breaks << tagged_lines.size
end
tagged_lines += chunk.tagged_lines
orig_line += chunk.original_lines_changed
diff_line += chunk.new_lines_changed
end

if !before_lines.empty? && orig_line <= before_lines.count
chunk_breaks << tagged_lines.size
tagged_lines += before_lines[orig_line..before_lines.count].map do |data|
diff_line += 1
orig_line += 1
LineDiff.new(:same, before_lines[orig_line - 1], orig_line, diff_line )
end
end
lines_added = tagged_lines.select { |line| line.tag == :added }.count
lines_removed = tagged_lines.select { |line| line.tag == :removed }.count
{ :lines => tagged_lines, :breaks => chunk_breaks,
Expand Down Expand Up @@ -189,10 +177,10 @@ def self.tag_diff(diff, raw_diff, before_highlighted, after_highlighted)

def self.show(repo, commit)
if commit.parents.size > 0
diff = repo.git.native(:diff, { :full_index => true, :find_renames => true }, commit.parents[0].id,
diff = repo.git.native(:diff, { :inter_hunk_context => 33, :unified => 9, :ignore_all_space => true, :full_index => true, :find_renames => true }, commit.parents[0].id,
commit.id)
else
raw_diff = repo.git.native(:show, { :full_index => true, :pretty => "raw" }, commit.id)
raw_diff = repo.git.native(:show, { :inter_hunk_context => 33, :unified => 9, :ignore_all_space => true, :full_index => true, :pretty => "raw" }, commit.id)
# git show has a lot of headers in the diff, we try to strip it out here
cutpoint = raw_diff.index("diff --git a")
diff = cutpoint ? raw_diff[cutpoint, raw_diff.length] : ""
Expand Down
2 changes: 1 addition & 1 deletion lib/git_helper.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -58,4 +58,4 @@ def self.rev_list(repo, command_options, mode = :commits)
def self.blob_binary?(blob)
blob && !blob.data.empty? && blob.data.index("\0")
end
end
end
49 changes: 25 additions & 24 deletions public/coffee/commit.coffee
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Original file line number Diff line number Diff line change
Expand Up @@ -11,28 +11,29 @@ window.Commit =
SIDE_BY_SIDE_CODE_WIDTH: 830

init: ->
$(".addCommentButton").click (e) => @onAddCommentMouseAction e
$(document).on("click", ".addCommentButton", (e) => @onAddCommentMouseAction e)
$("a.tipsyCommentCount").tipsy(gravity: "w")
$(".diffLine").dblclick (e) => @onAddCommentMouseAction e
$(".reply").live "click", (e) => @onAddCommentMouseAction e
$(".diffLine").hover(((e) => @selectLine(e)), ((e) => @clearSelectedLine()))
$(".commentForm").live "submit", (e) => @onCommentSubmit e
$(".commentPreview").click (e) => @onCommentPreview e
$(".commentEditForm").live "submit", (e) => @onCommentEditSubmit e
$("#approveButton").live "click", (e) => @onApproveClicked e
$("#disapproveButton").live "click", (e) => @onDisapproveClicked e
$(".delete").live "click", (e) => @onCommentDelete e
$(".edit").live "click", (e) => @onCommentEdit e
$("#sideBySideButton").live "click", => @toggleSideBySide true
$("#requestReviewButton").click (e) => @toggleReviewRequest()
$("#hideCommentButton").live "click", (e) => @toggleComments()
$(".diffCommentCount > a").live "click", (e) => @toggleSingleComment(e)
$("#requestInput button").click (e) => @submitReviewRequest()
$(".expandLink.all").click (e) => @expandContextAll(e)
$(".expandLink.below").click (e) => @expandContext(e, 10, "below")
$(".expandLink.above").click (e) => @expandContext(e, 10, "above")
$("#commit .file").on("mouseenter", ".contextExpander", @expandContextHoverIn)
$("#commit .file").on("mouseleave", ".contextExpander", @expandContextHoverOut)
$(document).on("dblclick", ".diffLine", (e) => @onAddCommentMouseAction e)
$(document).on("click", ".reply", (e) => @onAddCommentMouseAction e)
$(document).on("mouseenter", ".diffLine", (e) => @selectLine(e))
$(document).on("mouseleave", ".diffLine", (e) => @clearSelectedLine())
$(document).on("submit", ".commentForm", (e) => @onCommentSubmit e)
$(document).on("click", ".commentPreview", (e) => @onCommentPreview e)
$(document).on("submit", ".commentEditForm", (e) => @onCommentEditSubmit e)
$(document).on("click", "#approveButton", (e) => @onApproveClicked e)
$(document).on("click", "#disapproveButton", (e) => @onDisapproveClicked e)
$(document).on("click", ".delete", (e) => @onCommentDelete e)
$(document).on("click", ".edit", (e) => @onCommentEdit e)
$(document).on("click", "#sideBySideButton", => @toggleSideBySide true)
$(document).on("click", "#requestReviewButton", (e) => @toggleReviewRequest())
$(document).on("click", "#hideCommentButton", (e) => @toggleComments())
$(document).on("click", ".diffCommentCount > a", (e) => @toggleSingleComment(e))
$(document).on("click", "#requestInput button", (e) => @submitReviewRequest())
$(document).on("click", ".expandLink.all", (e) => @expandContextAll(e))
$(document).on("click", ".expandLink.below", (e) => @expandContext(e, 10, "below"))
$(document).on("click", ".expandLink.above", (e) => @expandContext(e, 10, "above"))
$(document).on("mouseenter", "#commit .file .contextExpander", @expandContextHoverIn)
$(document).on("mouseleave", "#commit .file .contextExpander", @expandContextHoverOut)

@currentlyScrollingTimer = null

Expand Down Expand Up @@ -315,9 +316,9 @@ window.Commit =
createContextExpander: (codeLines, attachDirection, top, bottom, incremental, refreshLine) ->
renderedExpander = Snippets.contextExpander(top, bottom, codeLines.attr("diff-line-number"), incremental)
contextExpander = $(renderedExpander)
contextExpander.find(".expandLink.all").click (e) => @expandContextAll(e)
contextExpander.find(".expandLink.above").click (e) => @expandContext(e, 10, "above")
contextExpander.find(".expandLink.below").click (e) => @expandContext(e, 10, "below")
contextExpander.on("click", ".expandLink.all", (e) => @expandContextAll(e))
contextExpander.on("click", ".expandLink.above", (e) => @expandContext(e, 10, "above"))
contextExpander.on("click", ".expandLink.below", (e) => @expandContext(e, 10, "below"))
codeLines.before(contextExpander) if attachDirection == "above"
codeLines.after(contextExpander) if attachDirection == "below"
expander = if attachDirection == "above" then codeLines.prev() else codeLines.next()
Expand Down