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Commit 9b0ef155 by Robert Speicher
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Merge branch 'better-parallel-diff' into 'master'

Actually render old and new sections of parallel diff next to each other See merge request !5173
parents b8f67b4d 545a85dc
Showing with 63 additions and 101 deletions
CHANGELOG
......@@ -48,6 +48,7 @@ v 8.10.0 (unreleased)
- Fix user creation with stronger minimum password requirements !4054 (nathan-pmt)
- Only show New Snippet button to users that can create snippets.
- PipelinesFinder uses git cache data
- Actually render old and new sections of parallel diff next to each other
- Throttle the update of `project.pushes_since_gc` to 1 minute.
- Allow expanding and collapsing files in diff view (!4990)
- Collapse large diffs by default (!4990)
......
lib/gitlab/diff/parallel_diff.rb
......@@ -8,95 +8,78 @@ module Gitlab
end
def parallelize
lines = []
skip_next = false
i = 0
free_right_index = nil
lines = []
highlighted_diff_lines = diff_file.highlighted_diff_lines
highlighted_diff_lines.each do |line|
full_line = line.text
type = line.type
line_code = diff_file.line_code(line)
line_new = line.new_pos
line_old = line.old_pos
position = diff_file.position(line)
next_line = diff_file.next_line(line.index)
if next_line
next_line = highlighted_diff_lines[next_line.index]
full_next_line = next_line.text
next_line_code = diff_file.line_code(next_line)
next_type = next_line.type
next_position = diff_file.position(next_line)
end
case type
case line.type
when 'match', nil
# line in the right panel is the same as in the left one
lines << {
left: {
type: type,
number: line_old,
text: full_line,
type: line.type,
number: line.old_pos,
text: line.text,
line_code: line_code,
position: position
},
right: {
type: type,
number: line_new,
text: full_line,
type: line.type,
number: line.new_pos,
text: line.text,
line_code: line_code,
position: position
}
}
free_right_index = nil
i += 1
when 'old'
case next_type
when 'new'
# Left side has text removed, right side has text added
lines << {
left: {
type: type,
number: line_old,
text: full_line,
line_code: line_code,
position: position
},
right: {
type: next_type,
number: line_new,
text: full_next_line,
line_code: next_line_code,
position: next_position,
}
}
skip_next = true
when 'old', 'nonewline', nil
# Left side has text removed, right side doesn't have any change
# No next line code, no new line number, no new line text
lines << {
left: {
type: type,
number: line_old,
text: full_line,
line_code: line_code,
position: position
},
right: {
type: next_type,
number: nil,
text: "",
line_code: nil,
position: nil
}
lines << {
left: {
type: line.type,
number: line.old_pos,
text: line.text,
line_code: line_code,
position: position
},
right: {
type: nil,
number: nil,
text: "",
line_code: line_code,
position: position
}
end
}
# Once we come upon a new line it can be put on the right of this old line
free_right_index ||= i
i += 1
when 'new'
if skip_next
# Change has been already included in previous line so no need to do it again
skip_next = false
next
data = {
type: line.type,
number: line.new_pos,
text: line.text,
line_code: line_code,
position: position
}
if free_right_index
# If an old line came before this without a line on the right, this
# line can be put to the right of it.
lines[free_right_index][:right] = data
# If there are any other old lines on the left that don't yet have
# a new counterpart on the right, update the free_right_index
next_free_right_index = free_right_index + 1
free_right_index = next_free_right_index < i ? next_free_right_index : nil
else
# Change is only on the right side, left side has no change
lines << {
left: {
type: nil,
......@@ -105,17 +88,15 @@ module Gitlab
line_code: line_code,
position: position
},
right: {
type: type,
number: line_new,
text: full_line,
line_code: line_code,
position: position
}
right: data
}
free_right_index = nil
i += 1
end
end
end
lines
end
end
......
spec/fixtures/parallel_diff_result.yml
......@@ -253,27 +253,6 @@
:start_sha: 6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9
:head_sha: 570e7b2abdd848b95f2f578043fc23bd6f6fd24d
:right:
:type: old
:number:
:text: ''
:line_code:
:position:
- :left:
:type: old
:number: 14
:text: |
-<span id="LC14" class="line"> <span class="n">options</span> <span class="o">=</span> <span class="p">{</span> <span class="ss">chdir: </span><span class="n">path</span> <span class="p">}</span></span>
:line_code: 2f6fcd96b88b36ce98c38da085c795a27d92a3dd_14_13
:position: !ruby/object:Gitlab::Diff::Position
attributes:
:old_path: files/ruby/popen.rb
:new_path: files/ruby/popen.rb
:old_line: 14
:new_line:
:base_sha: 6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9
:start_sha: 6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9
:head_sha: 570e7b2abdd848b95f2f578043fc23bd6f6fd24d
:right:
:type: new
:number: 13
:text: |
......@@ -289,16 +268,17 @@
:start_sha: 6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9
:head_sha: 570e7b2abdd848b95f2f578043fc23bd6f6fd24d
- :left:
:type:
:number:
:text: ''
:line_code: 2f6fcd96b88b36ce98c38da085c795a27d92a3dd_15_14
:type: old
:number: 14
:text: |
-<span id="LC14" class="line"> <span class="n">options</span> <span class="o">=</span> <span class="p">{</span> <span class="ss">chdir: </span><span class="n">path</span> <span class="p">}</span></span>
:line_code: 2f6fcd96b88b36ce98c38da085c795a27d92a3dd_14_13
:position: !ruby/object:Gitlab::Diff::Position
attributes:
:old_path: files/ruby/popen.rb
:new_path: files/ruby/popen.rb
:old_line:
:new_line: 14
:old_line: 14
:new_line:
:base_sha: 6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9
:start_sha: 6f6d7e7ed97bb5f0054f2b1df789b39ca89b6ff9
:head_sha: 570e7b2abdd848b95f2f578043fc23bd6f6fd24d
......
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